功能强大的gui,各种处理图像的程序，比如中值滤波、灰度化、格式转换、边缘检测等，并且列举了四个特别好的实例，比如人脸识别、车牌提取等(Powerful GUI, various programs for image processing, such as median filtering, grayscale, format conversion, edge detection, etc., and enumerate four very good examples, such as face