Shulou(Shulou.com)06/01 Report--

This article introduces what is the basic operation of image enhancement in opencv practice. The content is very detailed. Interested friends can use it for reference. I hope it will be helpful to you.

The black picture above is the picture we are going to deal with today, this is a page of the book, but it is very dark, for this lack of detail caused by shadows, we can try to enhance it.

Image enhancement really has a lot of content, the scope is also very extensive, today is only for this example to practice. The code is all in blocks, so you can copy and assemble it yourself.

Overall framework construction

First of all, write a frame, read pictures, display pictures and so on:

# include # include using namespace std;using namespace cv;int main () {Mat img_output; Mat img_input = imread ("bookpage.jpg", 0); if (img_input.empty ()) {cout

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