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<html><head><title>dlib C++ Library - hog.h</title></head><body bgcolor='white'><pre> |
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<font color='#009900'>// Copyright (C) 2010 Davis E. King ([email protected]) |
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</font><font color='#009900'>// License: Boost Software License See LICENSE.txt for the full license. |
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</font><font color='#0000FF'>#ifndef</font> DLIB_HoG_Hh_ |
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<font color='#0000FF'>#define</font> DLIB_HoG_Hh_ |
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<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='hog_abstract.h.html'>hog_abstract.h</a>" |
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<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='../algs.h.html'>../algs.h</a>" |
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<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='../matrix.h.html'>../matrix.h</a>" |
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<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='../array2d.h.html'>../array2d.h</a>" |
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<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='../geometry.h.html'>../geometry.h</a>" |
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<font color='#0000FF'>#include</font> <font color='#5555FF'><</font>cmath<font color='#5555FF'>></font> |
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<font color='#0000FF'>namespace</font> dlib |
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<b>{</b> |
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<font color='#0000FF'>enum</font> |
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<b>{</b> |
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hog_no_interpolation, |
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hog_angle_interpolation, |
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hog_full_interpolation, |
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hog_signed_gradient, |
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hog_unsigned_gradient |
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<b>}</b>; |
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<font color='#0000FF'>template</font> <font color='#5555FF'><</font> |
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<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> cell_size_, |
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<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> block_size_, |
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<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> cell_stride_, |
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<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> num_orientation_bins_, |
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<font color='#0000FF'><u>int</u></font> gradient_type_, |
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<font color='#0000FF'><u>int</u></font> interpolation_type_ |
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<font color='#5555FF'>></font> |
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<font color='#0000FF'>class</font> <b><a name='hog_image'></a>hog_image</b> : noncopyable |
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<b>{</b> |
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<b><a name='COMPILE_TIME_ASSERT'></a>COMPILE_TIME_ASSERT</b><font face='Lucida Console'>(</font>cell_size_ <font color='#5555FF'>></font> <font color='#979000'>1</font><font face='Lucida Console'>)</font>; |
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<b><a name='COMPILE_TIME_ASSERT'></a>COMPILE_TIME_ASSERT</b><font face='Lucida Console'>(</font>block_size_ <font color='#5555FF'>></font> <font color='#979000'>0</font><font face='Lucida Console'>)</font>; |
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<b><a name='COMPILE_TIME_ASSERT'></a>COMPILE_TIME_ASSERT</b><font face='Lucida Console'>(</font>cell_stride_ <font color='#5555FF'>></font> <font color='#979000'>0</font><font face='Lucida Console'>)</font>; |
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<b><a name='COMPILE_TIME_ASSERT'></a>COMPILE_TIME_ASSERT</b><font face='Lucida Console'>(</font>num_orientation_bins_ <font color='#5555FF'>></font> <font color='#979000'>0</font><font face='Lucida Console'>)</font>; |
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<b><a name='COMPILE_TIME_ASSERT'></a>COMPILE_TIME_ASSERT</b><font face='Lucida Console'>(</font> gradient_type_ <font color='#5555FF'>=</font><font color='#5555FF'>=</font> hog_signed_gradient <font color='#5555FF'>|</font><font color='#5555FF'>|</font> |
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gradient_type_ <font color='#5555FF'>=</font><font color='#5555FF'>=</font> hog_unsigned_gradient<font face='Lucida Console'>)</font>; |
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<b><a name='COMPILE_TIME_ASSERT'></a>COMPILE_TIME_ASSERT</b><font face='Lucida Console'>(</font> interpolation_type_ <font color='#5555FF'>=</font><font color='#5555FF'>=</font> hog_no_interpolation <font color='#5555FF'>|</font><font color='#5555FF'>|</font> |
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interpolation_type_ <font color='#5555FF'>=</font><font color='#5555FF'>=</font> hog_angle_interpolation <font color='#5555FF'>|</font><font color='#5555FF'>|</font> |
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interpolation_type_ <font color='#5555FF'>=</font><font color='#5555FF'>=</font> hog_full_interpolation <font face='Lucida Console'>)</font>; |
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<font color='#0000FF'>public</font>: |
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<font color='#0000FF'>const</font> <font color='#0000FF'>static</font> <font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> cell_size <font color='#5555FF'>=</font> cell_size_; |
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<font color='#0000FF'>const</font> <font color='#0000FF'>static</font> <font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> block_size <font color='#5555FF'>=</font> block_size_; |
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<font color='#0000FF'>const</font> <font color='#0000FF'>static</font> <font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> cell_stride <font color='#5555FF'>=</font> cell_stride_; |
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<font color='#0000FF'>const</font> <font color='#0000FF'>static</font> <font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> num_orientation_bins <font color='#5555FF'>=</font> num_orientation_bins_; |
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<font color='#0000FF'>const</font> <font color='#0000FF'>static</font> <font color='#0000FF'><u>int</u></font> gradient_type <font color='#5555FF'>=</font> gradient_type_; |
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<font color='#0000FF'>const</font> <font color='#0000FF'>static</font> <font color='#0000FF'><u>int</u></font> interpolation_type <font color='#5555FF'>=</font> interpolation_type_; |
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<font color='#0000FF'>const</font> <font color='#0000FF'>static</font> <font color='#0000FF'><u>long</u></font> min_size <font color='#5555FF'>=</font> cell_size<font color='#5555FF'>*</font>block_size<font color='#5555FF'>+</font><font color='#979000'>2</font>; |
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<font color='#0000FF'>typedef</font> matrix<font color='#5555FF'><</font><font color='#0000FF'><u>double</u></font>, block_size<font color='#5555FF'>*</font>block_size<font color='#5555FF'>*</font>num_orientation_bins, <font color='#979000'>1</font><font color='#5555FF'>></font> descriptor_type; |
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<b><a name='hog_image'></a>hog_image</b> <font face='Lucida Console'>(</font> |
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<font face='Lucida Console'>)</font> : |
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num_block_rows<font face='Lucida Console'>(</font><font color='#979000'>0</font><font face='Lucida Console'>)</font>, |
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num_block_cols<font face='Lucida Console'>(</font><font color='#979000'>0</font><font face='Lucida Console'>)</font> |
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<b>{</b><b>}</b> |
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<font color='#0000FF'><u>void</u></font> <b><a name='clear'></a>clear</b> <font face='Lucida Console'>(</font> |
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<font face='Lucida Console'>)</font> |
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<b>{</b> |
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num_block_rows <font color='#5555FF'>=</font> <font color='#979000'>0</font>; |
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num_block_cols <font color='#5555FF'>=</font> <font color='#979000'>0</font>; |
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hist_cells.<font color='#BB00BB'>clear</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
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<b>}</b> |
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<font color='#0000FF'><u>void</u></font> <b><a name='copy_configuration'></a>copy_configuration</b> <font face='Lucida Console'>(</font> |
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<font color='#0000FF'>const</font> hog_image<font color='#5555FF'>&</font> |
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<font face='Lucida Console'>)</font><b>{</b><b>}</b> |
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<font color='#0000FF'>template</font> <font color='#5555FF'><</font> |
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<font color='#0000FF'>typename</font> image_type |
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<font color='#5555FF'>></font> |
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<font color='#0000FF'>inline</font> <font color='#0000FF'><u>void</u></font> <b><a name='load'></a>load</b> <font face='Lucida Console'>(</font> |
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<font color='#0000FF'>const</font> image_type<font color='#5555FF'>&</font> img |
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<font face='Lucida Console'>)</font> |
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<b>{</b> |
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<font color='#BB00BB'>COMPILE_TIME_ASSERT</font><font face='Lucida Console'>(</font> pixel_traits<font color='#5555FF'><</font><font color='#0000FF'>typename</font> image_traits<font color='#5555FF'><</font>image_type<font color='#5555FF'>></font>::pixel_type<font color='#5555FF'>></font>::has_alpha <font color='#5555FF'>=</font><font color='#5555FF'>=</font> <font color='#979000'>false</font> <font face='Lucida Console'>)</font>; |
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<font color='#BB00BB'>load_impl</font><font face='Lucida Console'>(</font><font color='#BB00BB'>mat</font><font face='Lucida Console'>(</font>img<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; |
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<b>}</b> |
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<font color='#0000FF'>inline</font> <font color='#0000FF'><u>void</u></font> <b><a name='unload'></a>unload</b><font face='Lucida Console'>(</font> |
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<font face='Lucida Console'>)</font> <b>{</b> <font color='#BB00BB'>clear</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; <b>}</b> |
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<font color='#0000FF'>inline</font> <font color='#0000FF'><u>size_t</u></font> <b><a name='size'></a>size</b> <font face='Lucida Console'>(</font> |
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<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> <b>{</b> <font color='#0000FF'>return</font> <font color='#0000FF'>static_cast</font><font color='#5555FF'><</font><font color='#0000FF'><u>size_t</u></font><font color='#5555FF'>></font><font face='Lucida Console'>(</font><font color='#BB00BB'>nr</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>*</font><font color='#BB00BB'>nc</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; <b>}</b> |
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<font color='#0000FF'>inline</font> <font color='#0000FF'><u>long</u></font> <b><a name='nr'></a>nr</b> <font face='Lucida Console'>(</font> |
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<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> <b>{</b> <font color='#0000FF'>return</font> num_block_rows; <b>}</b> |
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<font color='#0000FF'>inline</font> <font color='#0000FF'><u>long</u></font> <b><a name='nc'></a>nc</b> <font face='Lucida Console'>(</font> |
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<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> <b>{</b> <font color='#0000FF'>return</font> num_block_cols; <b>}</b> |
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<font color='#0000FF'><u>long</u></font> <b><a name='get_num_dimensions'></a>get_num_dimensions</b> <font face='Lucida Console'>(</font> |
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<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> |
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<b>{</b> |
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<font color='#0000FF'>return</font> block_size<font color='#5555FF'>*</font>block_size<font color='#5555FF'>*</font>num_orientation_bins; |
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<b>}</b> |
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<font color='#0000FF'>inline</font> <font color='#0000FF'>const</font> descriptor_type<font color='#5555FF'>&</font> <b><a name='operator'></a>operator</b><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font face='Lucida Console'>(</font> |
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<font color='#0000FF'><u>long</u></font> row, |
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<font color='#0000FF'><u>long</u></font> col |
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<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> |
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<b>{</b> |
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<font color='#009900'>// make sure requires clause is not broken |
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</font> <font color='#BB00BB'>DLIB_ASSERT</font><font face='Lucida Console'>(</font> <font color='#979000'>0</font> <font color='#5555FF'><</font><font color='#5555FF'>=</font> row <font color='#5555FF'>&</font><font color='#5555FF'>&</font> row <font color='#5555FF'><</font> <font color='#BB00BB'>nr</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'>&</font><font color='#5555FF'>&</font> |
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<font color='#979000'>0</font> <font color='#5555FF'><</font><font color='#5555FF'>=</font> col <font color='#5555FF'>&</font><font color='#5555FF'>&</font> col <font color='#5555FF'><</font> <font color='#BB00BB'>nc</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>, |
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"<font color='#CC0000'>\t descriptor_type hog_image::operator()()</font>" |
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<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\t invalid row or col argument</font>" |
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<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\t row: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> row |
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<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\t col: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> col |
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<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\t nr(): </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> <font color='#BB00BB'>nr</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> |
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<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\t nc(): </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> <font color='#BB00BB'>nc</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> |
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<font color='#5555FF'><</font><font color='#5555FF'><</font> "<font color='#CC0000'>\n\t this: </font>" <font color='#5555FF'><</font><font color='#5555FF'><</font> <font color='#0000FF'>this</font> |
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<font face='Lucida Console'>)</font>; |
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row <font color='#5555FF'>*</font><font color='#5555FF'>=</font> cell_stride; |
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col <font color='#5555FF'>*</font><font color='#5555FF'>=</font> cell_stride; |
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<font color='#5555FF'>+</font><font color='#5555FF'>+</font>row; |
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<font color='#5555FF'>+</font><font color='#5555FF'>+</font>col; |
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<font color='#0000FF'><u>int</u></font> feat <font color='#5555FF'>=</font> <font color='#979000'>0</font>; |
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<font color='#0000FF'>for</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> r <font color='#5555FF'>=</font> <font color='#979000'>0</font>; r <font color='#5555FF'><</font> block_size; <font color='#5555FF'>+</font><font color='#5555FF'>+</font>r<font face='Lucida Console'>)</font> |
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<b>{</b> |
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<font color='#0000FF'>for</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> c <font color='#5555FF'>=</font> <font color='#979000'>0</font>; c <font color='#5555FF'><</font> block_size; <font color='#5555FF'>+</font><font color='#5555FF'>+</font>c<font face='Lucida Console'>)</font> |
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<b>{</b> |
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<font color='#0000FF'>for</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> i <font color='#5555FF'>=</font> <font color='#979000'>0</font>; i <font color='#5555FF'><</font> num_orientation_bins; <font color='#5555FF'>+</font><font color='#5555FF'>+</font>i<font face='Lucida Console'>)</font> |
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<b>{</b> |
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<font color='#BB00BB'>des</font><font face='Lucida Console'>(</font>feat<font color='#5555FF'>+</font><font color='#5555FF'>+</font><font face='Lucida Console'>)</font> <font color='#5555FF'>=</font> hist_cells[row<font color='#5555FF'>+</font>r][col<font color='#5555FF'>+</font>c].values[i]; |
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<b>}</b> |
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<b>}</b> |
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<b>}</b> |
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des <font color='#5555FF'>/</font><font color='#5555FF'>=</font> <font color='#BB00BB'>length</font><font face='Lucida Console'>(</font>des<font face='Lucida Console'>)</font> <font color='#5555FF'>+</font> <font color='#979000'>1e</font><font color='#5555FF'>-</font><font color='#979000'>8</font>; |
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<font color='#0000FF'>return</font> des; |
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<b>}</b> |
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<font color='#0000FF'>const</font> rectangle <b><a name='get_block_rect'></a>get_block_rect</b> <font face='Lucida Console'>(</font> |
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<font color='#0000FF'><u>long</u></font> row, |
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<font color='#0000FF'><u>long</u></font> col |
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<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> |
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<b>{</b> |
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row <font color='#5555FF'>*</font><font color='#5555FF'>=</font> cell_stride; |
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col <font color='#5555FF'>*</font><font color='#5555FF'>=</font> cell_stride; |
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row <font color='#5555FF'>*</font><font color='#5555FF'>=</font> cell_size; |
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col <font color='#5555FF'>*</font><font color='#5555FF'>=</font> cell_size; |
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<font color='#009900'>// do this to account for the 1 pixel padding we use all around the image |
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</font> <font color='#5555FF'>+</font><font color='#5555FF'>+</font>row; |
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<font color='#5555FF'>+</font><font color='#5555FF'>+</font>col; |
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<font color='#0000FF'>return</font> <font color='#BB00BB'>rectangle</font><font face='Lucida Console'>(</font>col, row, col<font color='#5555FF'>+</font>cell_size<font color='#5555FF'>*</font>block_size<font color='#5555FF'>-</font><font color='#979000'>1</font>, row<font color='#5555FF'>+</font>cell_size<font color='#5555FF'>*</font>block_size<font color='#5555FF'>-</font><font color='#979000'>1</font><font face='Lucida Console'>)</font>; |
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<b>}</b> |
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<font color='#0000FF'>const</font> point <b><a name='image_to_feat_space'></a>image_to_feat_space</b> <font face='Lucida Console'>(</font> |
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<font color='#0000FF'>const</font> point<font color='#5555FF'>&</font> p |
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<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> |
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<b>{</b> |
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<font color='#0000FF'>const</font> <font color='#0000FF'><u>long</u></font> half_block <font color='#5555FF'>=</font> block_size<font color='#5555FF'>/</font><font color='#979000'>2</font>; |
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<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font><font face='Lucida Console'>(</font>block_size<font color='#5555FF'>%</font><font color='#979000'>2</font><font face='Lucida Console'>)</font> <font color='#5555FF'>=</font><font color='#5555FF'>=</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font> |
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<b>{</b> |
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<font color='#0000FF'>return</font> <font color='#BB00BB'>point</font><font face='Lucida Console'>(</font><font face='Lucida Console'>(</font><font face='Lucida Console'>(</font>p.<font color='#BB00BB'>x</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font><font face='Lucida Console'>)</font><font color='#5555FF'>/</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font><font face='Lucida Console'>)</font>cell_size <font color='#5555FF'>-</font> half_block<font face='Lucida Console'>)</font><font color='#5555FF'>/</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font><font face='Lucida Console'>)</font>cell_stride, |
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<font face='Lucida Console'>(</font><font face='Lucida Console'>(</font>p.<font color='#BB00BB'>y</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font><font face='Lucida Console'>)</font><font color='#5555FF'>/</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font><font face='Lucida Console'>)</font>cell_size <font color='#5555FF'>-</font> half_block<font face='Lucida Console'>)</font><font color='#5555FF'>/</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font><font face='Lucida Console'>)</font>cell_stride<font face='Lucida Console'>)</font>; |
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<b>}</b> |
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<font color='#0000FF'>else</font> |
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<b>{</b> |
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<font color='#0000FF'>return</font> <font color='#BB00BB'>point</font><font face='Lucida Console'>(</font><font face='Lucida Console'>(</font><font face='Lucida Console'>(</font>p.<font color='#BB00BB'>x</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font><font color='#5555FF'>-</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font><font face='Lucida Console'>)</font>cell_size<font color='#5555FF'>/</font><font color='#979000'>2</font><font face='Lucida Console'>)</font><font color='#5555FF'>/</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font><font face='Lucida Console'>)</font>cell_size <font color='#5555FF'>-</font> half_block<font face='Lucida Console'>)</font><font color='#5555FF'>/</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font><font face='Lucida Console'>)</font>cell_stride, |
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<font face='Lucida Console'>(</font><font face='Lucida Console'>(</font>p.<font color='#BB00BB'>y</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font><font color='#5555FF'>-</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font><font face='Lucida Console'>)</font>cell_size<font color='#5555FF'>/</font><font color='#979000'>2</font><font face='Lucida Console'>)</font><font color='#5555FF'>/</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font><font face='Lucida Console'>)</font>cell_size <font color='#5555FF'>-</font> half_block<font face='Lucida Console'>)</font><font color='#5555FF'>/</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font><font face='Lucida Console'>)</font>cell_stride<font face='Lucida Console'>)</font>; |
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<b>}</b> |
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<b>}</b> |
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|
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<font color='#0000FF'>const</font> rectangle <b><a name='image_to_feat_space'></a>image_to_feat_space</b> <font face='Lucida Console'>(</font> |
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<font color='#0000FF'>const</font> rectangle<font color='#5555FF'>&</font> rect |
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<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> |
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<b>{</b> |
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<font color='#0000FF'>return</font> <font color='#BB00BB'>rectangle</font><font face='Lucida Console'>(</font><font color='#BB00BB'>image_to_feat_space</font><font face='Lucida Console'>(</font>rect.<font color='#BB00BB'>tl_corner</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>, <font color='#BB00BB'>image_to_feat_space</font><font face='Lucida Console'>(</font>rect.<font color='#BB00BB'>br_corner</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; |
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<b>}</b> |
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|
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<font color='#0000FF'>const</font> point <b><a name='feat_to_image_space'></a>feat_to_image_space</b> <font face='Lucida Console'>(</font> |
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<font color='#0000FF'>const</font> point<font color='#5555FF'>&</font> p |
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<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> |
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<b>{</b> |
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<font color='#0000FF'>const</font> <font color='#0000FF'><u>long</u></font> half_block <font color='#5555FF'>=</font> block_size<font color='#5555FF'>/</font><font color='#979000'>2</font>; |
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<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font><font face='Lucida Console'>(</font>block_size<font color='#5555FF'>%</font><font color='#979000'>2</font><font face='Lucida Console'>)</font> <font color='#5555FF'>=</font><font color='#5555FF'>=</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font> |
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<b>{</b> |
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<font color='#0000FF'>return</font> <font color='#BB00BB'>point</font><font face='Lucida Console'>(</font><font face='Lucida Console'>(</font>p.<font color='#BB00BB'>x</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>*</font>cell_stride <font color='#5555FF'>+</font> half_block<font face='Lucida Console'>)</font><font color='#5555FF'>*</font>cell_size <font color='#5555FF'>+</font> <font color='#979000'>1</font>, |
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<font face='Lucida Console'>(</font>p.<font color='#BB00BB'>y</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>*</font>cell_stride <font color='#5555FF'>+</font> half_block<font face='Lucida Console'>)</font><font color='#5555FF'>*</font>cell_size <font color='#5555FF'>+</font> <font color='#979000'>1</font><font face='Lucida Console'>)</font>; |
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<b>}</b> |
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<font color='#0000FF'>else</font> |
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<b>{</b> |
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<font color='#0000FF'>return</font> <font color='#BB00BB'>point</font><font face='Lucida Console'>(</font><font face='Lucida Console'>(</font>p.<font color='#BB00BB'>x</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>*</font>cell_stride <font color='#5555FF'>+</font> half_block<font face='Lucida Console'>)</font><font color='#5555FF'>*</font>cell_size <font color='#5555FF'>+</font> <font color='#979000'>1</font> <font color='#5555FF'>+</font> cell_size<font color='#5555FF'>/</font><font color='#979000'>2</font>, |
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<font face='Lucida Console'>(</font>p.<font color='#BB00BB'>y</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>*</font>cell_stride <font color='#5555FF'>+</font> half_block<font face='Lucida Console'>)</font><font color='#5555FF'>*</font>cell_size <font color='#5555FF'>+</font> <font color='#979000'>1</font> <font color='#5555FF'>+</font> cell_size<font color='#5555FF'>/</font><font color='#979000'>2</font><font face='Lucida Console'>)</font>; |
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<b>}</b> |
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<b>}</b> |
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<font color='#0000FF'>const</font> rectangle <b><a name='feat_to_image_space'></a>feat_to_image_space</b> <font face='Lucida Console'>(</font> |
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<font color='#0000FF'>const</font> rectangle<font color='#5555FF'>&</font> rect |
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<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> |
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<b>{</b> |
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<font color='#0000FF'>return</font> <font color='#BB00BB'>rectangle</font><font face='Lucida Console'>(</font><font color='#BB00BB'>feat_to_image_space</font><font face='Lucida Console'>(</font>rect.<font color='#BB00BB'>tl_corner</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>, <font color='#BB00BB'>feat_to_image_space</font><font face='Lucida Console'>(</font>rect.<font color='#BB00BB'>br_corner</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; |
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<b>}</b> |
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<font color='#009900'>// these _PRIVATE_ functions are only here as a workaround for a bug in visual studio 2005. |
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</font> <font color='#0000FF'><u>void</u></font> <b><a name='_PRIVATE_serialize'></a>_PRIVATE_serialize</b> <font face='Lucida Console'>(</font>std::ostream<font color='#5555FF'>&</font> out<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> |
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<b>{</b> |
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<font color='#009900'>// serialize hist_cells |
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</font> <font color='#BB00BB'>serialize</font><font face='Lucida Console'>(</font>hist_cells.<font color='#BB00BB'>nc</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,out<font face='Lucida Console'>)</font>; |
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<font color='#BB00BB'>serialize</font><font face='Lucida Console'>(</font>hist_cells.<font color='#BB00BB'>nr</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>,out<font face='Lucida Console'>)</font>; |
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hist_cells.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
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<font color='#0000FF'>while</font> <font face='Lucida Console'>(</font>hist_cells.<font color='#BB00BB'>move_next</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font> |
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<font color='#BB00BB'>serialize</font><font face='Lucida Console'>(</font>hist_cells.<font color='#BB00BB'>element</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>.values,out<font face='Lucida Console'>)</font>; |
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hist_cells.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
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|
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|
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<font color='#BB00BB'>serialize</font><font face='Lucida Console'>(</font>num_block_rows, out<font face='Lucida Console'>)</font>; |
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<font color='#BB00BB'>serialize</font><font face='Lucida Console'>(</font>num_block_cols, out<font face='Lucida Console'>)</font>; |
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<b>}</b> |
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|
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<font color='#0000FF'><u>void</u></font> <b><a name='_PRIVATE_deserialize'></a>_PRIVATE_deserialize</b> <font face='Lucida Console'>(</font>std::istream<font color='#5555FF'>&</font> in <font face='Lucida Console'>)</font> |
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<b>{</b> |
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<font color='#009900'>// deserialize item.hist_cells |
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</font> <font color='#0000FF'><u>long</u></font> nc, nr; |
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<font color='#BB00BB'>deserialize</font><font face='Lucida Console'>(</font>nc,in<font face='Lucida Console'>)</font>; |
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<font color='#BB00BB'>deserialize</font><font face='Lucida Console'>(</font>nr,in<font face='Lucida Console'>)</font>; |
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hist_cells.<font color='#BB00BB'>set_size</font><font face='Lucida Console'>(</font>nr,nc<font face='Lucida Console'>)</font>; |
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<font color='#0000FF'>while</font> <font face='Lucida Console'>(</font>hist_cells.<font color='#BB00BB'>move_next</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font> |
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<font color='#BB00BB'>deserialize</font><font face='Lucida Console'>(</font>hist_cells.<font color='#BB00BB'>element</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>.values,in<font face='Lucida Console'>)</font>; |
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hist_cells.<font color='#BB00BB'>reset</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
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|
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|
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<font color='#BB00BB'>deserialize</font><font face='Lucida Console'>(</font>num_block_rows, in<font face='Lucida Console'>)</font>; |
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<font color='#BB00BB'>deserialize</font><font face='Lucida Console'>(</font>num_block_cols, in<font face='Lucida Console'>)</font>; |
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<b>}</b> |
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|
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<font color='#0000FF'>private</font>: |
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|
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<font color='#0000FF'>template</font> <font color='#5555FF'><</font> |
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<font color='#0000FF'>typename</font> image_type |
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<font color='#5555FF'>></font> |
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<font color='#0000FF'><u>void</u></font> <b><a name='load_impl'></a>load_impl</b> <font face='Lucida Console'>(</font> |
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<font color='#0000FF'>const</font> image_type<font color='#5555FF'>&</font> img |
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<font face='Lucida Console'>)</font> |
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<b>{</b> |
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<font color='#009900'>// Note that we keep a border of 1 pixel all around the image so that we don't have |
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</font> <font color='#009900'>// to worry about running outside the image when computing the horizontal and vertical |
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</font> <font color='#009900'>// gradients. |
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</font> |
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<font color='#009900'>// Note also that we have a border of unused cells around the hist_cells array so that we |
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</font> <font color='#009900'>// don't have to worry about edge effects when doing the interpolation in the main loop |
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</font> <font color='#009900'>// below. |
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</font> |
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|
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<font color='#009900'>// check if the window is just too small |
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</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>img.<font color='#BB00BB'>nr</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'><</font> min_size <font color='#5555FF'>|</font><font color='#5555FF'>|</font> img.<font color='#BB00BB'>nc</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'><</font> min_size<font face='Lucida Console'>)</font> |
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<b>{</b> |
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<font color='#009900'>// If the image is smaller than our windows then there aren't any descriptors at all! |
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</font> num_block_rows <font color='#5555FF'>=</font> <font color='#979000'>0</font>; |
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num_block_cols <font color='#5555FF'>=</font> <font color='#979000'>0</font>; |
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<font color='#0000FF'>return</font>; |
|
<b>}</b> |
|
|
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<font color='#009900'>// Make sure we have the right number of cell histograms and that they are |
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</font> <font color='#009900'>// all set to zero. |
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</font> hist_cells.<font color='#BB00BB'>set_size</font><font face='Lucida Console'>(</font><font face='Lucida Console'>(</font>img.<font color='#BB00BB'>nr</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>2</font><font face='Lucida Console'>)</font><font color='#5555FF'>/</font>cell_size<font color='#5555FF'>+</font><font color='#979000'>2</font>, <font face='Lucida Console'>(</font>img.<font color='#BB00BB'>nc</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>2</font><font face='Lucida Console'>)</font><font color='#5555FF'>/</font>cell_size<font color='#5555FF'>+</font><font color='#979000'>2</font><font face='Lucida Console'>)</font>; |
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<font color='#0000FF'>for</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font> r <font color='#5555FF'>=</font> <font color='#979000'>0</font>; r <font color='#5555FF'><</font> hist_cells.<font color='#BB00BB'>nr</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; <font color='#5555FF'>+</font><font color='#5555FF'>+</font>r<font face='Lucida Console'>)</font> |
|
<b>{</b> |
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<font color='#0000FF'>for</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font> c <font color='#5555FF'>=</font> <font color='#979000'>0</font>; c <font color='#5555FF'><</font> hist_cells.<font color='#BB00BB'>nc</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; <font color='#5555FF'>+</font><font color='#5555FF'>+</font>c<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
hist_cells[r][c].<font color='#BB00BB'>zero</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
<b>}</b> |
|
|
|
|
|
<font color='#009900'>// loop over all the histogram cells and fill them out |
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</font> <font color='#0000FF'>for</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font> rh <font color='#5555FF'>=</font> <font color='#979000'>1</font>; rh <font color='#5555FF'><</font> hist_cells.<font color='#BB00BB'>nr</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font>; <font color='#5555FF'>+</font><font color='#5555FF'>+</font>rh<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
<font color='#0000FF'>for</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font> ch <font color='#5555FF'>=</font> <font color='#979000'>1</font>; ch <font color='#5555FF'><</font> hist_cells.<font color='#BB00BB'>nc</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>1</font>; <font color='#5555FF'>+</font><font color='#5555FF'>+</font>ch<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
<font color='#009900'>// Fill out the current histogram cell. |
|
</font> <font color='#009900'>// First, figure out the row and column offsets into the image for the current histogram cell. |
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</font> <font color='#0000FF'>const</font> <font color='#0000FF'><u>long</u></font> roff <font color='#5555FF'>=</font> <font face='Lucida Console'>(</font>rh<font color='#5555FF'>-</font><font color='#979000'>1</font><font face='Lucida Console'>)</font><font color='#5555FF'>*</font>cell_size <font color='#5555FF'>+</font> <font color='#979000'>1</font>; |
|
<font color='#0000FF'>const</font> <font color='#0000FF'><u>long</u></font> coff <font color='#5555FF'>=</font> <font face='Lucida Console'>(</font>ch<font color='#5555FF'>-</font><font color='#979000'>1</font><font face='Lucida Console'>)</font><font color='#5555FF'>*</font>cell_size <font color='#5555FF'>+</font> <font color='#979000'>1</font>; |
|
|
|
<font color='#0000FF'>for</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font> r <font color='#5555FF'>=</font> <font color='#979000'>0</font>; r <font color='#5555FF'><</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font><font face='Lucida Console'>)</font>cell_size; <font color='#5555FF'>+</font><font color='#5555FF'>+</font>r<font face='Lucida Console'>)</font> |
|
<b>{</b> |
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<font color='#0000FF'>for</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font> c <font color='#5555FF'>=</font> <font color='#979000'>0</font>; c <font color='#5555FF'><</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font><font face='Lucida Console'>)</font>cell_size; <font color='#5555FF'>+</font><font color='#5555FF'>+</font>c<font face='Lucida Console'>)</font> |
|
<b>{</b> |
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<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> left; |
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<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> right; |
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<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> top; |
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<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> bottom; |
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|
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<font color='#BB00BB'>assign_pixel</font><font face='Lucida Console'>(</font>left, <font color='#BB00BB'>img</font><font face='Lucida Console'>(</font>r<font color='#5555FF'>+</font>roff,c<font color='#5555FF'>+</font>coff<font color='#5555FF'>-</font><font color='#979000'>1</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; |
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<font color='#BB00BB'>assign_pixel</font><font face='Lucida Console'>(</font>right, <font color='#BB00BB'>img</font><font face='Lucida Console'>(</font>r<font color='#5555FF'>+</font>roff,c<font color='#5555FF'>+</font>coff<font color='#5555FF'>+</font><font color='#979000'>1</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; |
|
<font color='#BB00BB'>assign_pixel</font><font face='Lucida Console'>(</font>top, <font color='#BB00BB'>img</font><font face='Lucida Console'>(</font>r<font color='#5555FF'>+</font>roff<font color='#5555FF'>-</font><font color='#979000'>1</font>,c<font color='#5555FF'>+</font>coff<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; |
|
<font color='#BB00BB'>assign_pixel</font><font face='Lucida Console'>(</font>bottom, <font color='#BB00BB'>img</font><font face='Lucida Console'>(</font>r<font color='#5555FF'>+</font>roff<font color='#5555FF'>+</font><font color='#979000'>1</font>,c<font color='#5555FF'>+</font>coff<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; |
|
|
|
<font color='#0000FF'><u>double</u></font> grad_x <font color='#5555FF'>=</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font><font face='Lucida Console'>)</font>right<font color='#5555FF'>-</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font><font face='Lucida Console'>)</font>left; |
|
<font color='#0000FF'><u>double</u></font> grad_y <font color='#5555FF'>=</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font><font face='Lucida Console'>)</font>top<font color='#5555FF'>-</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font><font face='Lucida Console'>)</font>bottom; |
|
|
|
<font color='#009900'>// obtain the angle of the gradient. Make sure it is scaled between 0 and 1. |
|
</font> <font color='#0000FF'><u>double</u></font> angle <font color='#5555FF'>=</font> std::<font color='#BB00BB'>max</font><font face='Lucida Console'>(</font><font color='#979000'>0.0</font>, std::<font color='#BB00BB'>atan2</font><font face='Lucida Console'>(</font>grad_y, grad_x<font face='Lucida Console'>)</font><font color='#5555FF'>/</font>pi <font color='#5555FF'>+</font> <font color='#979000'>1</font><font face='Lucida Console'>)</font><font color='#5555FF'>/</font><font color='#979000'>2</font>; |
|
|
|
|
|
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>gradient_type <font color='#5555FF'>=</font><font color='#5555FF'>=</font> hog_unsigned_gradient<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
angle <font color='#5555FF'>*</font><font color='#5555FF'>=</font> <font color='#979000'>2</font>; |
|
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>angle <font color='#5555FF'>></font><font color='#5555FF'>=</font> <font color='#979000'>1</font><font face='Lucida Console'>)</font> |
|
angle <font color='#5555FF'>-</font><font color='#5555FF'>=</font> <font color='#979000'>1</font>; |
|
<b>}</b> |
|
|
|
|
|
<font color='#009900'>// now scale angle to between 0 and num_orientation_bins |
|
</font> angle <font color='#5555FF'>*</font><font color='#5555FF'>=</font> num_orientation_bins; |
|
|
|
|
|
<font color='#0000FF'>const</font> <font color='#0000FF'><u>double</u></font> strength <font color='#5555FF'>=</font> std::<font color='#BB00BB'>sqrt</font><font face='Lucida Console'>(</font>grad_y<font color='#5555FF'>*</font>grad_y <font color='#5555FF'>+</font> grad_x<font color='#5555FF'>*</font>grad_x<font face='Lucida Console'>)</font>; |
|
|
|
|
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<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>interpolation_type <font color='#5555FF'>=</font><font color='#5555FF'>=</font> hog_no_interpolation<font face='Lucida Console'>)</font> |
|
<b>{</b> |
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<font color='#009900'>// no interpolation |
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</font> hist_cells[rh][ch].values[<font color='#BB00BB'>round_to_int</font><font face='Lucida Console'>(</font>angle<font face='Lucida Console'>)</font><font color='#5555FF'>%</font>num_orientation_bins] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> strength; |
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<b>}</b> |
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<font color='#0000FF'>else</font> <font color='#009900'>// if we should do some interpolation |
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</font> <b>{</b> |
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<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> quantized_angle_lower <font color='#5555FF'>=</font> <font color='#0000FF'>static_cast</font><font color='#5555FF'><</font><font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font><font color='#5555FF'>></font><font face='Lucida Console'>(</font>std::<font color='#BB00BB'>floor</font><font face='Lucida Console'>(</font>angle<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; |
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<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> quantized_angle_upper <font color='#5555FF'>=</font> <font color='#0000FF'>static_cast</font><font color='#5555FF'><</font><font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font><font color='#5555FF'>></font><font face='Lucida Console'>(</font>std::<font color='#BB00BB'>ceil</font><font face='Lucida Console'>(</font>angle<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; |
|
|
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quantized_angle_lower <font color='#5555FF'>%</font><font color='#5555FF'>=</font> num_orientation_bins; |
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quantized_angle_upper <font color='#5555FF'>%</font><font color='#5555FF'>=</font> num_orientation_bins; |
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|
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<font color='#0000FF'>const</font> <font color='#0000FF'><u>double</u></font> angle_split <font color='#5555FF'>=</font> <font face='Lucida Console'>(</font>angle<font color='#5555FF'>-</font>std::<font color='#BB00BB'>floor</font><font face='Lucida Console'>(</font>angle<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; |
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<font color='#0000FF'>const</font> <font color='#0000FF'><u>double</u></font> upper_strength <font color='#5555FF'>=</font> angle_split<font color='#5555FF'>*</font>strength; |
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<font color='#0000FF'>const</font> <font color='#0000FF'><u>double</u></font> lower_strength <font color='#5555FF'>=</font> <font face='Lucida Console'>(</font><font color='#979000'>1</font><font color='#5555FF'>-</font>angle_split<font face='Lucida Console'>)</font><font color='#5555FF'>*</font>strength; |
|
|
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<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>interpolation_type <font color='#5555FF'>=</font><font color='#5555FF'>=</font> hog_angle_interpolation<font face='Lucida Console'>)</font> |
|
<b>{</b> |
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<font color='#009900'>// Stick into gradient histogram. Note that we linearly interpolate between neighboring |
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</font> <font color='#009900'>// histogram buckets. |
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</font> hist_cells[rh][ch].values[quantized_angle_lower] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> lower_strength; |
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hist_cells[rh][ch].values[quantized_angle_upper] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> upper_strength; |
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<b>}</b> |
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<font color='#0000FF'>else</font> <font color='#009900'>// here we do hog_full_interpolation |
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</font> <b>{</b> |
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<font color='#0000FF'>const</font> <font color='#0000FF'><u>double</u></font> center_r <font color='#5555FF'>=</font> <font face='Lucida Console'>(</font>cell_size<font color='#5555FF'>-</font><font color='#979000'>1</font><font face='Lucida Console'>)</font><font color='#5555FF'>/</font><font color='#979000'>2.0</font>; |
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<font color='#0000FF'>const</font> <font color='#0000FF'><u>double</u></font> center_c <font color='#5555FF'>=</font> <font face='Lucida Console'>(</font>cell_size<font color='#5555FF'>-</font><font color='#979000'>1</font><font face='Lucida Console'>)</font><font color='#5555FF'>/</font><font color='#979000'>2.0</font>; |
|
|
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<font color='#0000FF'>const</font> <font color='#0000FF'><u>double</u></font> lin_neighbor_r <font color='#5555FF'>=</font> std::<font color='#BB00BB'>abs</font><font face='Lucida Console'>(</font>center_r <font color='#5555FF'>-</font> r<font face='Lucida Console'>)</font><font color='#5555FF'>/</font>cell_size; |
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<font color='#0000FF'>const</font> <font color='#0000FF'><u>double</u></font> lin_main_r <font color='#5555FF'>=</font> <font color='#979000'>1</font><font color='#5555FF'>-</font>lin_neighbor_r; |
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|
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<font color='#0000FF'>const</font> <font color='#0000FF'><u>double</u></font> lin_neighbor_c <font color='#5555FF'>=</font> std::<font color='#BB00BB'>abs</font><font face='Lucida Console'>(</font>center_c <font color='#5555FF'>-</font> c<font face='Lucida Console'>)</font><font color='#5555FF'>/</font>cell_size; |
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<font color='#0000FF'>const</font> <font color='#0000FF'><u>double</u></font> lin_main_c <font color='#5555FF'>=</font> <font color='#979000'>1</font><font color='#5555FF'>-</font>lin_neighbor_c; |
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|
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<font color='#009900'>// Which neighboring cells we interpolate into depends on which |
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</font> <font color='#009900'>// corner of our main cell we are nearest. |
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</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>r <font color='#5555FF'><</font> center_r<font face='Lucida Console'>)</font> |
|
<b>{</b> |
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<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>c <font color='#5555FF'><</font> center_c<font face='Lucida Console'>)</font> |
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<b>{</b> |
|
hist_cells[rh][ch].values[quantized_angle_upper] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> upper_strength <font color='#5555FF'>*</font> lin_main_r<font color='#5555FF'>*</font>lin_main_c; |
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hist_cells[rh][ch].values[quantized_angle_lower] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> lower_strength <font color='#5555FF'>*</font> lin_main_r<font color='#5555FF'>*</font>lin_main_c; |
|
|
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hist_cells[rh<font color='#5555FF'>-</font><font color='#979000'>1</font>][ch].values[quantized_angle_upper] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> upper_strength <font color='#5555FF'>*</font> lin_neighbor_r<font color='#5555FF'>*</font>lin_main_c; |
|
hist_cells[rh<font color='#5555FF'>-</font><font color='#979000'>1</font>][ch].values[quantized_angle_lower] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> lower_strength <font color='#5555FF'>*</font> lin_neighbor_r<font color='#5555FF'>*</font>lin_main_c; |
|
|
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hist_cells[rh][ch<font color='#5555FF'>-</font><font color='#979000'>1</font>].values[quantized_angle_upper] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> upper_strength <font color='#5555FF'>*</font> lin_neighbor_c<font color='#5555FF'>*</font>lin_main_r; |
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hist_cells[rh][ch<font color='#5555FF'>-</font><font color='#979000'>1</font>].values[quantized_angle_lower] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> lower_strength <font color='#5555FF'>*</font> lin_neighbor_c<font color='#5555FF'>*</font>lin_main_r; |
|
|
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hist_cells[rh<font color='#5555FF'>-</font><font color='#979000'>1</font>][ch<font color='#5555FF'>-</font><font color='#979000'>1</font>].values[quantized_angle_upper] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> upper_strength <font color='#5555FF'>*</font> lin_neighbor_c<font color='#5555FF'>*</font>lin_neighbor_r; |
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hist_cells[rh<font color='#5555FF'>-</font><font color='#979000'>1</font>][ch<font color='#5555FF'>-</font><font color='#979000'>1</font>].values[quantized_angle_lower] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> lower_strength <font color='#5555FF'>*</font> lin_neighbor_c<font color='#5555FF'>*</font>lin_neighbor_r; |
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<b>}</b> |
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<font color='#0000FF'>else</font> |
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<b>{</b> |
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hist_cells[rh][ch].values[quantized_angle_upper] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> upper_strength <font color='#5555FF'>*</font> lin_main_r<font color='#5555FF'>*</font>lin_main_c; |
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hist_cells[rh][ch].values[quantized_angle_lower] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> lower_strength <font color='#5555FF'>*</font> lin_main_r<font color='#5555FF'>*</font>lin_main_c; |
|
|
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hist_cells[rh<font color='#5555FF'>-</font><font color='#979000'>1</font>][ch].values[quantized_angle_upper] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> upper_strength <font color='#5555FF'>*</font> lin_neighbor_r<font color='#5555FF'>*</font>lin_main_c; |
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hist_cells[rh<font color='#5555FF'>-</font><font color='#979000'>1</font>][ch].values[quantized_angle_lower] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> lower_strength <font color='#5555FF'>*</font> lin_neighbor_r<font color='#5555FF'>*</font>lin_main_c; |
|
|
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hist_cells[rh][ch<font color='#5555FF'>+</font><font color='#979000'>1</font>].values[quantized_angle_upper] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> upper_strength <font color='#5555FF'>*</font> lin_neighbor_c<font color='#5555FF'>*</font>lin_main_r; |
|
hist_cells[rh][ch<font color='#5555FF'>+</font><font color='#979000'>1</font>].values[quantized_angle_lower] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> lower_strength <font color='#5555FF'>*</font> lin_neighbor_c<font color='#5555FF'>*</font>lin_main_r; |
|
|
|
hist_cells[rh<font color='#5555FF'>-</font><font color='#979000'>1</font>][ch<font color='#5555FF'>+</font><font color='#979000'>1</font>].values[quantized_angle_upper] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> upper_strength <font color='#5555FF'>*</font> lin_neighbor_c<font color='#5555FF'>*</font>lin_neighbor_r; |
|
hist_cells[rh<font color='#5555FF'>-</font><font color='#979000'>1</font>][ch<font color='#5555FF'>+</font><font color='#979000'>1</font>].values[quantized_angle_lower] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> lower_strength <font color='#5555FF'>*</font> lin_neighbor_c<font color='#5555FF'>*</font>lin_neighbor_r; |
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<b>}</b> |
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<b>}</b> |
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<font color='#0000FF'>else</font> |
|
<b>{</b> |
|
<font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>c <font color='#5555FF'><</font> center_c<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
hist_cells[rh][ch].values[quantized_angle_upper] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> upper_strength <font color='#5555FF'>*</font> lin_main_r<font color='#5555FF'>*</font>lin_main_c; |
|
hist_cells[rh][ch].values[quantized_angle_lower] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> lower_strength <font color='#5555FF'>*</font> lin_main_r<font color='#5555FF'>*</font>lin_main_c; |
|
|
|
hist_cells[rh<font color='#5555FF'>+</font><font color='#979000'>1</font>][ch].values[quantized_angle_upper] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> upper_strength <font color='#5555FF'>*</font> lin_neighbor_r<font color='#5555FF'>*</font>lin_main_c; |
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hist_cells[rh<font color='#5555FF'>+</font><font color='#979000'>1</font>][ch].values[quantized_angle_lower] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> lower_strength <font color='#5555FF'>*</font> lin_neighbor_r<font color='#5555FF'>*</font>lin_main_c; |
|
|
|
hist_cells[rh][ch<font color='#5555FF'>-</font><font color='#979000'>1</font>].values[quantized_angle_upper] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> upper_strength <font color='#5555FF'>*</font> lin_neighbor_c<font color='#5555FF'>*</font>lin_main_r; |
|
hist_cells[rh][ch<font color='#5555FF'>-</font><font color='#979000'>1</font>].values[quantized_angle_lower] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> lower_strength <font color='#5555FF'>*</font> lin_neighbor_c<font color='#5555FF'>*</font>lin_main_r; |
|
|
|
hist_cells[rh<font color='#5555FF'>+</font><font color='#979000'>1</font>][ch<font color='#5555FF'>-</font><font color='#979000'>1</font>].values[quantized_angle_upper] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> upper_strength <font color='#5555FF'>*</font> lin_neighbor_c<font color='#5555FF'>*</font>lin_neighbor_r; |
|
hist_cells[rh<font color='#5555FF'>+</font><font color='#979000'>1</font>][ch<font color='#5555FF'>-</font><font color='#979000'>1</font>].values[quantized_angle_lower] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> lower_strength <font color='#5555FF'>*</font> lin_neighbor_c<font color='#5555FF'>*</font>lin_neighbor_r; |
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<b>}</b> |
|
<font color='#0000FF'>else</font> |
|
<b>{</b> |
|
hist_cells[rh][ch].values[quantized_angle_upper] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> upper_strength <font color='#5555FF'>*</font> lin_main_r<font color='#5555FF'>*</font>lin_main_c; |
|
hist_cells[rh][ch].values[quantized_angle_lower] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> lower_strength <font color='#5555FF'>*</font> lin_main_r<font color='#5555FF'>*</font>lin_main_c; |
|
|
|
hist_cells[rh<font color='#5555FF'>+</font><font color='#979000'>1</font>][ch].values[quantized_angle_upper] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> upper_strength <font color='#5555FF'>*</font> lin_neighbor_r<font color='#5555FF'>*</font>lin_main_c; |
|
hist_cells[rh<font color='#5555FF'>+</font><font color='#979000'>1</font>][ch].values[quantized_angle_lower] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> lower_strength <font color='#5555FF'>*</font> lin_neighbor_r<font color='#5555FF'>*</font>lin_main_c; |
|
|
|
hist_cells[rh][ch<font color='#5555FF'>+</font><font color='#979000'>1</font>].values[quantized_angle_upper] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> upper_strength <font color='#5555FF'>*</font> lin_neighbor_c<font color='#5555FF'>*</font>lin_main_r; |
|
hist_cells[rh][ch<font color='#5555FF'>+</font><font color='#979000'>1</font>].values[quantized_angle_lower] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> lower_strength <font color='#5555FF'>*</font> lin_neighbor_c<font color='#5555FF'>*</font>lin_main_r; |
|
|
|
hist_cells[rh<font color='#5555FF'>+</font><font color='#979000'>1</font>][ch<font color='#5555FF'>+</font><font color='#979000'>1</font>].values[quantized_angle_upper] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> upper_strength <font color='#5555FF'>*</font> lin_neighbor_c<font color='#5555FF'>*</font>lin_neighbor_r; |
|
hist_cells[rh<font color='#5555FF'>+</font><font color='#979000'>1</font>][ch<font color='#5555FF'>+</font><font color='#979000'>1</font>].values[quantized_angle_lower] <font color='#5555FF'>+</font><font color='#5555FF'>=</font> lower_strength <font color='#5555FF'>*</font> lin_neighbor_c<font color='#5555FF'>*</font>lin_neighbor_r; |
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<b>}</b> |
|
<b>}</b> |
|
<b>}</b> |
|
<b>}</b> |
|
|
|
|
|
<b>}</b> |
|
<b>}</b> |
|
<b>}</b> |
|
<b>}</b> |
|
|
|
|
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<font color='#009900'>// Now figure out how many blocks we should have. Note again that the hist_cells has a border of |
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</font> <font color='#009900'>// unused cells (thats where that -2 comes from). |
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</font> num_block_rows <font color='#5555FF'>=</font> <font face='Lucida Console'>(</font>hist_cells.<font color='#BB00BB'>nr</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>2</font> <font color='#5555FF'>-</font> <font face='Lucida Console'>(</font>block_size<font color='#5555FF'>-</font><font color='#979000'>1</font><font face='Lucida Console'>)</font> <font color='#5555FF'>+</font> cell_stride <font color='#5555FF'>-</font> <font color='#979000'>1</font><font face='Lucida Console'>)</font><font color='#5555FF'>/</font>cell_stride; |
|
num_block_cols <font color='#5555FF'>=</font> <font face='Lucida Console'>(</font>hist_cells.<font color='#BB00BB'>nc</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font color='#5555FF'>-</font><font color='#979000'>2</font> <font color='#5555FF'>-</font> <font face='Lucida Console'>(</font>block_size<font color='#5555FF'>-</font><font color='#979000'>1</font><font face='Lucida Console'>)</font> <font color='#5555FF'>+</font> cell_stride <font color='#5555FF'>-</font> <font color='#979000'>1</font><font face='Lucida Console'>)</font><font color='#5555FF'>/</font>cell_stride; |
|
|
|
<b>}</b> |
|
|
|
<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> <b><a name='round_to_int'></a>round_to_int</b><font face='Lucida Console'>(</font> |
|
<font color='#0000FF'><u>double</u></font> val |
|
<font face='Lucida Console'>)</font> <font color='#0000FF'>const</font> |
|
<b>{</b> |
|
<font color='#0000FF'>return</font> <font color='#0000FF'>static_cast</font><font color='#5555FF'><</font><font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font><font color='#5555FF'>></font><font face='Lucida Console'>(</font>std::<font color='#BB00BB'>floor</font><font face='Lucida Console'>(</font>val <font color='#5555FF'>+</font> <font color='#979000'>0.5</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
|
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<font color='#0000FF'>struct</font> <b><a name='histogram'></a>histogram</b> |
|
<b>{</b> |
|
<font color='#0000FF'><u>void</u></font> <b><a name='zero'></a>zero</b><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> |
|
<b>{</b> |
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<font color='#0000FF'>for</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> i <font color='#5555FF'>=</font> <font color='#979000'>0</font>; i <font color='#5555FF'><</font> num_orientation_bins; <font color='#5555FF'>+</font><font color='#5555FF'>+</font>i<font face='Lucida Console'>)</font> |
|
values[i] <font color='#5555FF'>=</font> <font color='#979000'>0</font>; |
|
<b>}</b> |
|
<font color='#0000FF'><u>double</u></font> values[num_orientation_bins]; |
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<b>}</b>; |
|
|
|
array2d<font color='#5555FF'><</font>histogram<font color='#5555FF'>></font> hist_cells; |
|
|
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<font color='#0000FF'>mutable</font> descriptor_type des; |
|
|
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<font color='#0000FF'><u>long</u></font> num_block_rows; |
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<font color='#0000FF'><u>long</u></font> num_block_cols; |
|
|
|
|
|
<b>}</b>; |
|
|
|
<font color='#009900'>// ---------------------------------------------------------------------------------------- |
|
</font> |
|
<font color='#0000FF'>template</font> <font color='#5555FF'><</font> |
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<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> T1, |
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<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> T2, |
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<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> T3, |
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<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> T4, |
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<font color='#0000FF'><u>int</u></font> T5, |
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<font color='#0000FF'><u>int</u></font> T6 |
|
<font color='#5555FF'>></font> |
|
<font color='#0000FF'><u>void</u></font> <b><a name='serialize'></a>serialize</b> <font face='Lucida Console'>(</font> |
|
<font color='#0000FF'>const</font> hog_image<font color='#5555FF'><</font>T1,T2,T3,T4,T5,T6<font color='#5555FF'>></font><font color='#5555FF'>&</font> item, |
|
std::ostream<font color='#5555FF'>&</font> out |
|
<font face='Lucida Console'>)</font> |
|
<b>{</b> |
|
item.<font color='#BB00BB'>_PRIVATE_serialize</font><font face='Lucida Console'>(</font>out<font face='Lucida Console'>)</font>; |
|
<b>}</b> |
|
|
|
<font color='#0000FF'>template</font> <font color='#5555FF'><</font> |
|
<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> T1, |
|
<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> T2, |
|
<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> T3, |
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<font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> T4, |
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<font color='#0000FF'><u>int</u></font> T5, |
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<font color='#0000FF'><u>int</u></font> T6 |
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<font color='#5555FF'>></font> |
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<font color='#0000FF'><u>void</u></font> <b><a name='deserialize'></a>deserialize</b> <font face='Lucida Console'>(</font> |
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hog_image<font color='#5555FF'><</font>T1,T2,T3,T4,T5,T6<font color='#5555FF'>></font><font color='#5555FF'>&</font> item, |
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std::istream<font color='#5555FF'>&</font> in |
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<font face='Lucida Console'>)</font> |
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<b>{</b> |
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item.<font color='#BB00BB'>_PRIVATE_deserialize</font><font face='Lucida Console'>(</font>in<font face='Lucida Console'>)</font>; |
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<b>}</b> |
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<font color='#009900'>// ---------------------------------------------------------------------------------------- |
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</font> |
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<b>}</b> |
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|
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<font color='#0000FF'>#endif</font> <font color='#009900'>// DLIB_HoG_Hh_ |
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</font> |
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</pre></body></html> |
