统操作过程：读入一幅图像，根据这幅图像到一个图像集合中去查找，获得若干相似的图像，最后将查找获得的相似图像，按相似度进行排列。-System operation process: reads an image, according to this image to a collection of images to find, access to a number of similar images, and finally will find similar images obtained b