CN101799869B - 一种隐形编码检测方法 - Google Patents
一种隐形编码检测方法 Download PDFInfo
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CN2010101523164A CN101799869B (zh) | 2005-09-16 | 2005-09-16 | 一种隐形编码检测方法 |
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CN2010101523164A CN101799869B (zh) | 2005-09-16 | 2005-09-16 | 一种隐形编码检测方法 |
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CNA2005101032212A Division CN1933391A (zh) | 2005-09-16 | 2005-09-16 | 一种隐形编码嵌入和检测的方法 |
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CN101799869A CN101799869A (zh) | 2010-08-11 |
CN101799869B true CN101799869B (zh) | 2012-09-05 |
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Families Citing this family (3)
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US20150193900A1 (en) * | 2012-06-19 | 2015-07-09 | Tak Wai Lau | Composite device and application process and apparatus thereof |
EP3178030B1 (en) | 2014-08-06 | 2020-09-16 | Waitak Labels Factory Limited | Authentication devices |
CN105631348A (zh) * | 2014-10-31 | 2016-06-01 | 江苏威盾网络科技有限公司 | 一种纸质打印文件保密方法 |
Citations (3)
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KR20030062463A (ko) * | 2002-01-17 | 2003-07-28 | 주식회사 마크애니 | 텍스트 문서로/로부터 워터마크를 삽입 및 추출하는방법과 그 장치 |
CN1599405A (zh) * | 2004-07-26 | 2005-03-23 | 刘�东 | 以符号的冗余编码携带隐藏信息的文本数字水印技术 |
CN1625096A (zh) * | 2004-12-09 | 2005-06-08 | 中国科学院计算技术研究所 | 以一类pdf文本作为掩体的信息隐写方法 |
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KR20030062463A (ko) * | 2002-01-17 | 2003-07-28 | 주식회사 마크애니 | 텍스트 문서로/로부터 워터마크를 삽입 및 추출하는방법과 그 장치 |
CN1599405A (zh) * | 2004-07-26 | 2005-03-23 | 刘�东 | 以符号的冗余编码携带隐藏信息的文本数字水印技术 |
CN1625096A (zh) * | 2004-12-09 | 2005-06-08 | 中国科学院计算技术研究所 | 以一类pdf文本作为掩体的信息隐写方法 |
Non-Patent Citations (3)
Title |
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JP特开2002-232679A 2002.08.16 |
YU Nan-nan et al.Document and Text Watermarking Detection Algorithm Based on Image Processing.《3rd International Symposium on Instrumentation Science and Technology》.2004,83-88. * |
黄华 等.文本数字水印.《中文信息学报》.2001,第15卷(第5期),52-57. * |
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Owner name: TIANJIN SURSEN SOFTWARE TECHNOLOGY CO., LTD. Effective date: 20111202 Owner name: BEIJING SURSEN ELECTRONIC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BEIJING SURESENSE INTERNATIONAL INFORMATION TECHNOLOGY CO., LTD. Effective date: 20111202 |
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Effective date of registration: 20141216 Address after: 100191, room 407, Taixing building, 11 Garden East Road, Beijing, Haidian District Patentee after: Beijing Sursen Electronic Technology Co., Ltd. Address before: 100191, room 407, Taixing building, 11 Garden East Road, Beijing, Haidian District Patentee before: Beijing Sursen Electronic Technology Co., Ltd. Patentee before: Tianjin Scholar Software Technology Co., Ltd. |