Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 22, 2015
Patent Application Number
14037927
Date Filed
September 26, 2013
Patent Citations Received
Patent Primary Examiner
Patent abstract
A method for deformable expression detection is disclosed. For each pixel in a preprocessed image, a sign of a first directional gradient component and a sign of a second directional gradient component are combined to produce a combined sign. Each combined sign is coded into a coded value. An expression in an input image is detected based on the coded values.
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