JP2004048219A - 電子透かし情報の挿入方法 - Google Patents

電子透かし情報の挿入方法 Download PDF

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Publication number
JP2004048219A
JP2004048219A JP2002200741A JP2002200741A JP2004048219A JP 2004048219 A JP2004048219 A JP 2004048219A JP 2002200741 A JP2002200741 A JP 2002200741A JP 2002200741 A JP2002200741 A JP 2002200741A JP 2004048219 A JP2004048219 A JP 2004048219A
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JP
Japan
Prior art keywords
information
image
motion detection
compression
content
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2002200741A
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English (en)
Japanese (ja)
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JP2004048219A5 (enExample
Inventor
Kosuke Yasuhoso
安細　康介
Yutaka Yoshiura
吉浦　裕
Isao Echizen
越前　功
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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.)
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Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP2002200741A priority Critical patent/JP2004048219A/ja
Priority to US10/418,287 priority patent/US20040008923A1/en
Publication of JP2004048219A publication Critical patent/JP2004048219A/ja
Publication of JP2004048219A5 publication Critical patent/JP2004048219A5/ja
Pending legal-status Critical Current

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T1/00—General purpose image data processing
    • G06T1/0021—Image watermarking
    • G06T1/0085—Time domain based watermarking, e.g. watermarks spread over several images
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0051—Embedding of the watermark in the spatial domain
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0053—Embedding of the watermark in the coding stream, possibly without decoding; Embedding of the watermark in the compressed domain
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2201/00—General purpose image data processing
    • G06T2201/005—Image watermarking
    • G06T2201/0061—Embedding of the watermark in each block of the image, e.g. segmented watermarking

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Television Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2002200741A 2002-07-10 2002-07-10 電子透かし情報の挿入方法 Pending JP2004048219A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2002200741A JP2004048219A (ja) 2002-07-10 2002-07-10 電子透かし情報の挿入方法
US10/418,287 US20040008923A1 (en) 2002-07-10 2003-04-18 Method for embedding digital watermark information

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002200741A JP2004048219A (ja) 2002-07-10 2002-07-10 電子透かし情報の挿入方法

Publications (2)

Publication Number Publication Date
JP2004048219A true JP2004048219A (ja) 2004-02-12
JP2004048219A5 JP2004048219A5 (enExample) 2005-09-08

Family

ID=30112532

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002200741A Pending JP2004048219A (ja) 2002-07-10 2002-07-10 電子透かし情報の挿入方法

Country Status (2)

Country Link
US (1) US20040008923A1 (enExample)
JP (1) JP2004048219A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012151535A (ja) * 2011-01-17 2012-08-09 Nippon Hoso Kyokai <Nhk> 電子透かし埋め込み装置、電子透かし埋め込みプログラム、電子透かし検出装置および電子透かし検出プログラム

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6590996B1 (en) * 2000-02-14 2003-07-08 Digimarc Corporation Color adaptive watermarking
US7567721B2 (en) * 2002-01-22 2009-07-28 Digimarc Corporation Digital watermarking of low bit rate video
KR100556848B1 (ko) * 2003-05-13 2006-03-10 엘지전자 주식회사 디지털 워터마킹을 이용한 동영상 부호화/복호화 장치 및방법
US20060045308A1 (en) * 2004-09-02 2006-03-02 Microsoft Corporation Camera and method for watermarking film content
JP2008090438A (ja) * 2006-09-29 2008-04-17 Hitachi Koukiyou Syst Eng Kk 動画コンテンツの改ざん検出装置及びシステム
US8300877B2 (en) * 2007-02-20 2012-10-30 Sony Mobile Communications Ab Copy protected information distribution
US20090147985A1 (en) * 2007-12-07 2009-06-11 Xuemin Chen METHOD AND SYSTEM FOR secure WATERMARK EMBEDDING AND EXTRACTION DATA FLOW ARCHITECTURE
US8848791B2 (en) * 2010-09-29 2014-09-30 Futurewei Technologies, Inc. Compressed domain video watermarking
CN104462886B (zh) * 2014-11-28 2017-10-31 重庆市地理信息中心 一种基于矢量空间数据对象存储顺序的数字水印方法
JP2019184670A (ja) * 2018-04-03 2019-10-24 シャープ株式会社 画像処理装置、及び表示装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3230263B2 (ja) * 1992-01-31 2001-11-19 ソニー株式会社 動きベクトル検出回路
US5960081A (en) * 1997-06-05 1999-09-28 Cray Research, Inc. Embedding a digital signature in a video sequence
JP4035257B2 (ja) * 1998-04-10 2008-01-16 キヤノン株式会社 画像処理装置、画像処理方法及びコンピュータ読み取り可能な記憶媒体
US7346776B2 (en) * 2000-09-11 2008-03-18 Digimarc Corporation Authenticating media signals by adjusting frequency characteristics to reference values

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012151535A (ja) * 2011-01-17 2012-08-09 Nippon Hoso Kyokai <Nhk> 電子透かし埋め込み装置、電子透かし埋め込みプログラム、電子透かし検出装置および電子透かし検出プログラム

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Publication number Publication date
US20040008923A1 (en) 2004-01-15

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