CN102750661B - 计算机随机彩色图形防伪方法 - Google Patents
计算机随机彩色图形防伪方法 Download PDFInfo
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- CN102750661B CN102750661B CN201210256421.1A CN201210256421A CN102750661B CN 102750661 B CN102750661 B CN 102750661B CN 201210256421 A CN201210256421 A CN 201210256421A CN 102750661 B CN102750661 B CN 102750661B
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
- G09C5/00—Ciphering apparatus or methods not provided for in the preceding groups, e.g. involving the concealment or deformation of graphic data such as designs, written or printed messages
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CN201210256421.1A CN102750661B (zh) | 2012-07-24 | 2012-07-24 | 计算机随机彩色图形防伪方法 |
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CN102750661A CN102750661A (zh) | 2012-10-24 |
CN102750661B true CN102750661B (zh) | 2014-04-02 |
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Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103310346A (zh) * | 2013-03-25 | 2013-09-18 | 贵州卓霖防伪科技有限公司 | 多点构成字体防伪方法 |
TW201531079A (zh) * | 2014-01-28 | 2015-08-01 | Accton Technology Corp | 密碼驗證系統及密碼驗證方法 |
CN103802515A (zh) * | 2014-02-12 | 2014-05-21 | 格科微电子(上海)有限公司 | 基于传统胶印实现可变印刷的方法 |
CN106156821A (zh) * | 2015-03-24 | 2016-11-23 | 天津市阿波罗信息技术有限公司 | 一种光学可读性条码防伪结构及实现方法 |
CN105117919A (zh) * | 2015-08-19 | 2015-12-02 | 高瑞英 | 果实防伪方法 |
CN110046908A (zh) * | 2018-01-12 | 2019-07-23 | 上海驰亚信息技术有限公司 | 一种计算机随机图形的防伪产品及其防伪方法 |
CN111178003B (zh) * | 2019-12-20 | 2023-08-29 | 华工科技产业股份有限公司 | 一种用数字代替汉字特征结构形成随机编码的防伪方法 |
CN114510454A (zh) * | 2021-12-31 | 2022-05-17 | 珠海华发金融科技研究院有限公司 | 文件防伪方法及装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1302040A (zh) * | 1999-12-30 | 2001-07-04 | 孙卫平 | 唯一性彩色图像数字防伪标识制作技术及产品 |
CN1455366A (zh) * | 2002-05-03 | 2003-11-12 | 廖月娥 | 网格微粒密码防伪方法 |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1302040A (zh) * | 1999-12-30 | 2001-07-04 | 孙卫平 | 唯一性彩色图像数字防伪标识制作技术及产品 |
CN1455366A (zh) * | 2002-05-03 | 2003-11-12 | 廖月娥 | 网格微粒密码防伪方法 |
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