发明名称 |
VIDEO SIGNAL CONTOUR CORRECTOR |
摘要 |
<p>A gray scale correction unit intended to provide a gray scale correction unit for preventing aliasing-like noise generation and gray-scale degradation of a gradation portion adaptively controls a correction value in accordance with the slope of a video signal, detects generation of aliasing-like noise, steepens an edge having a large amplitude without deterioration in the image quality, and improves a spatial frequency of the video signal. <IMAGE></p> |
申请公布号 |
EP1359747(A1) |
申请公布日期 |
2003.11.05 |
申请号 |
EP20020724740 |
申请日期 |
2002.05.09 |
申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
ISHIKAWA, YUICHI;SHINBA, MITSUAKI |
分类号 |
H04N5/208;(IPC1-7):H04N5/208 |
主分类号 |
H04N5/208 |
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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