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.

Date of Patent:
Jun. 11, 2002

Filed:

Jan. 14, 1999
Applicant:
Inventors:

Richard J. Qian, Camas, WA (US);

Kristine E. Matthews, Vancouver, WA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/00 ;
U.S. Cl.
CPC ...
G06K 9/00 ;
Abstract

A method for robust human face tracking in the presence of multiple facial images includes taking a frame from a color video sequence as a current input image; filtering the current input image to form a filtered image; estimating the locations and sizes of faces in the filtered image based on a projection histogram of the filtered image; estimating face motion in the filtered image; and outputting the location and size of the tracked faces within the filtered image.


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Qian, Richard. (2002). Method for robust human face tracking in presence of multiple persons (U.S. Patent No. 6404900). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6404900

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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