Introduction - If you have any usage issues, please Google them yourself
In order to facilitate, in the m document images into data matrix, and no additional pictures, if want to change the image, you can delete the data, picture can be changed. This GUI functions are: the adoption of the scroll bar to change the cut-off radius, simultaneously in the text box shows the size of cut-off radius (you can also directly in the text box to be cut-off radius), according to Begin, to observe the image low-pass filtering effects. (Cut-off radius of the smaller, the frequency has been less the more blurred images, the more serious distortion).