https://blog.csdn.net/masibuaa/article/details/17924671
文章下载:http://download.csdn.net/detail/masikkk/6870833
Deformable Part Model 相关网页:http://www.cs.berkeley.edu/~rbg/latent/index.html
Pedro Felzenszwalb的个人主页:http://cs.brown.edu/~pff/
PASCAL VOC 目标检测挑战:http://pascallin.ecs.soton.ac.uk/challenges/VOC/