why the result is bad when I use your code to test the before.jpg ?

[tiankong1993]

why the result is bad when I use your code to test the before.jpg ?

[hrastnik]

What do you mean result is bad?

[tiankong1993]

the result when I use your code , can you tell me where is wrong?
https://github.com/LiuRjun/meng/blob/master/tu.png

[hrastnik]

The image I got was produced by feeding the whole video to the algorithm and screencapping a random frame. The algorithm is not stateless (it can change based on previous frame inputs) so that's probably where the difference from my results and yours comes from.