| // Copyright (C) 2015 Davis E. King ([email protected]) | |
| // License: Boost Software License See LICENSE.txt for the full license. | |
| // ---------------------------------------------------------------------------------------- | |
| namespace dlib | |
| { | |
| void load_mnist_dataset ( | |
| const std::string& folder_name, | |
| std::vector<matrix<unsigned char> >& training_images, | |
| std::vector<unsigned long>& training_labels, | |
| std::vector<matrix<unsigned char> >& testing_images, | |
| std::vector<unsigned long>& testing_labels | |
| ); | |
| /*! | |
| ensures | |
| - Attempts to load the MNIST dataset from the hard drive. This is the dataset | |
| of handwritten digits available from http://yann.lecun.com/exdb/mnist/. In | |
| particular, the 4 files comprising the MNIST dataset should be present in the | |
| folder indicated by folder_name. These four files are: | |
| - train-images-idx3-ubyte | |
| - train-labels-idx1-ubyte | |
| - t10k-images-idx3-ubyte | |
| - t10k-labels-idx1-ubyte | |
| - #training_images == The 60,000 training images from the dataset. | |
| - #training_labels == The labels for the contents of #training_images. | |
| I.e. #training_labels[i] is the label of #training_images[i]. | |
| - #testing_images == The 10,000 testing images from the dataset. | |
| - #testing_labels == The labels for the contents of #testing_images. | |
| I.e. #testing_labels[i] is the label of #testing_images[i]. | |
| throws | |
| - dlib::error if some problem prevents us from loading the data or the files | |
| can't be found. | |
| !*/ | |
| } | |
| // ---------------------------------------------------------------------------------------- | |