OpenCV stereo matching BM 算法

一直找不到opencv stereo matching的根據和原理出處，下面這個文章貼了個連結，有時間看看：

Basically OpenCV

provides 2 methods to calculate a dense disparity map:

process several images per second), but if parameters not tuned then the results are poor.

Slow (takes several seconds, even minutes per image), but gets very

accurate results.

參考：

<a target="_blank" href="http://blog.martinperis.com/2011/08/opencv-stereo-matching.html">http://blog.martinperis.com/2011/08/opencv-stereo-matching.html</a>