| 发明名称 |
METHOD FOR IDENTIFYING MARKED IMAGES BASED AT LEAST IN PART ON FREQUENCY DOMAIN COEFFICIENT DIFFERENCES |
| 摘要 |
Briefly, in accordance with one embodiment, a method of identifying marked images based at least in part on frequency domain coefficient differences is disclosed.
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| 申请公布号 |
US2011222760(A1) |
申请公布日期 |
2011.09.15 |
| 申请号 |
US201113049378 |
申请日期 |
2011.03.16 |
| 申请人 |
SHI YUN-QING;CHEN CHUNHUA |
发明人 |
SHI YUN-QING;CHEN CHUNHUA |
| 分类号 |
G06K9/62 |
主分类号 |
G06K9/62 |
| 代理机构 |
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