Boosted cascade of scattered rectangle features for object detection

查看全文 作　　者：ZHANG WeiZe TONG RuoFeng DONG [1]JinXiang

机构地区：[1]Institute of Artificial Intelligence, Zhejiang University, Hangzhou 310027, China

出　　处：《Science in China(Series F)》索引2009年第52卷第2期,共8页

基　　金：Supported by the National Basic Research Program of China (Grant No.2006CB303106);the Doctoral Subject Special Scientific Research Fund of the Ministry of Education of China (Grant No.20070335074) 摘　　要：This paper presents a variant of Haar-like feature used in Viola and Jones detection framework,called scattered rectangle feature,based on the common-component analysis of local region feature. Three common components,feature filter,feature structure and feature form,are extracted without concern-ing the details of the studied region features,which cast a new light on region feature design for spe-cific applications and requirements: modifying some component(s) of a feature for an improved one or combining different components of existing features for a new favorable one. Scattered rectangle feature follows the former way,extending the feature structure component of Haar-like feature out of the restriction of the geometry adjacency rule,which results in a richer representation that explores much more orientations other than horizontal,vertical and diagonal,as well as misaligned,detached and non-rectangle shape information that is unreachable to Haar-like feature. The training result of the two face detectors in the experiments illustrates the benefits of scattered rectangle feature empirically; the comparison of the ROC curves under a rigid and objective detection criterion on MIT+CMU upright face test set shows that the cascade based on scattered rectangle features outperforms that based on Haar-like features. 关键词：长方形特征哈雾特征几何学结构特征形态特征目标侦查

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Boosted cascade of scattered rectangle features for object detection

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