Edge detection is widely used in image processing, image recognition and computer vision. Tradition edge detection methods have a lot of disadvantages. This paper presents a new edge detection algorithm base on Matching Pursuit (MP). Our method h

维基百科上的二维ostu代码有点问题，这个是根据其原理修改后的(The two-dimensional Ostu code on Wikipedia has some problems. This is a modified version based on its principles.)