SG120173A1 - Methods and apparatus for watermarking digital data - Google Patents

Methods and apparatus for watermarking digital data

Info

Publication number
SG120173A1
SG120173A1 SG200404492A SG200404492A SG120173A1 SG 120173 A1 SG120173 A1 SG 120173A1 SG 200404492 A SG200404492 A SG 200404492A SG 200404492 A SG200404492 A SG 200404492A SG 120173 A1 SG120173 A1 SG 120173A1
Authority
SG
Singapore
Prior art keywords
methods
digital data
watermarking digital
watermarking
data
Prior art date
Application number
SG200404492A
Other languages
English (en)
Inventor
Xiaobing Sun
Jian Zhang
Wei Lu
Okada Kanzo
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to SG200404492A priority Critical patent/SG120173A1/en
Priority to DE200560002696 priority patent/DE602005002696T2/de
Priority to EP20050017388 priority patent/EP1628257B1/de
Priority to JP2005236834A priority patent/JP4696777B2/ja
Publication of SG120173A1 publication Critical patent/SG120173A1/en

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00General purpose image data processing
    • G06T1/0021Image watermarking
    • G06T1/0042Fragile watermarking, e.g. so as to detect tampering
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00General purpose image data processing
    • G06T2201/005Image watermarking
    • G06T2201/0051Embedding of the watermark in the spatial domain
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00General purpose image data processing
    • G06T2201/005Image watermarking
    • G06T2201/0061Embedding of the watermark in each block of the image, e.g. segmented watermarking

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Image Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
SG200404492A 2004-08-17 2004-08-17 Methods and apparatus for watermarking digital data SG120173A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SG200404492A SG120173A1 (en) 2004-08-17 2004-08-17 Methods and apparatus for watermarking digital data
DE200560002696 DE602005002696T2 (de) 2004-08-17 2005-08-10 Erkennung von Änderungen in digitalen Daten mittels empfindlichen Wasserzeichens
EP20050017388 EP1628257B1 (de) 2004-08-17 2005-08-10 Erkennung von Änderungen in digitalen Daten mittels empfindlichen Wasserzeichens
JP2005236834A JP4696777B2 (ja) 2004-08-17 2005-08-17 デジタルデータにウォータマークを付す方法及び装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SG200404492A SG120173A1 (en) 2004-08-17 2004-08-17 Methods and apparatus for watermarking digital data

Publications (1)

Publication Number Publication Date
SG120173A1 true SG120173A1 (en) 2006-03-28

Family

ID=35106958

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200404492A SG120173A1 (en) 2004-08-17 2004-08-17 Methods and apparatus for watermarking digital data

Country Status (4)

Country Link
EP (1) EP1628257B1 (de)
JP (1) JP4696777B2 (de)
DE (1) DE602005002696T2 (de)
SG (1) SG120173A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102461066B (zh) * 2009-05-21 2015-09-09 数字标记公司 鉴别内容信号的方法
JP6401290B2 (ja) 2014-04-01 2018-10-10 ホアウェイ・テクノロジーズ・カンパニー・リミテッド 多層構造化コーディングユニットのデータ隠蔽のための方法および装置
CN110611784B (zh) * 2019-10-17 2021-07-23 江苏省水利科学研究院 一种可防篡改的多摄像头记录仪的拍摄存储方法
CN114511437B (zh) * 2022-04-19 2022-07-12 山东科技大学 基于参考矩阵和lsb替换的水印嵌入和图像自恢复方法
CN114693500B (zh) * 2022-05-31 2022-08-23 山东科技大学 一种用于篡改检测和自恢复的量子图像水印方法
CN117057971B (zh) * 2023-10-07 2023-12-29 湖北微模式科技发展有限公司 一种基于亮度收缩校准的jpeg图像半脆弱水印算法及装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2325765A (en) * 1997-04-07 1998-12-02 Ibm Data hiding and detection
EP0967803A2 (de) * 1998-06-24 1999-12-29 Nec Corporation Robuste digitale Wasserzeichen
US6275599B1 (en) * 1998-08-28 2001-08-14 International Business Machines Corporation Compressed image authentication and verification

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4220661B2 (ja) * 2000-07-21 2009-02-04 興和株式会社 電子文書改竄検出方法及びその装置
US6879703B2 (en) * 2001-01-10 2005-04-12 Trustees Of Columbia University Of The City Of New York Method and apparatus for watermarking images
KR100426305B1 (ko) * 2001-11-27 2004-04-08 한국전자통신연구원 웨이블릿 기반에서 블라인드 방식을 이용한 디지털워터마크 삽입/추출장치 및 방법

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2325765A (en) * 1997-04-07 1998-12-02 Ibm Data hiding and detection
EP0967803A2 (de) * 1998-06-24 1999-12-29 Nec Corporation Robuste digitale Wasserzeichen
US6275599B1 (en) * 1998-08-28 2001-08-14 International Business Machines Corporation Compressed image authentication and verification

Also Published As

Publication number Publication date
EP1628257A1 (de) 2006-02-22
JP4696777B2 (ja) 2011-06-08
DE602005002696D1 (de) 2007-11-15
EP1628257B1 (de) 2007-10-03
JP2006081169A (ja) 2006-03-23
DE602005002696T2 (de) 2008-07-17

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