Invention Grant
- Patent Title: White balance correction using illuminant estimation
- Patent Title (中): 使用光源估计的白平衡校正
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Application No.: US11639772Application Date: 2006-12-15
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Publication No.: US08049789B2Publication Date: 2011-11-01
- Inventor: Manuel Innocent
- Applicant: Manuel Innocent
- Applicant Address: BM Hamilton
- Assignee: ON Semiconductor Trading, Ltd
- Current Assignee: ON Semiconductor Trading, Ltd
- Current Assignee Address: BM Hamilton
- Agent Rennie William Dover
- Main IPC: H04N9/73
- IPC: H04N9/73

Abstract:
A method and apparatus for white balance correction using illuminant estimation includes calculating a weighted average of the color coordinates of points in a color image to determine an estimated illuminant of the color image in the color space of an image sensor and selecting white balance correction factors for the color image using the estimated illuminant of the color image and color coordinates of one or more of a number of reference illuminant points in the color space of the image sensor.
Public/Granted literature
- US20080143844A1 White balance correction using illuminant estimation Public/Granted day:2008-06-19
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