发明名称 |
LOGO PROCESSING METHODS AND CIRCUITS |
摘要 |
A logo processing method includes: within a plurality of video frames sequentially received from a video source, comparing a base frame with at least a portion of the other video frames to generate a mask having at least one candidate region probably corresponding to at least one logo; performing post processing on the mask to correct the candidate region(s); and selecting at least one of the candidate region(s) as logo region(s) for indicating the logo(s).
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申请公布号 |
US2007052854(A1) |
申请公布日期 |
2007.03.08 |
申请号 |
US20050161954 |
申请日期 |
2005.08.24 |
申请人 |
YEH CHIA-HUNG;SHIH HSUAN-HUEI |
发明人 |
YEH CHIA-HUNG;SHIH HSUAN-HUEI |
分类号 |
H04N5/45 |
主分类号 |
H04N5/45 |
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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