data.py 文件源码

def _build_centering_transform(image_shape, target_shape):
    cols, rows = image_shape
    tcols, trows = target_shape
    shift_x = (cols - tcols) / 2.0
    shift_y = (rows - trows) / 2.0
    return skimage.transform.SimilarityTransform(translation=(shift_x, shift_y))