AR018495A1 - Metodo y disposicion para detectar un filigrana, el metodo para retirarlo y el aparato que lo comprende - Google Patents
Metodo y disposicion para detectar un filigrana, el metodo para retirarlo y el aparato que lo comprendeInfo
- Publication number
- AR018495A1 AR018495A1 ARP980102442A ARP980102442A AR018495A1 AR 018495 A1 AR018495 A1 AR 018495A1 AR P980102442 A ARP980102442 A AR P980102442A AR P980102442 A ARP980102442 A AR P980102442A AR 018495 A1 AR018495 A1 AR 018495A1
- Authority
- AR
- Argentina
- Prior art keywords
- watermark
- filigrane
- appliance
- provision
- detect
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 238000001514 detection method Methods 0.000 abstract 1
Classifications
-
- 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
-
- 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
- G06T1/005—Robust watermarking, e.g. average attack or collusion attack resistant
- G06T1/0078—Robust watermarking, e.g. average attack or collusion attack resistant using multiple thresholds
-
- 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
-
- 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
-
- 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
- G06T2201/0065—Extraction of an embedded watermark; Reliable detection
-
- 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)
- Television Systems (AREA)
- Storage Device Security (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Burglar Alarm Systems (AREA)
Abstract
Un método para detectar un filigrana (w) fijado en una senal de informacion (q), comprendiendo los siguientes pasos: determinar una variable de decision(y) indicando hasta que punto dicho filigrana se encuentra presente de dicha senal; y generar unasenal de salida (D) indicando la deteccion de un filigrana sila variable de decision excede un umbral predeterminado (y2); caracterizado por el paso de generar de forma aleatoria dicha senal de salida para valores dedecision por debajo de dicho umbral (y2).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97201600 | 1997-05-29 | ||
EP97202276 | 1997-07-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
AR018495A1 true AR018495A1 (es) | 2001-11-28 |
Family
ID=26146531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP980102442A AR018495A1 (es) | 1997-05-29 | 1998-05-27 | Metodo y disposicion para detectar un filigrana, el metodo para retirarlo y el aparato que lo comprende |
Country Status (10)
Country | Link |
---|---|
US (2) | US6415040B1 (es) |
EP (1) | EP0920775A2 (es) |
JP (1) | JP2000516074A (es) |
KR (1) | KR20000029626A (es) |
CN (1) | CN1249106A (es) |
AR (1) | AR018495A1 (es) |
BR (1) | BR9804930A (es) |
CZ (1) | CZ26499A3 (es) |
IL (1) | IL128233A0 (es) |
WO (1) | WO1998054897A2 (es) |
Families Citing this family (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6516079B1 (en) * | 2000-02-14 | 2003-02-04 | Digimarc Corporation | Digital watermark screening and detecting strategies |
US20020136429A1 (en) * | 1994-03-17 | 2002-09-26 | John Stach | Data hiding through arrangement of objects |
US6116707A (en) * | 1997-12-18 | 2000-09-12 | Electronics For Imaging, Inc. | Robotic plotter system |
WO1999045704A2 (en) * | 1998-03-04 | 1999-09-10 | Koninklijke Philips Electronics N.V. | Watermark detection |
US7644282B2 (en) | 1998-05-28 | 2010-01-05 | Verance Corporation | Pre-processed information embedding system |
US6601046B1 (en) | 1999-03-25 | 2003-07-29 | Koninklijke Philips Electronics N.V. | Usage dependent ticket to protect copy-protected material |
JP2003524932A (ja) * | 1999-04-06 | 2003-08-19 | クワン・ソフトウェア・エンジニアリング・インコーポレーテッド | ファイルを取外し可能なマークでデジタル的にマーキングするためのシステムおよび方法 |
US6792535B1 (en) | 1999-04-06 | 2004-09-14 | Kwan Software Engineering, Inc. | System and method for digitally marking a file with a removable mark |
US6434701B1 (en) | 1999-04-06 | 2002-08-13 | Kwan Software Engineering, Inc. | System and method for digitally marking a file |
IT1308273B1 (it) * | 1999-04-16 | 2001-12-10 | Univ Firenze | Metodo di rilevazione di un marchio in immagini digitali |
US6754365B1 (en) * | 2000-02-16 | 2004-06-22 | Eastman Kodak Company | Detecting embedded information in images |
US6737957B1 (en) | 2000-02-16 | 2004-05-18 | Verance Corporation | Remote control signaling using audio watermarks |
US7111168B2 (en) * | 2000-05-01 | 2006-09-19 | Digimarc Corporation | Digital watermarking systems |
US6751335B1 (en) | 2000-11-01 | 2004-06-15 | Eastman Kodak Company | Method for generating a dispersed message for data embedding |
CN1331142C (zh) * | 2001-07-06 | 2007-08-08 | 皇家菲利浦电子有限公司 | 用于保护存储在信息载体上的内容的方法 |
GB2383148A (en) * | 2001-12-13 | 2003-06-18 | Sony Uk Ltd | Watermarking |
US7321667B2 (en) * | 2002-01-18 | 2008-01-22 | Digimarc Corporation | Data hiding through arrangement of objects |
US6766045B2 (en) * | 2002-03-11 | 2004-07-20 | Digital Verification Ltd. | Currency verification |
KR100484230B1 (ko) * | 2002-03-22 | 2005-04-20 | 김태정 | 안전성이 개선된 비대칭 디지털 워터마킹 방법 |
KR100484231B1 (ko) * | 2002-03-27 | 2005-04-20 | 김태정 | 민감도 공격에 대한 저항능력이 개선된 디지털 워터마크검출방법 및 시스템 |
JP2003304388A (ja) * | 2002-04-11 | 2003-10-24 | Sony Corp | 付加情報検出処理装置、コンテンツ再生処理装置、および方法、並びにコンピュータ・プログラム |
JP2004274092A (ja) * | 2002-07-23 | 2004-09-30 | Ricoh Co Ltd | 画像処理装置、画像処理方法、画像処理プログラム、及び画像処理プログラムを記憶する記憶媒体 |
CA2499967A1 (en) | 2002-10-15 | 2004-04-29 | Verance Corporation | Media monitoring, management and information system |
US9055239B2 (en) | 2003-10-08 | 2015-06-09 | Verance Corporation | Signal continuity assessment using embedded watermarks |
US7369677B2 (en) | 2005-04-26 | 2008-05-06 | Verance Corporation | System reactions to the detection of embedded watermarks in a digital host content |
US20060239501A1 (en) | 2005-04-26 | 2006-10-26 | Verance Corporation | Security enhancements of digital watermarks for multi-media content |
US7616776B2 (en) | 2005-04-26 | 2009-11-10 | Verance Corproation | Methods and apparatus for enhancing the robustness of watermark extraction from digital host content |
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 |
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 |
CN100416595C (zh) * | 2006-11-03 | 2008-09-03 | 北京启明星辰信息技术有限公司 | 一种数字水印泛化盲检测系统及检测方法 |
DE102008014311A1 (de) * | 2008-03-14 | 2009-09-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Einbetter zum Einbetten eines Wasserzeichens in eine Informationsdarstellung, Detektor zum Detektieren eines Wasserzeichens in einer Informationsdarstellung, Verfahren, Computerprogramm und Informationssignal |
DE102008014409A1 (de) | 2008-03-14 | 2009-09-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Einbetter zum Einbetten eines Wasserzeichens in eine Informationsdarstellung, Detektor zum Detektieren eines Wasserzeichens in einer Informationsdarstellung, Verfahren und Computerprogramm |
US8259938B2 (en) | 2008-06-24 | 2012-09-04 | Verance Corporation | Efficient and secure forensic marking in compressed |
KR101005433B1 (ko) * | 2008-09-22 | 2011-01-05 | 주식회사 마크애니 | 워터마크 존재 여부를 검출하고 워터마크를 삽입하는 방법 및 그 시스템 |
US8838977B2 (en) | 2010-09-16 | 2014-09-16 | Verance Corporation | Watermark extraction and content screening in a networked environment |
US8682026B2 (en) | 2011-11-03 | 2014-03-25 | Verance Corporation | Efficient extraction of embedded watermarks in the presence of host content distortions |
US8533481B2 (en) | 2011-11-03 | 2013-09-10 | Verance Corporation | Extraction of embedded watermarks from a host content based on extrapolation techniques |
US8923548B2 (en) | 2011-11-03 | 2014-12-30 | Verance Corporation | Extraction of embedded watermarks from a host content using a plurality of tentative watermarks |
US8615104B2 (en) | 2011-11-03 | 2013-12-24 | Verance Corporation | Watermark extraction based on tentative watermarks |
US8745403B2 (en) | 2011-11-23 | 2014-06-03 | Verance Corporation | Enhanced content management based on watermark extraction records |
US9323902B2 (en) | 2011-12-13 | 2016-04-26 | Verance Corporation | Conditional access using embedded watermarks |
US9547753B2 (en) | 2011-12-13 | 2017-01-17 | Verance Corporation | Coordinated watermarking |
US9571606B2 (en) | 2012-08-31 | 2017-02-14 | Verance Corporation | Social media viewing system |
US8869222B2 (en) | 2012-09-13 | 2014-10-21 | Verance Corporation | Second screen content |
US9106964B2 (en) | 2012-09-13 | 2015-08-11 | Verance Corporation | Enhanced content distribution using advertisements |
US8726304B2 (en) | 2012-09-13 | 2014-05-13 | Verance Corporation | Time varying evaluation of multimedia content |
US9262793B2 (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 |
JP2017514345A (ja) | 2014-03-13 | 2017-06-01 | ベランス・コーポレイション | 埋め込みコードを用いた対話型コンテンツ取得 |
CN110278439A (zh) * | 2019-06-28 | 2019-09-24 | 北京云摄美网络科技有限公司 | 基于帧间预测的去水印算法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69033327T2 (de) * | 1989-02-10 | 2000-04-13 | Canon Kk | Gerät zum Lesen oder Verarbeiten eines Bildes |
US5748783A (en) * | 1995-05-08 | 1998-05-05 | Digimarc Corporation | Method and apparatus for robust information coding |
US5606609A (en) * | 1994-09-19 | 1997-02-25 | Scientific-Atlanta | Electronic document verification system and method |
DE69625626T2 (de) * | 1995-05-08 | 2003-10-16 | Digimarc Corp | Verbindungsherstellung zwischen Computern beruhend auf der Dekodierung einer steganographisch in einem Audioobjekt eingebetteten Adresse |
EP0766468B1 (en) * | 1995-09-28 | 2006-05-03 | Nec Corporation | Method and system for inserting a spread spectrum watermark into multimedia data |
KR100465359B1 (ko) * | 1995-10-04 | 2005-04-06 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 디지털부호화비디오및/또는오디오신호의원터마킹방법및장치,그의검출방법및장치,및그의기록매체 |
WO1998003014A1 (en) * | 1996-07-16 | 1998-01-22 | Philips Electronics N.V. | Detecting a watermark embedded in an information signal |
US6226387B1 (en) * | 1996-08-30 | 2001-05-01 | Regents Of The University Of Minnesota | Method and apparatus for scene-based video watermarking |
-
1998
- 1998-05-11 BR BR9804930-5A patent/BR9804930A/pt not_active IP Right Cessation
- 1998-05-11 CZ CZ99264A patent/CZ26499A3/cs unknown
- 1998-05-11 CN CN98801077A patent/CN1249106A/zh active Pending
- 1998-05-11 EP EP98917489A patent/EP0920775A2/en not_active Withdrawn
- 1998-05-11 KR KR1019997000695A patent/KR20000029626A/ko not_active Application Discontinuation
- 1998-05-11 JP JP10529457A patent/JP2000516074A/ja active Pending
- 1998-05-11 IL IL12823398A patent/IL128233A0/xx unknown
- 1998-05-11 WO PCT/IB1998/000692 patent/WO1998054897A2/en not_active Application Discontinuation
- 1998-05-20 US US09/082,446 patent/US6415040B1/en not_active Expired - Fee Related
- 1998-05-27 AR ARP980102442A patent/AR018495A1/es not_active Application Discontinuation
-
2002
- 2002-05-09 US US10/142,588 patent/US20020168088A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2000516074A (ja) | 2000-11-28 |
US20020168088A1 (en) | 2002-11-14 |
KR20000029626A (ko) | 2000-05-25 |
WO1998054897A2 (en) | 1998-12-03 |
IL128233A0 (en) | 1999-11-30 |
WO1998054897A3 (en) | 1999-03-04 |
BR9804930A (pt) | 1999-09-08 |
CN1249106A (zh) | 2000-03-29 |
EP0920775A2 (en) | 1999-06-09 |
CZ26499A3 (cs) | 1999-09-15 |
US6415040B1 (en) | 2002-07-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FA | Abandonment or withdrawal |