中文说明：资源描述%newdir为需要处理的图像所在的文件夹路径，filename是图像名字，为字符串，n是图像总数，m为特征向量的维数
English Description：
Application background%newdir for the need to process the image of the location of the folder path, filename is the image of the name, as a string, n is the total number of images, m as the feature vector dimension