CN101765847B - 具有低失真的多媒体印水印技术 - Google Patents
具有低失真的多媒体印水印技术 Download PDFInfo
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- CN101765847B CN101765847B CN2008800188189A CN200880018818A CN101765847B CN 101765847 B CN101765847 B CN 101765847B CN 2008800188189 A CN2008800188189 A CN 2008800188189A CN 200880018818 A CN200880018818 A CN 200880018818A CN 101765847 B CN101765847 B CN 101765847B
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Abstract
Description
像素位置 | 块数 |
(2i,2j) | 1 |
(2i+1,2j)/(2i,2j+1) | 2 |
(2i+1,2j+1) | 4 |
组 | 像素位置 |
1 | M2i,2j |
2 | M2i+1,2j |
3 | M2i,2j+1 |
4 | M2i+1,2j+1 |
Claims (19)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US90751307P | 2007-04-04 | 2007-04-04 | |
US60/907,513 | 2007-04-04 | ||
US12/060,949 US7986441B2 (en) | 2007-04-04 | 2008-04-02 | Embedding watermark into halftone image with low distortion using parity values for overlapping groups of candidate sites |
US12/060,949 | 2008-04-02 | ||
PCT/US2008/059300 WO2008124528A2 (en) | 2007-04-04 | 2008-04-03 | Multimedia watermarking techniques with low distortion |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101765847A CN101765847A (zh) | 2010-06-30 |
CN101765847B true CN101765847B (zh) | 2012-11-21 |
Family
ID=39826633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008800188189A Expired - Fee Related CN101765847B (zh) | 2007-04-04 | 2008-04-03 | 具有低失真的多媒体印水印技术 |
Country Status (6)
Country | Link |
---|---|
US (2) | US7986441B2 (zh) |
EP (1) | EP2137675A4 (zh) |
JP (1) | JP4920783B2 (zh) |
KR (2) | KR20090127907A (zh) |
CN (1) | CN101765847B (zh) |
WO (1) | WO2008124528A2 (zh) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
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US7986441B2 (en) * | 2007-04-04 | 2011-07-26 | Wong Technologies L.L.C. | Embedding watermark into halftone image with low distortion using parity values for overlapping groups of candidate sites |
US8049930B2 (en) * | 2008-09-15 | 2011-11-01 | National Taiwan University Of Science And Technology | Method of halftone watermarking for hiding multi-tone watermark or two-tone watermark |
US9852311B1 (en) | 2011-03-08 | 2017-12-26 | Ciphercloud, Inc. | System and method to anonymize data transmitted to a destination computing device |
US8726398B1 (en) | 2011-12-13 | 2014-05-13 | Ciphercloud, Inc. | System and method to anonymize data transmitted to a destination computing device |
US9292696B1 (en) | 2011-03-08 | 2016-03-22 | Ciphercloud, Inc. | System and method to anonymize data transmitted to a destination computing device |
US9667741B1 (en) | 2011-03-08 | 2017-05-30 | Ciphercloud, Inc. | System and method to anonymize data transmitted to a destination computing device |
US9300637B1 (en) * | 2011-03-08 | 2016-03-29 | Ciphercloud, Inc. | System and method to anonymize data transmitted to a destination computing device |
US9338220B1 (en) | 2011-03-08 | 2016-05-10 | Ciphercloud, Inc. | System and method to anonymize data transmitted to a destination computing device |
US9413526B1 (en) | 2011-03-08 | 2016-08-09 | Ciphercloud, Inc. | System and method to anonymize data transmitted to a destination computing device |
US9432342B1 (en) | 2011-03-08 | 2016-08-30 | Ciphercloud, Inc. | System and method to anonymize data transmitted to a destination computing device |
US11228566B1 (en) | 2011-03-08 | 2022-01-18 | Ciphercloud, Inc. | System and method to anonymize data transmitted to a destination computing device |
US9356993B1 (en) | 2011-03-08 | 2016-05-31 | Ciphercloud, Inc. | System and method to anonymize data transmitted to a destination computing device |
US9384410B2 (en) | 2012-05-21 | 2016-07-05 | Nvidia Corporation | Method and system for image compression while encoding at least one extra bit |
KR101428028B1 (ko) * | 2013-01-11 | 2014-08-11 | 동국대학교 산학협력단 | 데이터 은닉 장치 및 방법, 데이터 복원 장치 및 방법 |
DE102013103613B3 (de) * | 2013-04-10 | 2014-09-18 | Cüneyt Göktekin | Erzeugung und Erkennung von fälschungssicher druckbaren Bildinformationsdaten |
KR102137686B1 (ko) | 2013-08-16 | 2020-07-24 | 삼성전자주식회사 | 컨텐츠 무결성 제어 방법 및 그 전자 장치 |
US9819969B2 (en) * | 2013-11-26 | 2017-11-14 | Nvidia Corporation | Generalization of methods and systems for image compression while encoding at least one extra bit |
CN104917989A (zh) * | 2014-03-11 | 2015-09-16 | 移康智能科技(上海)有限公司 | 分级水印的添加方法及其系统 |
KR101706122B1 (ko) * | 2015-11-10 | 2017-02-13 | 주식회사 더코더 | 데이터가 삽입된 홀로그램 금속 스티커 제조 방법 |
US10037587B2 (en) * | 2016-11-23 | 2018-07-31 | Macau University Of Science And Technology | Color image watermarking |
CN109685708B (zh) * | 2018-12-26 | 2024-02-06 | 珠海奔图电子有限公司 | 图像处理方法和装置、电子设备及计算机可读存储介质 |
KR102395647B1 (ko) * | 2020-04-13 | 2022-05-09 | 주식회사 한글과컴퓨터 | 전자 문서에 포함된 이미지에 데이터의 삽입을 가능하게 하는 전자 장치 및 그 동작 방법 |
US11348594B2 (en) | 2020-06-11 | 2022-05-31 | Qualcomm Incorporated | Stream conformant bit error resilience |
KR102337677B1 (ko) * | 2020-07-16 | 2021-12-09 | (주)휴먼스케이프 | 디지털 검증 지문 삽입 시스템 및 그 방법 |
KR102642455B1 (ko) | 2023-07-18 | 2024-02-29 | (주)티엠에스 아이앤티엘 | 홀로그램이 적용된 의류 잡화 부자재 및 이의 제조 방법 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1759406A (zh) * | 2002-03-12 | 2006-04-12 | 松下电器产业株式会社 | 利用半色调对二元文档加数字水印 |
Family Cites Families (21)
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GB9016420D0 (en) * | 1990-07-26 | 1990-09-12 | British Telecomm | Block coded modulation |
US20020009208A1 (en) * | 1995-08-09 | 2002-01-24 | Adnan Alattar | Authentication of physical and electronic media objects using digital watermarks |
US5675590A (en) * | 1994-11-23 | 1997-10-07 | At&T Wireless Services, Inc. | Cyclic trellis coded modulation |
US5960041A (en) * | 1995-09-21 | 1999-09-28 | Lucent Technologies Inc. | Method and apparatus for generating high rate codes for recording information on a magnetic medium |
US6665832B1 (en) * | 2000-03-31 | 2003-12-16 | Qualcomm, Incorporated | Slotted mode decoder state metric initialization |
JP3854155B2 (ja) * | 2000-05-03 | 2006-12-06 | ユニバーシティ・オブ・サザン・カリフォルニア | 待ち時間を短くしたソフトイン/ソフトアウトモジュール |
US7058199B1 (en) * | 2000-08-14 | 2006-06-06 | The Hong Kong University Of Science And Technology | Methods and apparatus for hiding data in halftone images |
US6993150B2 (en) * | 2001-01-24 | 2006-01-31 | Digimarc Corporation | Halftone primitive watermarking and related applications |
US7318185B2 (en) * | 2001-08-23 | 2008-01-08 | Nortel Networks Limited | Method and apparatus for scrambling based peak-to-average power ratio reduction without side information |
GB2400526B (en) * | 2003-04-08 | 2005-12-21 | Hewlett Packard Development Co | Cryptographic key update management |
US7324662B2 (en) * | 2004-05-21 | 2008-01-29 | Nanyang Technological University | Method, software, and device for hiding data in binary image, while preserving image quality |
SG120173A1 (en) * | 2004-08-17 | 2006-03-28 | Sony Corp | Methods and apparatus for watermarking digital data |
US7436977B2 (en) * | 2005-01-26 | 2008-10-14 | Xerox Corporation | Embedding variable watermark information in halftone screens |
US20060195774A1 (en) | 2005-02-17 | 2006-08-31 | Stephen Bowyer | Error correction circuit and method |
US7765456B1 (en) * | 2005-03-31 | 2010-07-27 | Xilinx, Inc. | Optimal multi-user orthogonal variable spreading factor (OVSF) code generator |
US8050446B2 (en) * | 2005-07-12 | 2011-11-01 | The Board Of Trustees Of The University Of Arkansas | Method and system for digital watermarking of multimedia signals |
US7688993B2 (en) * | 2005-10-21 | 2010-03-30 | Nanyang Technological University | Software and method for embedding data in two color images |
US7707479B2 (en) * | 2005-12-13 | 2010-04-27 | Samsung Electronics Co., Ltd. | Method of generating structured irregular low density parity checkcodes for wireless systems |
CN101336416B (zh) * | 2006-02-01 | 2010-08-11 | 富士通株式会社 | 奇偶生成电路、奇偶生成电路用构成电路、信息处理装置以及编码器 |
US7986441B2 (en) * | 2007-04-04 | 2011-07-26 | Wong Technologies L.L.C. | Embedding watermark into halftone image with low distortion using parity values for overlapping groups of candidate sites |
US8650402B2 (en) * | 2007-08-17 | 2014-02-11 | Wong Technologies L.L.C. | General data hiding framework using parity for minimal switching |
-
2008
- 2008-04-02 US US12/060,949 patent/US7986441B2/en active Active
- 2008-04-03 KR KR1020097020691A patent/KR20090127907A/ko not_active Application Discontinuation
- 2008-04-03 EP EP08745039A patent/EP2137675A4/en not_active Withdrawn
- 2008-04-03 CN CN2008800188189A patent/CN101765847B/zh not_active Expired - Fee Related
- 2008-04-03 US US12/062,138 patent/US20080250056A1/en not_active Abandoned
- 2008-04-03 KR KR1020137000108A patent/KR101305752B1/ko active IP Right Grant
- 2008-04-03 WO PCT/US2008/059300 patent/WO2008124528A2/en active Application Filing
- 2008-04-03 JP JP2010502296A patent/JP4920783B2/ja not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1759406A (zh) * | 2002-03-12 | 2006-04-12 | 松下电器产业株式会社 | 利用半色调对二元文档加数字水印 |
Also Published As
Publication number | Publication date |
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US20080247002A1 (en) | 2008-10-09 |
CN101765847A (zh) | 2010-06-30 |
WO2008124528A2 (en) | 2008-10-16 |
EP2137675A2 (en) | 2009-12-30 |
WO2008124528A3 (en) | 2009-08-13 |
KR101305752B1 (ko) | 2013-09-06 |
US20080250056A1 (en) | 2008-10-09 |
JP4920783B2 (ja) | 2012-04-18 |
KR20130018368A (ko) | 2013-02-20 |
JP2010532595A (ja) | 2010-10-07 |
EP2137675A4 (en) | 2010-04-14 |
US7986441B2 (en) | 2011-07-26 |
KR20090127907A (ko) | 2009-12-14 |
WO2008124528A4 (en) | 2009-10-15 |
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