Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shane C. Hu0
Date of Patent
April 5, 2011
0Patent Application Number
118020560
Date Filed
May 18, 2007
0Patent Primary Examiner
Patent abstract
Methods and apparatuses for vignetting correction of imager pixels signals. A polynomial correction surface is determined based on a pixel array center, height, and width, surface fitting parameters, and pixel coordinates. The pixel signal is then multiplied by the corresponding value from the polynomial correction surface to create a vignetting corrected signal.
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