gradients.py 文件源码

def _compute_derivatives(image, mode='constant', cval=0):
    """Compute derivatives the way that scikit-image does it (for comparison).
    This method is fully copied from the repository."""
    imgy = ndimage.sobel(image, axis=0, mode=mode, cval=cval)
    imgx = ndimage.sobel(image, axis=1, mode=mode, cval=cval)

    return imgx, imgy