1.图象灰度变换实验，2.图象直方图及均衡，3.图像中值滤波，4.图像频域滤波，5.图像空域锐化增强。。。 Matlab源码和图片。-An image gray-scale transformation experiments. Image histogram equalization. Image median filtering, the image frequency domain filtering, image airspace sharpening. . . Matlab