发明名称 |
Watermarked digital images |
摘要 |
A tamper detection method for digital images includes: providing a digitally watermarked image; digitally processing at least some watermarked parts of the image to obtain confidence values; and using the confidence values to provide an indication as to the likelihood that the image has been tampered with.</PTEXT>
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申请公布号 |
US6633653(B1) |
申请公布日期 |
2003.10.14 |
申请号 |
US20000499048 |
申请日期 |
2000.02.04 |
申请人 |
MOTOROLA, INC. |
发明人 |
HOBSON PAOLA MARCELLA;TAY LAI HOCK |
分类号 |
G06T1/00;H04N1/00;H04N1/32;(IPC1-7):G06K9/00 |
主分类号 |
G06T1/00 |
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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