本程序首先用Harris角点检测器在输入图像中检测出角点，然后以每个角点为中心，分割出一个15*15大小的滑动窗口，以为后续的相关匹配等做准备。-This procedure first used Harris corner detector in the input image to detect the corner, and then to each corner point as the center, split a 15* 15 the size of sliding window, thinking that the relevant follow-up in preparation for matching.