很牛的外国人写的跟踪算法，包括文章和源代码。文章名：Robust Fragments-based Tracking using the Integral Histogram-Is cattle tracking algorithm written by foreigners, including articles and source code. Article Name: Robust Fragments-based Tracking using the Integral Histogram

寻找积分投影直方图的谷集并标识出来，matlab实现并有详细说明。-Find integral projection histogram Valley set and marked, matlab and a detailed descr iption of the achievement.

IHOG, compute a 3D matrix of orientation histogram, storing a integral histogram for each pixel in the image