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:
Mar. 13, 2012
Filed:
Feb. 06, 2006
Bangjun Lei, Delft, NL;
Li-qun Xu, Ipswich, GB;
Bangjun Lei, Delft, NL;
Li-Qun Xu, Ipswich, GB;
BRITISH TELECOMMUNICATIONS public limited company, London, GB;
Abstract
In a digital video surveillance system, a number of processing stages are employed to identify foreground regions representing moving objects in a video sequence. An object tracking stage () is also provided in order to identify a correspondence between candidate objects in a current frame and those that have already been identified in one or more previous frames. In this way, it is possible to calculate the path taken by the or each foreground object and to record this path information in a trajectory database. In order to improve tracking performance, the object tracking stage () employs a state transitional object management scheme which determines whether or not a particular object is tracked. The path information generated by the object tracking stage () can be displayed on a video monitor () of the surveillance system and/or made available to high level applications ().