图像的几种改善处理。包括平滑锐化，这两可函数需配合我上传的opentrim使用，还有灰度拉伸，灰度均衡。这两个函数可以在任何能得到只想图像像素区指针的情况下使用。-Improve the handling of several images. Including smooth sharpening, these two functions need to be uploaded with opentrim I use, as well as tensile gray, gray balance.