发明名称 |
Signal processing |
摘要 |
A signal processor has an input for receiving an information signal representing material, for example video or audio material. The signal processor is arranged to apply to the material a modification defined by a predetermined algorithm. The modification is perceptible in the material so as to impair the material, the perceptibility of the impairment varying in a predetermined manner in the material.
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申请公布号 |
US2003051248(A1) |
申请公布日期 |
2003.03.13 |
申请号 |
US20020230941 |
申请日期 |
2002.08.29 |
申请人 |
PELLY JASON CHARLES;FOSTER RICHARD DANIEL |
发明人 |
PELLY JASON CHARLES;FOSTER RICHARD DANIEL |
分类号 |
G06F12/14;G06F21/00;G06F21/10;G06T1/00;H04K1/02;H04N5/91;H04N7/08;H04N7/081;H04N7/167;H04N7/30;(IPC1-7):H04N7/173 |
主分类号 |
G06F12/14 |
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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