平滑滤波器

双边滤波bilateralFilter

https://blog.csdn.net/keith_bb/article/details/54427779?utm_medium=distribute.pc_relevant.none-task-blog-BlogCommendFromBaidu-1.control&depth_1-utm_source=distribute.pc_relevant.none-task-blog-BlogCommendFromBaidu-1.control

 

均值滤波器

https://blog.csdn.net/keith_bb/article/details/54382426

 

中值滤波器

https://blog.csdn.net/liyuanbhu/article/details/48502005

 

高斯滤波器

https://www.cnblogs.com/wangguchangqing/p/6407717.html