JP4213592B2 - ウォーターマークの埋め込み - Google Patents
ウォーターマークの埋め込み Download PDFInfo
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- JP4213592B2 JP4213592B2 JP2003546298A JP2003546298A JP4213592B2 JP 4213592 B2 JP4213592 B2 JP 4213592B2 JP 2003546298 A JP2003546298 A JP 2003546298A JP 2003546298 A JP2003546298 A JP 2003546298A JP 4213592 B2 JP4213592 B2 JP 4213592B2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8358—Generation of protective data, e.g. certificates involving watermark
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00007—Time or data compression or expansion
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00884—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
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- 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
- H04N1/32128—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title attached to the image data, e.g. file header, transmitted message header, information on the same page or in the same computer file as the image
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- 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
- H04N1/32154—Transform domain methods
- H04N1/32165—Transform domain methods using cosine transforms
-
- 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
- H04N1/32154—Transform domain methods
- H04N1/32187—Transform domain methods with selective or adaptive application of the additional information, e.g. in selected frequency coefficients
- H04N1/32192—Transform domain methods with selective or adaptive application of the additional information, e.g. in selected frequency coefficients according to calculated or estimated visibility of the additional information in the image
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/46—Embedding additional information in the video signal during the compression process
- H04N19/467—Embedding additional information in the video signal during the compression process characterised by the embedded information being invisible, e.g. watermarking
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2201/00—General purpose image data processing
- G06T2201/005—Image watermarking
- G06T2201/0064—Image watermarking for copy protection or copy management, e.g. CGMS, copy only once, one-time copy
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
- H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
- H04N2005/91335—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a 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
- H04N2201/3225—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
- H04N2201/3225—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
- H04N2201/3242—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 processing required or performed, e.g. for reproduction or before recording
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- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Editing Of Facsimile Originals (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Systems (AREA)
- Image Processing (AREA)
- Reverberation, Karaoke And Other Acoustics (AREA)
- Television Signal Processing For Recording (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Holo Graphy (AREA)
Description
Claims (18)
- メディア信号を遠隔地からローカル局へ送信する方法であって、
前記メディア信号のコンテンツの特徴に依存して適応的に制御された埋め込み強度を表すウォーターマーク埋め込みパラメタを前記遠隔地において計算するステップ、及び
前記埋め込みパラメタを、補助信号の形態で、前記メディア信号と一緒に前記ローカル局に送信するステップを有することを特徴とする方法。 - メディア信号を遠隔地からローカル局へ送信する装置にであって、
前記メディア信号のコンテンツの特徴に依存して適応的に制御された埋め込み強度を表すウォーターマーク埋め込みパラメタを前記遠隔地において計算する手段、及び
前記埋め込みパラメタを、補助信号の形態で、前記メディア信号と一緒に前記ローカル局に送信する手段を有することを特徴とする装置。 - 読み出し手段とウォーターマークを埋め込む埋め込み手段とを有する装置によって読み出される記憶媒体であって、
メディア信号と、前記メディア信号のコンテンツの特徴に依存して適応的に制御された埋め込み強度を表す埋め込みパラメタとが記憶され、
前記メディア信号及び前記埋め込みパラメタは、前記読み出し手段によって読み出され、
読み出された前記埋め込みパラメタが表す前記適応的に制御された埋め込み強度は、読み出された前記メディア信号のコンテンツにウォーターマークを埋め込む際に前記埋め込み手段によって用いられる、記憶媒体。 - ローカル局においてウォーターマークをメディア信号に埋め込む方法であって、
遠隔地において計算され、前記ローカル局によるウォーターマークのメディア信号への埋め込みに用いられる埋め込み強度を表す埋め込みパラメタを、補助信号の形態で、前記メディア信号と一緒に前記遠隔地から前記ローカル局において入力するステップと、
前記埋め込みパラメタに従って埋め込み強度を適応的に制御するステップと、
を有する方法。 - 請求項4に記載の方法において、前記メディア信号は圧縮されたビットストリームとして入力され、前記補助信号はユーザデータとして前記ビットストリームに収容される方法。
- 請求項4に記載の方法において、前記補助信号は脆弱ウォーターマークの形態で前記メディア信号に収容される方法。
- 請求項4に記載の方法において、前記補助信号が見つからない又は破損している場合、既定の埋め込み強度を備えるウォーターマークを埋め込むステップをさらに含み、前記既定の埋め込み強度は前記埋め込まれるウォーターマークが知覚可能であるように選択される方法。
- ローカル局においてウォーターマークをメディア信号に埋め込むために当該ローカル局において用いられる装置であって、
当該装置は、埋め込みパラメタに従って埋め込み強度を適応的に制御する手段を有し、
当該装置は、メディア信号と一緒に入力された補助信号から前記埋め込みパラメタを取り出す手段を有し、
前記埋め込みパラメタは、遠隔地において計算され、前記ローカル局においてメディア信号にウォーターマークを埋め込むための強度を表し、前記遠隔地から前記ローカル局において入力されることを特徴とする装置。 - メディア信号を遠隔地からローカル局へ送信する方法であって、
前記ローカル局によるウォーターマークのメディア信号への埋め込みに用いられる埋め込み強度を表すウォーターマーク埋め込みパラメタを前記遠隔地において計算するステップ、及び
前記埋め込みパラメタを、補助信号の形態で、前記メディア信号と一緒に前記ローカル局に送信するステップを有することを特徴とする方法。 - メディア信号を遠隔地からローカル局へ送信する装置において、
前記ローカル局によるウォーターマークのメディア信号への埋め込みに用いられる埋め込み強度を表すウォーターマーク埋め込みパラメタを前記遠隔地において計算する手段、及び
前記埋め込みパラメタを、補助信号の形態で、前記メディア信号と一緒に前記ローカル局に送信する手段を有することを特徴とする装置。 - メディアコンテンツ及び当該メディアコンテンツの特徴に依存して適応的に制御された埋め込み強度で当該メディアコンテンツに埋め込まれた第1のウォーターマークを含むメディア信号と、前記適応的に制御された埋め込み強度を表す補助信号と、から成るデータを入力するステップと、
入力された前記データから前記補助信号を取り出すステップと、
取り出された前記補助信号が示す前記適応的に制御された埋め込み強度を用いて、第2のウォーターマークを前記メディアコンテンツに埋め込むステップと、
を有するウォーターマークの埋め込み方法。 - 請求項11に記載の方法において、前記メディア信号は圧縮されたビットストリームとして入力され、前記補助信号はユーザデータとして前記ビットストリームに収容される方法。
- 請求項11に記載の方法において、前記補助信号は脆弱ウォーターマークの形態で前記メディア信号に収容される方法。
- 請求項11に記載の方法において、前記補助信号が見つからない又は破損している場合、既定の埋め込み強度を備えるウォーターマークを埋め込むステップをさらに含み、前記既定の埋め込み強度は前記埋め込まれるウォーターマークが知覚可能であるように選択される方法。
- メディアコンテンツ及び当該メディアコンテンツの特徴に依存して適応的に制御された埋め込み強度で当該メディアコンテンツに埋め込まれた第1のウォーターマークを含むメディア信号と、前記適応的に制御された埋め込み強度を表す補助信号と、から成るデータ入力する手段と、
入力された前記データから前記補助信号を取り出す手段と、
取り出された前記補助信号が示す前記適応的に制御された埋め込み強度を用いて、第2のウォーターマークを前記メディアコンテンツに埋め込む手段と、
を有するウォーターマーク埋め込み装置。 - メディアコンテンツを含むメディア信号を遠隔地からローカル局へ送信する方法であって、
前記メディアコンテンツの特徴に依存して適応的に制御された埋め込み強度を前記遠隔地において計算するステップと、
前記適応的に制御された埋め込み強度を用いて前記メディアコンテンツに第1ウォーターマークを前記遠隔地において埋め込むステップと、
前記ローカル局において前記メディアコンテンツに第2ウォーターマークを埋め込むために用いられる埋め込み強度としての前記適応的に制御された埋め込み強度を表す補助信号を、前記メディア信号と一緒に前記遠隔地から前記ローカル局に送信するステップと、
を含むことを特徴とする方法。 - メディアコンテンツを含むメディア信号を遠隔地からローカル局へ送信するための前記遠隔地において用いられる装置であって、
前記メディアコンテンツの特徴に依存して適応的に制御された埋め込み強度を計算する手段と、
前記適応的に制御された埋め込み強度を用いて前記メディアコンテンツに第1ウォーターマークを埋め込む手段と、
前記ローカル局において前記メディアコンテンツに第2ウォーターマークを埋め込むために用いられる埋め込み強度としての前記適応的に制御された埋め込み強度を表す補助信号を、前記メディア信号と一緒に前記遠隔地から前記ローカル局に送信する手段と、
を含むことを特徴とする装置。 - 読み出し手段とウォーターマークを埋め込む埋め込み手段とを有する装置によって読み出される記憶媒体であって、
メディアコンテンツ及び当該メディアコンテンツの特徴に依存して適応的に制御された埋め込み強度で当該メディアコンテンツに埋め込まれた第1のウォーターマークを含むメディア信号と、前記適応的に制御された埋め込み強度を表す補助信号とが記憶され、
前記メディア信号及び前記補助信号は、前記読み出し手段によって読み出され、
読み出された前記補助信号が表す前記適応的に制御された埋め込み強度は、読み出された前記メディア信号に含まれる前記メディアコンテンツに第2のウォーターマークを埋め込む際に前記埋め込み手段によって用いられる、記憶媒体。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01204502 | 2001-11-23 | ||
PCT/IB2002/004485 WO2003044735A2 (en) | 2001-11-23 | 2002-10-24 | Watermark embedding |
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JP2005510160A JP2005510160A (ja) | 2005-04-14 |
JP2005510160A5 JP2005510160A5 (ja) | 2008-10-16 |
JP4213592B2 true JP4213592B2 (ja) | 2009-01-21 |
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JP2003546298A Expired - Fee Related JP4213592B2 (ja) | 2001-11-23 | 2002-10-24 | ウォーターマークの埋め込み |
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Country | Link |
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US (1) | US7779271B2 (ja) |
EP (1) | EP1451774B1 (ja) |
JP (1) | JP4213592B2 (ja) |
KR (1) | KR20040058311A (ja) |
CN (1) | CN1592917B (ja) |
AT (1) | ATE405898T1 (ja) |
AU (1) | AU2002339625A1 (ja) |
DE (1) | DE60228480D1 (ja) |
WO (1) | WO2003044735A2 (ja) |
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Publication number | Priority date | Publication date | Assignee | Title |
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US9609278B2 (en) | 2000-04-07 | 2017-03-28 | Koplar Interactive Systems International, Llc | Method and system for auxiliary data detection and delivery |
US7330511B2 (en) | 2003-08-18 | 2008-02-12 | Koplar Interactive Systems International, L.L.C. | Method and system for embedding device positional data in video signals |
KR100522049B1 (ko) * | 2003-11-14 | 2005-10-18 | 한국전자통신연구원 | 프레임 평균을 이용한 실시간 비디오 워터마크 삽입 및추출 방법 |
CN1306453C (zh) * | 2003-12-30 | 2007-03-21 | 中国人民解放军第一军医大学 | 离散拉当变换域中抗冲击性的图像水印嵌入与检测方法 |
EP1569223A1 (de) * | 2004-02-24 | 2005-08-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Sicheres und effizientes Erzeugen digitaler Wasserzeichen |
KR101067145B1 (ko) * | 2004-08-20 | 2011-09-22 | 주식회사 케이티 | 워터마킹 삽입/추출 장치 및 그 방법과 그를 이용한디지털 저작권 관리 시스템 및 그 방법 |
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2002
- 2002-10-24 EP EP02777674A patent/EP1451774B1/en not_active Expired - Lifetime
- 2002-10-24 US US10/495,952 patent/US7779271B2/en not_active Expired - Fee Related
- 2002-10-24 CN CN028233190A patent/CN1592917B/zh not_active Expired - Fee Related
- 2002-10-24 AT AT02777674T patent/ATE405898T1/de not_active IP Right Cessation
- 2002-10-24 WO PCT/IB2002/004485 patent/WO2003044735A2/en active IP Right Grant
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- 2002-10-24 KR KR10-2004-7007804A patent/KR20040058311A/ko not_active Application Discontinuation
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EP1451774A2 (en) | 2004-09-01 |
WO2003044735A3 (en) | 2003-10-09 |
JP2005510160A (ja) | 2005-04-14 |
DE60228480D1 (de) | 2008-10-02 |
CN1592917B (zh) | 2012-09-05 |
WO2003044735A2 (en) | 2003-05-30 |
KR20040058311A (ko) | 2004-07-03 |
US7779271B2 (en) | 2010-08-17 |
CN1592917A (zh) | 2005-03-09 |
AU2002339625A1 (en) | 2003-06-10 |
EP1451774B1 (en) | 2008-08-20 |
ATE405898T1 (de) | 2008-09-15 |
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