介绍了数字图像处理的发展现状及其应用优势，再阐述了matlab在图像处理方面的强大功能及其工具箱，然后结合实例细致讲述了图像处理各个层面的应用。 -Describes the current development of digital image processing and application advantages, and then describes the image processing matlab power of their toolbox, and then detailed with examples about the application of image processing at all levels.