发明名称 |
Image detail enhancement system |
摘要 |
A detail enhancement system uses a detail filter bank including multiple detail filters covering different frequency ranges. An input video signal representing a digital image is processed in the detail filter, wherein detail signals are extracted by the detail filters at different frequency ranges. Shoot suppression blocks and coring blocks are provided for each detail filter to prevent overshoot/undershoot artifacts and small ringing artifacts, respectively. The overall detail signal is amplitude scaled, and added back to the input signal as an enhancement, to generate a detail enhanced output signal.
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申请公布号 |
US2004189874(A1) |
申请公布日期 |
2004.09.30 |
申请号 |
US20030402280 |
申请日期 |
2003.03.27 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
WANG XIANGLIN;KIM YEONG-TAEG |
分类号 |
H04N5/205;(IPC1-7):H04N5/21 |
主分类号 |
H04N5/205 |
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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