图像灰度变换、图像的锐化、⑴直方图均衡化（histogram equalization），⑵直方图匹配（histogram matching），⑶邻域平均（neighborhood averaging），⑷局域增强（local enhancement）， ⑸中值滤波（median filtering）。源码-Image gray-scale transformation, image sharpening, ⑴ histogram equalization (histogram equaliza

数字图像处理中matlab环境先的几个实用的滤波函数-With the aid of examples such as histogram equalization analysis and spatial filtering, this article explains the application of matlab in image processing.