CN102945410A - 多参数变序三维加密二进制防伪印刷方法 - Google Patents
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- CN102945410A CN102945410A CN2012104018772A CN201210401877A CN102945410A CN 102945410 A CN102945410 A CN 102945410A CN 2012104018772 A CN2012104018772 A CN 2012104018772A CN 201210401877 A CN201210401877 A CN 201210401877A CN 102945410 A CN102945410 A CN 102945410A
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US5425103A (en) * | 1994-03-14 | 1995-06-13 | Shaw; William Y. | Variable-key cryptography system |
CN1928916A (zh) * | 2006-08-21 | 2007-03-14 | 顾泽苍 | 印刷介质证书证件及其复印件的防伪处理方法 |
CN101699845A (zh) * | 2009-10-20 | 2010-04-28 | 北京印刷学院 | 伪随机信号调制印刷品调频网点空间位置的加密防伪印刷技术 |
CN102184428A (zh) * | 2011-04-14 | 2011-09-14 | 北京印刷学院 | 二进制加密信号调制印刷品调幅网点的形状的加密防伪印刷技术 |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US5425103A (en) * | 1994-03-14 | 1995-06-13 | Shaw; William Y. | Variable-key cryptography system |
CN1928916A (zh) * | 2006-08-21 | 2007-03-14 | 顾泽苍 | 印刷介质证书证件及其复印件的防伪处理方法 |
CN101699845A (zh) * | 2009-10-20 | 2010-04-28 | 北京印刷学院 | 伪随机信号调制印刷品调频网点空间位置的加密防伪印刷技术 |
CN102184428A (zh) * | 2011-04-14 | 2011-09-14 | 北京印刷学院 | 二进制加密信号调制印刷品调幅网点的形状的加密防伪印刷技术 |
Non-Patent Citations (1)
Title |
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YI XUMEI.ET AL: "The Shapes of Halftone-AM-dots Based on Information Hiding", 《2011 2ND INTERNATIONAL SYMPOSIUM ON INTELLIGENCE INFORMATION PROCESSING AND TRUSTED COMPUTING》 * |
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