图像综合锐化处理 对一低质量的进行灰度增强和锐化处理，在原图像中加入细节信息得到锐化效果，在空域和频域中分别实现。(For a low-quality grayscale enhancement and sharpening process, the detail information is added to the original image to obtain a sharpening effect, which is implemented in the airspace and t