test_data.py 文件源码

def resample(image, spacing, new_spacing=[1, 1, 1]):
    # Determine current pixel spacing
    spacing = np.array(spacing)
    resize_factor = spacing / new_spacing
    new_real_shape = image.shape * resize_factor
    new_shape = np.round(new_real_shape)
    real_resize_factor = new_shape / image.shape
    new_spacing = spacing / real_resize_factor
    image = scipy.ndimage.interpolation.zoom(image, real_resize_factor)
    return image, new_spacing