As title said, any solutions on how to remove the shadow in image via openCV? Thanks and appreciate any helps!
For those who are looking for publication along with the source code of described algorithm, you might be interested by this paper: "Single-Image Shadow Detection and Removal using Paired Regions" by Ruiqi Guo, Qieyun Dai and Derek Hoiem.
They describe a method which works quite well and may be a very good start to implement your shadow-removing algorithm using OpenCV.
I found the source code here, but for posterity and to prevent possibly dead links in the future (I have met many), I also uploaded it on the Internet Archive.
来源：https://stackoverflow.com/questions/9081930/how-to-remove-the-shadow-in-image-by-using-opencv