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:
Mar. 13, 2007

Filed:

Sep. 12, 2005
Applicant:

Yuri Ivanov, Arlington, MA (US);

Inventor:

Yuri Ivanov, Arlington, MA (US);

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); H04N 7/18 (2006.01);
U.S. Cl.
CPC ...
Abstract

A system and a method are disclosed for identifying pixels belonging to moving objects in a series of images by using a signed difference operation. A first signed difference is determined between a first image and a second image. A second signed difference is determined between a second image and a third image. Pixels that change from a positive sign in the first signed difference to a negative sign in the second signed difference belong to the moving object in the second image.


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