| 发明名称 |
Method to detect watermark resistant to resizing and translation |
| 摘要 |
A method of detecting a block-based watermark is provided. The method detects the location of the watermark within a frame of content data regardless of whether the watermark has been shifted or resized.
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| 申请公布号 |
US2002126870(A1) |
申请公布日期 |
2002.09.12 |
| 申请号 |
US20010802244 |
申请日期 |
2001.03.08 |
| 申请人 |
SONY CORPORATION AND SONY ELECTRONICS, INC. |
发明人 |
WENDT PETER DAVID |
| 分类号 |
G06T1/00;H04N1/32;(IPC1-7):G06K9/00 |
主分类号 |
G06T1/00 |
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