HOG\RatioGradient.m ...\HOGGradient2.m ...\RatioGradient.m~ ...\HOGGradient.m ...\anna_phog_demo.m ...\BHOG_yw.m ...\ImgHOGFeature.m ...\BinHOGFeature.m ...\anna_phog_demo.asv ...\ImgHOGFeature2.m HOG