Patent ID: 9030575
Filing Date: 2015-05-12
Classification: H04N

Abstract:
1. A non-transitory program storage device readable by a programmable control device comprising instructions stored thereon to cause the programmable control device to: obtain image data from an image sensor of an image capture device; transform the image data into chrominance values, wherein the chrominance values exist in a two-dimensional chromaticity space; rotate the chromaticity space to enforce a first chromaticity space physical property; shear at least some the transformed image data to enforce a second chromaticity space physical property; identify a white point constraint zone in the chromaticity space, based at least in part on the first chromaticity space physical property; and calculate a white point for the image data in the chromaticity space, wherein the instructions to cause the programmable control device to calculate a white point further comprise instructions to cause the programmable control device to project the calculated white point back into the identified white point constraint zone.