Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Lawrence A. Ray0
Henry Nicponski0
Date of Patent
September 1, 2009
0Patent Application Number
111225930
Date Filed
May 5, 2005
0Patent Primary Examiner
Patent abstract
A method for determining the presence of a face from image data utilizes at least first and second algorithms. The first algorithm prescreens the image data, by determining a plurality of face candidates utilizing a pattern matching technique that identifies image windows likely to contain faces based on color and shape information. The second algorithm processes the face candidates determined by the first algorithm, and uses a posterior probability function classifier to determine the presence of the face.
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