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.:

US 8432449 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 30, 2013

Filed:

Aug. 13, 2007
Applicants:

Francine R. Chen, Menlo Park, CA (US);

Tao Yang, Xi'an, CN;

Donald G. Kimber, Foster City, CA (US);

Inventors:

Francine R. Chen, Menlo Park, CA (US);

Tao Yang, Xi'an, CN;

Donald G. Kimber, Foster City, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 7/18 (2006.01); H04N 5/225 (2006.01); G06K 9/00 (2006.01); G06K 9/62 (2006.01); G06K 9/34 (2006.01);
U.S. Cl.
CPC ...
Abstract

An integrated method for modeling the handoff between cameras for tracking a specific individual, including: creating a representation of overlaps, gaps, and allowable movement among the fields of view of the cameras, wherein the representation is modeled as states in a Hidden Markov Model (HMM); training the HMM using video of people walking through the fields of view of the cameras; selecting a person to be tracked; and identifying the best camera area using the HMM.


Find Patent Forward Citations

Chen, Francine. (2013). Hidden markov model for camera handoff (U.S. Patent No. 8432449). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8432449

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