in pycls/datasets/transforms.py [0:0]
def random_crop(image, size, pad_size=0, order='CHW'):
assert order in ['CHW', 'HWC']
if pad_size > 0:
image = zero_pad(image=image, pad_size=pad_size, order=order)
if order == 'CHW':
if image.shape[1] == size and image.shape[2] == size:
return image
height = image.shape[1]
width = image.shape[2]
y_offset = 0
if height > size:
y_offset = int(np.random.randint(0, height - size))
x_offset = 0
if width > size:
x_offset = int(np.random.randint(0, width - size))
cropped = image[:, y_offset:y_offset + size, x_offset:x_offset + size]
assert cropped.shape[1] == size, "Image not cropped properly"
assert cropped.shape[2] == size, "Image not cropped properly"
else:
if image.shape[0] == size and image.shape[1] == size:
return image
height = image.shape[0]
width = image.shape[1]
y_offset = 0
if height > size:
y_offset = int(np.random.randint(0, height - size))
x_offset = 0
if width > size:
x_offset = int(np.random.randint(0, width - size))
cropped = image[y_offset:y_offset + size, x_offset:x_offset + size, :]
assert cropped.shape[0] == size, "Image not cropped properly"
assert cropped.shape[1] == size, "Image not cropped properly"
return cropped