Method and apparatus for watermarking data sets,申请号EP19990302779-传众专利搜索

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发明名称	Method and apparatus for watermarking data sets
摘要
申请公布号	EP0952728(A3)	申请公布日期	2001.07.11
申请号	EP19990302779	申请日期	1999.04.09
申请人	INTERNATIONAL BUSINESS MACHINES	发明人	COPPERSMITH, DON;MINTZER, FREDERICK COLE;TRESSER, CHARLES P.;WU, CHAI WAH;YEUNG, MINERVA MING-YEE
分类号	G06T1/00;G09C1/00;G09C5/00;H04L9/32;H04N1/32;H04N1/387;H04N7/08;H04N7/081;(IPC1-7):H04N1/32	主分类号	G06T1/00
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