Introduction - If you have any usage issues, please Google them yourself
Histogram equalization is the use of image processing to adjust the image histogram of the contrast method. This method is usually used to increase the overall contrast of many images, especially when the contrast of the image of the useful data is very close to the time. In this way, the brightness could be better distributed on the histogram. This can be used to enhance the local contrast without affecting the overall contrast, histogram equalization, by effectively expanding the brightness used to achieve this functionality.