The image processing environment in python + cv

A histogram

   1.1 Principle

   1.2 code shows

   1.3 Experimental results

  

Second, the Gaussian filter

  2.1 Principle

  2.2 code shows

  2.3 Experimental results

  

Third, the histogram equalization

  3.1 Principle

  3.2 code shows

  3.3 Experimental results