CN102024245A - 一种基于易碎水印技术的电子印章保护方法 - Google Patents
一种基于易碎水印技术的电子印章保护方法 Download PDFInfo
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102521787A (zh) * | 2011-12-02 | 2012-06-27 | 昆山百润科技有限公司 | 一种基于易碎水印的电子印章保护方法 |
CN103310164A (zh) * | 2013-06-18 | 2013-09-18 | 齐宇庆 | 电子印章图形的验证方法及含有电子印章文件的验证方法 |
CN103985079A (zh) * | 2014-05-21 | 2014-08-13 | 南京茵默维电子科技有限公司 | 带隐形水印的数字图像篡改检测方法 |
TWI478004B (zh) * | 2013-09-30 | 2015-03-21 | Univ Chaoyang Technology | Seal confidential check system |
CN105760740A (zh) * | 2016-02-02 | 2016-07-13 | 广州市百成科技有限公司 | 一种基于移动终端的快速制作动态电子印章的方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100370481C (zh) * | 2004-10-10 | 2008-02-20 | 北京华旗数码影像技术研究院有限责任公司 | 一种脆弱型水印技术应用于数字图象保真的方法 |
CN100547608C (zh) * | 2005-03-23 | 2009-10-07 | 北京华旗数码影像技术研究院有限责任公司 | 数字图像水印的方法及相应装置和可添加水印的数码相机 |
CN100346353C (zh) * | 2005-07-19 | 2007-10-31 | 电子科技大学 | 基于脆弱水印的电子印章的产生及验证方法 |
CN101246588B (zh) * | 2008-03-20 | 2011-04-13 | 复旦大学 | 彩色图像超复数空间的自适应水印算法 |
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2009
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102521787A (zh) * | 2011-12-02 | 2012-06-27 | 昆山百润科技有限公司 | 一种基于易碎水印的电子印章保护方法 |
CN103310164A (zh) * | 2013-06-18 | 2013-09-18 | 齐宇庆 | 电子印章图形的验证方法及含有电子印章文件的验证方法 |
CN103310164B (zh) * | 2013-06-18 | 2016-03-09 | 齐宇庆 | 电子印章图形的验证方法及含有电子印章文件的验证方法 |
TWI478004B (zh) * | 2013-09-30 | 2015-03-21 | Univ Chaoyang Technology | Seal confidential check system |
CN103985079A (zh) * | 2014-05-21 | 2014-08-13 | 南京茵默维电子科技有限公司 | 带隐形水印的数字图像篡改检测方法 |
CN105760740A (zh) * | 2016-02-02 | 2016-07-13 | 广州市百成科技有限公司 | 一种基于移动终端的快速制作动态电子印章的方法 |
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CN102024245B (zh) | 2013-03-27 |
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Effective date of registration: 20120613 Address after: 510760, No. 2, Po Nan Road, Po Po Industrial Zone, Whampoa District, Guangdong, Guangzhou Applicant after: Guangzhou City Biceng Technology Co., Ltd. Co-applicant after: Kunshan Bairun Technology Co., Ltd. Address before: 510275 room 306, science and Technology Park, Zhongshan University, Guangzhou, Guangdong, Haizhuqu District Applicant before: Guangzhou City Biceng Technology Co., Ltd. |
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Application publication date: 20110420 Assignee: Shanxi Baicheng Technology Co., Ltd. Assignor: Guangzhou hundred Cheng Technology Co., Ltd.|Kunshan hundred run Technology Co., Ltd. Contract record no.: 2015140000012 Denomination of invention: Fragile watermarking technology-based electronic seal protection method Granted publication date: 20130327 License type: Exclusive License Record date: 20150721 |
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Address after: 510130 Unit 901, C1 Building, Innovation Building, 182 Science Avenue, Guangzhou High-tech Industrial Development Zone, Guangdong Province Co-patentee after: KUNSHAN ESEALSBB TECHNOLOGY CO., LTD. Patentee after: Guangzhou City Biceng Technology Co., Ltd. Address before: 510760 No. 2 Punan Road, Yunpu Industrial Zone, Huangpu District, Guangzhou City, Guangdong Province Co-patentee before: Kunshan Bairun Technology Co., Ltd. Patentee before: Guangzhou City Biceng Technology Co., Ltd. |