说明：  自编的采用Hough变换的方法估计运动模糊图像的方向，含一个M文件，注释详细，希望对学习图像复原的朋友有一些帮助。
(The use of self Hough transform to estimate the direction of motion blurred images, with an M file, comment in detail, hoping to restore the images to the friends learn that some help.)