发明名称 |
IMAGE ENHANCEMENT METHOD USING LOCAL GAIN CORRECTION |
摘要 |
The present invention relates to a method for image enhancement. The method includes the steps of: replacing a value of a pixel of a digital image with a maximum one of values of red, green and blue sub-pixels of the pixel; selecting a specific pixel from pixels of the digital image; selecting some of the pixels surrounding the specific pixel to constitute a specific block; calculating an average of values of the pixels of the specific block; providing multiple curve functions; obtaining a corresponding one of the curve functions according to the average, and substituting the value of the pixel of the image into the curve functions to obtain new output brightness values.
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申请公布号 |
US2010067819(A1) |
申请公布日期 |
2010.03.18 |
申请号 |
US20090425036 |
申请日期 |
2009.04.16 |
申请人 |
WU MING-YANG;YU CHI-CHANG;SUNG BRIAN |
发明人 |
WU MING-YANG;YU CHI-CHANG;SUNG BRIAN |
分类号 |
G06K9/40 |
主分类号 |
G06K9/40 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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