gauss.py 文件源码

def apply_gauss(img, filter_mask):
    """Apply a gaussian filter to an image.
    Args:
        img The image
        filter_mask The filter mask (2D numpy array)
    Returns:
        Modified image
    """
    return signal.correlate(img, filter_mask, mode="same") / np.sum(filter_mask)

# from http://stackoverflow.com/questions/17190649/how-to-obtain-a-gaussian-filter-in-python