图像处理中的一些常用代码，包括：图像反转、灰度线性变换、非线性变换、直方图均衡化、线性平滑滤波器代码-Some of the commonly used image processing code, including: image nonlinear transform inversion of gray linear transformation, histogram equalization linear smoothing filter code

比较实用的5个matlab代码：图像反转，灰度线性变换，非线性变换，直方图均衡化， 线性平滑滤波器-More practical 5 matlab code: Image is reversed, gray linear transformation, a nonlinear transformation, histogram equalization, linear smoothing filter

1.图像反转 2.灰度线性变换 3.非线性变换 4.直方图均衡化 5. 线性平滑滤波器 6.中值滤波器(1. image inversion, 2. gray linear transformation, 3. nonlinear transformation, 4. histogram equalization, 5. linear smoothing filter, 6. median filter)