Invention Grant
- Patent Title: Cross-color image processing systems and methods for sharpness enhancement
- Patent Title (中): 跨彩色图像处理系统和锐度增强方法
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Application No.: US13179488Application Date: 2011-07-09
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Publication No.: US08457393B2Publication Date: 2013-06-04
- Inventor: Guansong Liu , Jizhang Shan , Lu Gao , Hongjun Li
- Applicant: Guansong Liu , Jizhang Shan , Lu Gao , Hongjun Li
- Applicant Address: US CA Santa Clara
- Assignee: OmniVision Technologies, Inc.
- Current Assignee: OmniVision Technologies, Inc.
- Current Assignee Address: US CA Santa Clara
- Agency: Lathrop & Gage LLP
- Main IPC: G06K9/00
- IPC: G06K9/00

Abstract:
Systems and methods for processing a detected composite color image to form a processed composite color image includes the following, for each of a plurality of pixels in the image: (1) identifying a window of pixels in the image that surrounds the pixel, (2) calculating a weight factor coefficient for each detected color from detected color intensity values of the pixels that surround the pixel, (3) calculating raw color contributions corresponding to each nonselected color, (4) multiplying each of the detected color values of a selected color and the raw color contributions corresponding to the nonselected colors, with corresponding weight factor coefficients, to form weighted color contributions, and (5) summing the weighted color contributions to form a processed color intensity value for the pixel.
Public/Granted literature
- US20120014591A1 Cross-Color Image Processing Systems And Methods For Sharpness Enhancement Public/Granted day:2012-01-19
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