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发明名称
Method for coherent watermark insertion and detection in color halftone images
摘要
申请公布号
EP1936948(A3)
申请公布日期
2009.04.29
申请号
EP20070122709
申请日期
2007.12.10
申请人
XEROX CORPORATION
发明人
SHARMA, GAURAV;WANG, SHEN-GE
分类号
H04N1/32
主分类号
H04N1/32
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代理人
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