The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 03, 2012
Filed:
Sep. 03, 2008
Zhong Zhang, Herndon, VA (US);
Alan J. Lipton, Herndon, VA (US);
Peter L. Venetianer, McLean, VA (US);
Weihong Yin, Herndon, VA (US);
Zhong Zhang, Herndon, VA (US);
Alan J. Lipton, Herndon, VA (US);
Peter L. Venetianer, McLean, VA (US);
Weihong Yin, Herndon, VA (US);
ObjectVideo, Inc., Reston, VA (US);
Abstract
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.