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import numpy as np
def image_to_patches(img, label = None, patch_height, patch_width):
H, W = img.shape
# Calculate how many patches fit along each dimension
num_patches_vert = H // patch_height
num_patches_horz = W // patch_width
patches = []
for i in range(num_patches_vert):
for j in range(num_patches_horz):
patch_img = img[i * patch_height:(i+1) * patch_height,
j * patch_width:(j+1) * patch_width
]
if label is not None:
patch_label = label[i * patch_height:(i+1) * patch_height,
j * patch_width:(j+1) * patch_width
]
patches.append((patch_img, patch_label))
else:
patches.append(patch_img)
return patches |