[go: up one dir, main page]

DE69943294D1 - Verfahren Gerät und Programmspeichermedium zur digitalen Wasserzeicheneinbettung und -detektierung - Google Patents

Verfahren Gerät und Programmspeichermedium zur digitalen Wasserzeicheneinbettung und -detektierung

Info

Publication number
DE69943294D1
DE69943294D1 DE69943294T DE69943294T DE69943294D1 DE 69943294 D1 DE69943294 D1 DE 69943294D1 DE 69943294 T DE69943294 T DE 69943294T DE 69943294 T DE69943294 T DE 69943294T DE 69943294 D1 DE69943294 D1 DE 69943294D1
Authority
DE
Germany
Prior art keywords
detection
storage medium
program storage
digital watermark
watermark embedding
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.)
Expired - Lifetime
Application number
DE69943294T
Other languages
English (en)
Inventor
Takao Nakamura
Hiroshi Ogawa
Atsuki Tomioka
Youichi Takashima
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Application granted granted Critical
Publication of DE69943294D1 publication Critical patent/DE69943294D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G06T1/0028—Adaptive watermarking, e.g. Human Visual System [HVS]-based watermarking
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32203—Spatial or amplitude domain methods
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32203—Spatial or amplitude domain methods
    • H04N1/32208—Spatial or amplitude domain methods involving changing the magnitude of selected pixels, e.g. overlay of information or super-imposition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N1/32101—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N1/32144—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title embedded in the image data, i.e. enclosed or integrated in the image, e.g. watermark, super-imposed logo or stamp
    • H04N1/32149—Methods relating to embedding, encoding, decoding, detection or retrieval operations
    • H04N1/32288—Multiple embedding, e.g. cocktail embedding, or redundant embedding, e.g. repeating the additional information at a plurality of locations in the image
    • H04N1/32293—Repeating the additional information in a regular pattern
    • 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
    • G06T2201/0052—Embedding of the watermark in the frequency 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
    • 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
    • G06T2201/0083—Image watermarking whereby only watermarked image required at decoder, e.g. source-based, blind, oblivious
    • 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
    • G06T2201/0202—Image watermarking whereby the quality of watermarked images is measured; Measuring quality or performance of watermarking methods; Balancing between quality and robustness
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3225—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document
    • H04N2201/3233—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document of authentication information, e.g. digital signature, watermark
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
    • H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
    • H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
    • H04N2201/3269—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs
    • H04N2201/327—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of machine readable codes or marks, e.g. bar codes or glyphs which are undetectable to the naked eye, e.g. embedded codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
DE69943294T 1999-01-25 1999-11-18 Verfahren Gerät und Programmspeichermedium zur digitalen Wasserzeicheneinbettung und -detektierung Expired - Lifetime DE69943294D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1621899 1999-01-25
JP1621999 1999-01-25

Publications (1)

Publication Number Publication Date
DE69943294D1 true DE69943294D1 (de) 2011-05-05

Family

ID=26352493

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69943294T Expired - Lifetime DE69943294D1 (de) 1999-01-25 1999-11-18 Verfahren Gerät und Programmspeichermedium zur digitalen Wasserzeicheneinbettung und -detektierung

Country Status (3)

Country Link
US (5) US7164778B1 (de)
EP (2) EP1022678B1 (de)
DE (1) DE69943294D1 (de)

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7644282B2 (en) 1998-05-28 2010-01-05 Verance Corporation Pre-processed information embedding system
US6737957B1 (en) * 2000-02-16 2004-05-18 Verance Corporation Remote control signaling using audio watermarks
AU2001294168A1 (en) * 2000-10-03 2002-04-15 Vidius Inc. Secure distribution of digital content
EP1215880A3 (de) 2000-12-07 2003-08-13 Sony United Kingdom Limited Dateneinbettung in Material
US7043051B2 (en) * 2001-02-21 2006-05-09 Lg Electronics Inc. Proprietary watermark system for secure digital media and content distribution
US7058201B2 (en) * 2001-03-28 2006-06-06 Lg Electronics Inc. Method of embedding watermark into digital image
JP3576993B2 (ja) * 2001-04-24 2004-10-13 株式会社東芝 電子透かし埋め込み方法及び装置
KR100493284B1 (ko) * 2001-05-11 2005-06-03 엘지전자 주식회사 디지털 미디어의 복제 제어 방법 및 시스템
CN1592917B (zh) * 2001-11-23 2012-09-05 塞沃路森公司 水印嵌入
AU2002222622A1 (en) * 2001-12-12 2003-06-23 Kokusai Kogyo Co., Ltd. Electronic information burying method and extracting method, electronic information burying apparatus and extracting apparatus, and programs therefor
AU2002320672B2 (en) * 2001-12-21 2005-06-16 Canon Kabushiki Kaisha Encoding Information in a Watermark
CN1331095C (zh) * 2001-12-21 2007-08-08 皇家飞利浦电子股份有限公司 利用健壮特征增加水印的完整性
AUPR970601A0 (en) 2001-12-21 2002-01-24 Canon Kabushiki Kaisha Encoding information in a watermark
JP3937841B2 (ja) * 2002-01-10 2007-06-27 キヤノン株式会社 情報処理装置及びその制御方法
KR100888589B1 (ko) * 2002-06-18 2009-03-16 삼성전자주식회사 반복적으로 삽입된 워터마크 추출방법 및 그 장치
EP2782337A3 (de) 2002-10-15 2014-11-26 Verance Corporation Media-Überwchung, Verwaltung und Informationssystem
US20060239501A1 (en) 2005-04-26 2006-10-26 Verance Corporation Security enhancements of digital watermarks for multi-media content
JP3938176B2 (ja) * 2003-12-10 2007-06-27 キヤノン株式会社 画像処理方法、画像処理装置、プログラム及び記録媒体
JP4591211B2 (ja) * 2005-05-31 2010-12-01 富士ゼロックス株式会社 画像処理装置、画像処理方法、媒体、符号読取装置、及びプログラム
JP4260781B2 (ja) 2005-06-30 2009-04-30 富士通株式会社 情報埋め込み装置、情報埋め込み方法および情報埋め込みプログラム
US8020004B2 (en) 2005-07-01 2011-09-13 Verance Corporation Forensic marking using a common customization function
US8781967B2 (en) 2005-07-07 2014-07-15 Verance Corporation Watermarking in an encrypted domain
JP4879968B2 (ja) * 2006-03-07 2012-02-22 日本電信電話株式会社 電子透かし埋め込み方法及び装置及びプログラム及び電子透かし検出方法及び装置及びプログラム
JP5097114B2 (ja) * 2006-06-19 2012-12-12 パナソニック株式会社 情報埋込装置、及び検出装置
JP4905142B2 (ja) * 2007-01-15 2012-03-28 富士通株式会社 画像処理装置、印刷物および画像処理プログラム
JP5002524B2 (ja) * 2008-04-25 2012-08-15 キヤノン株式会社 画像処理装置、画像処理方法、及び、プログラム
US8259938B2 (en) 2008-06-24 2012-09-04 Verance Corporation Efficient and secure forensic marking in compressed
CN101615286B (zh) * 2008-06-25 2012-01-04 中国科学院自动化研究所 一种基于图像灰度游程直方图分析的盲信息隐藏检测方法
KR101065339B1 (ko) * 2008-07-02 2011-09-16 삼성전자주식회사 휴대 단말기 및 휴대 단말기 간 분할 촬영 방법
RU2393538C1 (ru) * 2008-10-24 2010-06-27 Открытое Акционерное Общество "Конструкторское Бюро "Луч" Способ формирования и проверки заверенного цифровым водяным знаком электронного изображения
JP5163429B2 (ja) * 2008-11-05 2013-03-13 ソニー株式会社 動きベクトル検出装置、その処理方法およびプログラム
RU2399953C1 (ru) * 2008-12-23 2010-09-20 Открытое Акционерное Общество "Конструкторское Бюро "Луч" Способ формирования и проверки заверенного цифровым водяным знаком электронного изображения
JP5482335B2 (ja) * 2010-03-16 2014-05-07 富士通株式会社 マーカ配置装置、マーカ検出装置、及びプログラム
US20110299103A1 (en) * 2010-06-02 2011-12-08 Toshiba Tec Kabushiki Kaisha Image processing apparatus, data transmission system, and image processing method
US9607131B2 (en) 2010-09-16 2017-03-28 Verance Corporation Secure and efficient content screening in a networked environment
JP5435142B2 (ja) * 2010-09-30 2014-03-05 富士通株式会社 画像暗号化システムおよび画像復号システム
US8634110B2 (en) * 2010-10-06 2014-01-21 Hewlett-Packard Development Company, L.P. Edge refinement system
US8842875B2 (en) 2011-05-26 2014-09-23 Digimarc Corporation Image related methods and systems
US8699747B2 (en) * 2011-05-26 2014-04-15 Digimarc Corporation Image-related methods and systems
CN102972038B (zh) * 2011-07-01 2016-02-10 松下电器产业株式会社 图像处理装置、图像处理方法、程序、集成电路
CN105160620B (zh) * 2011-08-26 2018-09-25 北京中盈信安科技发展有限责任公司 一种图像水印检测方法
JP2013047882A (ja) 2011-08-29 2013-03-07 Olympus Imaging Corp サーバ装置及びシステム
US8533481B2 (en) 2011-11-03 2013-09-10 Verance Corporation Extraction of embedded watermarks from a host content based on extrapolation techniques
US8615104B2 (en) 2011-11-03 2013-12-24 Verance Corporation Watermark extraction based on tentative watermarks
US8923548B2 (en) 2011-11-03 2014-12-30 Verance Corporation Extraction of embedded watermarks from a host content using a plurality of tentative watermarks
US8682026B2 (en) 2011-11-03 2014-03-25 Verance Corporation Efficient extraction of embedded watermarks in the presence of host content distortions
US8745403B2 (en) 2011-11-23 2014-06-03 Verance Corporation Enhanced content management based on watermark extraction records
US9547753B2 (en) 2011-12-13 2017-01-17 Verance Corporation Coordinated watermarking
US9323902B2 (en) 2011-12-13 2016-04-26 Verance Corporation Conditional access using embedded watermarks
US20130329938A1 (en) * 2012-06-12 2013-12-12 Jorg-Ulrich Mohnen Encoding digital assets along with content control data as a quilted image representation
US9571606B2 (en) 2012-08-31 2017-02-14 Verance Corporation Social media viewing system
US8726304B2 (en) 2012-09-13 2014-05-13 Verance Corporation Time varying evaluation of multimedia content
US20140075469A1 (en) 2012-09-13 2014-03-13 Verance Corporation Content distribution including advertisements
US8869222B2 (en) 2012-09-13 2014-10-21 Verance Corporation Second screen content
US9042554B2 (en) 2012-11-30 2015-05-26 The Nielsen Company (Us), Llc Methods, apparatus, and articles of manufacture to encode auxilary data into text data and methods, apparatus, and articles of manufacture to obtain encoded data from text data
US9990478B2 (en) * 2012-11-30 2018-06-05 The Nielsen Company (Us), Llc Methods, apparatus, and articles of manufacture to encode auxiliary data into relational database keys and methods, apparatus, and articles of manufacture to obtain encoded data from relational database keys
US9087459B2 (en) 2012-11-30 2015-07-21 The Nielsen Company (Us), Llc Methods, apparatus, and articles of manufacture to encode auxilary data into text data and methods, apparatus, and articles of manufacture to obtain encoded data from text data
US9262794B2 (en) 2013-03-14 2016-02-16 Verance Corporation Transactional video marking system
US9251549B2 (en) 2013-07-23 2016-02-02 Verance Corporation Watermark extractor enhancements based on payload ranking
US9208334B2 (en) 2013-10-25 2015-12-08 Verance Corporation Content management using multiple abstraction layers
WO2015138798A1 (en) 2014-03-13 2015-09-17 Verance Corporation Interactive content acquisition using embedded codes
CN104978706B (zh) * 2014-04-11 2019-12-20 深圳力维智联技术有限公司 基于傅里叶描述子的水印嵌入与提取方法、装置及系统
US20210203994A1 (en) * 2015-06-12 2021-07-01 Shaoher Pan Encoding data in a source image with watermark image codes
KR102460069B1 (ko) * 2015-09-30 2022-10-28 삼성전자주식회사 보안 인증 장치 및 보안 인증 방법
CN107925763B (zh) * 2015-12-23 2020-01-10 华为技术有限公司 等级分割中的块级别变换选择和隐式信令的编码变换方法和设备
CN108615217B (zh) * 2018-03-22 2021-09-10 西安电子科技大学 一种基于量化的抗jpeg压缩的鲁棒可逆水印方法
CN108876692A (zh) * 2018-05-30 2018-11-23 齐鲁工业大学 基于极谐-傅里叶矩统计建模的水印嵌入方法及检测方法
JP7196615B2 (ja) * 2019-01-10 2022-12-27 京セラドキュメントソリューションズ株式会社 画像形成装置
US11244418B2 (en) * 2019-03-15 2022-02-08 Boe Technology Group Co., Ltd. Method of encoding watermark into digital image by partitioning image into blocks of a same size, apparatus for encoding watermark into digital image, and method of detecting watermark in digital image thereof
CN111163241B (zh) * 2019-12-10 2021-08-20 中国科学院深圳先进技术研究院 一种基于预测值相关性的可逆信息隐藏方法
CN113393358B (zh) * 2020-03-12 2025-06-13 阿里巴巴集团控股有限公司 图像处理方法和系统、存储介质、计算设备
CN111914283B (zh) * 2020-08-20 2024-03-26 释空(上海)品牌策划有限公司 一种基于大数据区块链的文件电子签章算法
US20240020787A1 (en) * 2020-11-12 2024-01-18 Sony Semiconductor Solutions Corporation Imaging element, imaging method, imaging device, and image processing system
CN113011437B (zh) * 2021-03-09 2023-06-30 安徽超清科技股份有限公司 一种基于工业互联网的产品溯源系统
US11842422B2 (en) 2021-04-30 2023-12-12 The Nielsen Company (Us), Llc Methods and apparatus to extend a timestamp range supported by a watermark without breaking backwards compatibility
CN115375526A (zh) * 2022-07-29 2022-11-22 深圳市世强元件网络有限公司 一种添加水印方法和系统
US20240146510A1 (en) * 2022-10-26 2024-05-02 Bank Of America Corporation Distributed swarm based system for authentication key encryption using image processing
CN115937917A (zh) * 2022-11-30 2023-04-07 广州广电运通金融电子股份有限公司 身份验证方法、装置、电子设备和存储介质
CN116596736B (zh) * 2023-06-01 2024-03-22 中建三局信息科技有限公司 一种网页系统的隐水印生成方法、装置、设备及存储介质

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5862260A (en) * 1993-11-18 1999-01-19 Digimarc Corporation Methods for surveying dissemination of proprietary empirical data
JP3496734B2 (ja) 1994-04-30 2004-02-16 ソニー株式会社 エッジ領域検出装置及び方法
JP3499294B2 (ja) * 1994-07-20 2004-02-23 株式会社リコー 書類機密管理方法及び画像処理装置
JP2002504272A (ja) 1995-05-08 2002-02-05 ディジマーク コーポレイション ステガノグラフィシステム
JPH09172636A (ja) 1995-12-19 1997-06-30 Fuji Xerox Co Ltd 符号化装置
US6185312B1 (en) * 1997-01-28 2001-02-06 Nippon Telegraph And Telephone Corporation Method for embedding and reading watermark-information in digital form, and apparatus thereof
JPH10276321A (ja) 1997-01-28 1998-10-13 Mitsubishi Electric Corp 電子透かし装置
US6044156A (en) * 1997-04-28 2000-03-28 Eastman Kodak Company Method for generating an improved carrier for use in an image data embedding application
US6222932B1 (en) * 1997-06-27 2001-04-24 International Business Machines Corporation Automatic adjustment of image watermark strength based on computed image texture
JPH1132200A (ja) * 1997-07-09 1999-02-02 Matsushita Electric Ind Co Ltd 透かしデータ挿入方法及び透かしデータ検出方法
US6278791B1 (en) * 1998-05-07 2001-08-21 Eastman Kodak Company Lossless recovery of an original image containing embedded data
US6314192B1 (en) * 1998-05-21 2001-11-06 Massachusetts Institute Of Technology System, method, and product for information embedding using an ensemble of non-intersecting embedding generators
JP4424769B2 (ja) * 1998-09-10 2010-03-03 興和株式会社 電子透かしの埋め込み装置
JP4447799B2 (ja) * 2000-04-26 2010-04-07 キヤノン株式会社 撮像装置及びその制御方法
AU2002214613A1 (en) * 2000-11-08 2002-05-21 Digimarc Corporation Content authentication and recovery using digital watermarks

Also Published As

Publication number Publication date
US7860270B2 (en) 2010-12-28
EP2219152A2 (de) 2010-08-18
US20060204032A1 (en) 2006-09-14
EP1022678A3 (de) 2001-08-01
EP1022678B1 (de) 2011-03-23
EP2219152A3 (de) 2010-10-27
US7978877B2 (en) 2011-07-12
US7817818B2 (en) 2010-10-19
US7164778B1 (en) 2007-01-16
US20100119106A1 (en) 2010-05-13
US20060193491A1 (en) 2006-08-31
EP2219152B1 (de) 2018-07-04
US20110116679A1 (en) 2011-05-19
EP1022678A2 (de) 2000-07-26
US7792323B2 (en) 2010-09-07

Similar Documents

Publication Publication Date Title
DE69943294D1 (de) Verfahren Gerät und Programmspeichermedium zur digitalen Wasserzeicheneinbettung und -detektierung
DE69940586D1 (de) Verfahren und Gerät zum digitalen Wasserzeichnen
DE602004022616D1 (de) Verfahren und System zur Einbettung und Detektion von Wasserzeichen in digitalen Daten
DE69940797D1 (de) Verfahren und Gerät zum digitalen Wasserzeichnen von Bildern
DE60023779D1 (de) Vorrichtung und Verfahren zur Überblendungsdetektion und Überblendungsinformationscodierung
DE60038328D1 (de) Gerät, Verfahren und Medium zur Informationsverarbeitung
DE10196685T1 (de) System und Verfahren zur hierarchischen Datenspeicherung
DE69926010D1 (de) Verfahren und vorrichtung zur erfassung seismischer daten
DE60014338D1 (de) Verfahren und gerät zur bildverarbeitung
DE60000380D1 (de) Verfahren und Vorrichtung zur Datenkompression
DE60027654D1 (de) Verfahren und Gerät zur Positionserkennung
DE69940442D1 (de) Vorrichtung und verfahren zur dreidimensionalen bildaufnahme und vorrichtung und verfahren zur dreidimensionalen bildwiedergabe
DE60128641D1 (de) Verfahren und Gerät zur Bilderzeugung
DE69918937D1 (de) Verfahren und Gerät zur Bilderzeugung
DE60114711D1 (de) Verfahren und Gerät zur Bestimmung des Quellen-Bild-Abstandes in einem digitalen Abbildungssystem
ATE335275T1 (de) Verfahren und vorrichtung zur informationsaufzeichnung in einheiten
DE60000188D1 (de) Vorrichtung und Verfahren zum Einbetten und Extrahieren von digitalen Informationen sowie Medium mit Programm zur Durchführung des Verfahrens
DE60045503D1 (de) Verfahren und Gerät zur Bildverarbeitung
DE60045677D1 (de) Verfahren und Vorrichtung zur Bildverarbeitung und Speichermedium
DE60012515D1 (de) System zum wasserzeichnen von digitalen daten mit gebrauch von verfahren zum einfügen und auffinden von wasserzeichen
DE60042143D1 (de) Vorrichtung und Verfahren zur Bildverarbeitung sowie Speichermedium
DE60134192D1 (de) Gerät und Verfahren zur digitalen Videoaufzeichnung
GB2348585B (en) Method and apparatus for watermarking digital data
DE69919116D1 (de) Verfahren und Gerät zur Bilderzeugung
DE69927425D1 (de) Verfahren und Vorrichtung zur Bildverarbeitung und Aufzeichnungsmedium