Invention Grant
- Patent Title: System for adjusting color image quality and method thereof
- Patent Title (中): 调整彩色图像质量的系统及其方法
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Application No.: US12007489Application Date: 2008-01-11
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Publication No.: US08179478B2Publication Date: 2012-05-15
- Inventor: Cheng-Chung Peng , Yuhren Shen
- Applicant: Cheng-Chung Peng , Yuhren Shen
- Applicant Address: TW Hsin-Chu Hsien
- Assignee: Vastview Technology, Inc.
- Current Assignee: Vastview Technology, Inc.
- Current Assignee Address: TW Hsin-Chu Hsien
- Agency: Rosenberg, Klein & Lee
- Main IPC: H04N5/46
- IPC: H04N5/46

Abstract:
A system for adjusting color image quality includes converting color video signal sources into component video signals including a luminance signal and chrominance signals. A signal axis rotation circuit performs coordination transformation on the chrominance signals in accordance with a hue calibration parameter; and a multiplier multiplies the coordinate-transformed chrominance signals with a chroma calibration parameter to obtain output chrominance signals. The output chrominance signals and the luminance signal together form a component chrominance signal, which is applied to and output by a chrominance signal inverse conversion unit.
Public/Granted literature
- US20090180029A1 System for adjusting color image quality and method thereof Public/Granted day:2009-07-16
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