Video content analysis of a video may include: modeling a background of the video; detecting at least one target in a foreground of the video based on the feature blocks of the video; and tracking each target of the video. Modeling a background of the video may include: dividing each frame of the video into image blocks; determining features for each image block of each frame to obtain feature blocks for each frame; determining a feature block map for each frame based on the feature blocks of each frame; and determining a background feature block map to model the background of the vide based on at least one of the feature block maps.
申请公布号
WO2009032852(A1)
申请公布日期
2009.03.12
申请号
WO2008US75136
申请日期
2008.09.03
申请人
OBJECTVIDEO, INC.;ZHANG, ZHONG;LIPTON, ALAN J.;VENETIANER, PETER L.;YIN, WEIHONG
发明人
ZHANG, ZHONG;LIPTON, ALAN J.;VENETIANER, PETER L.;YIN, WEIHONG