直方图规定化的程序,最好自己做,这个有可能不怎么对,电脑的环境不一样-Histogram specification of the program, it is best to do it yourself, this may be not very computer environment is not the same

Chapter 3 of text book “Digital Image Processing” Gonzales named Intensity Transformations and Spatial Filtering, which consists of 6 sub-sections including (1) Basics intensity transformation functions, (2) Histogram Processing, (3) Spatial Filterin