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.
申请公布号 US8270708(B2) 申请公布日期 2012.09.18
申请号 US201113049378 申请日期 2011.03.16
申请人 SHI YUN-QING;CHEN CHUNHUA;NEW JERSEY INSTITUTE OF TECHNOLOGY 发明人 SHI YUN-QING;CHEN CHUNHUA
分类号 G06K9/62;G06K9/00;G06K9/46;H04K1/04 主分类号 G06K9/62
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