ATE312472T1 - Bildsignalwasserzeichendetektionssystem und verfahren - Google Patents

Bildsignalwasserzeichendetektionssystem und verfahren

Info

Publication number
ATE312472T1
ATE312472T1 AT02710255T AT02710255T ATE312472T1 AT E312472 T1 ATE312472 T1 AT E312472T1 AT 02710255 T AT02710255 T AT 02710255T AT 02710255 T AT02710255 T AT 02710255T AT E312472 T1 ATE312472 T1 AT E312472T1
Authority
AT
Austria
Prior art keywords
information signal
watermark
image signal
detection system
watermark detection
Prior art date
Application number
AT02710255T
Other languages
English (en)
Inventor
Antonius A C M Kalker
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE312472T1 publication Critical patent/ATE312472T1/de

Links

Classifications

    • 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
    • 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
    • G06T1/0071—Robust watermarking, e.g. average attack or collusion attack resistant using multiple or alternating watermarks
    • 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
    • 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
    • H04N1/32154—Transform domain methods
    • H04N1/3216—Transform domain methods using Fourier 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
    • H04N1/32288—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
    • 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
    • H04N1/32304—Embedding different sets of additional information
    • 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
    • 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
    • G06T2201/0203—Image watermarking whereby the image with embedded watermark is reverted to the original condition before embedding, e.g. lossless, distortion-free or invertible watermarking
    • 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
    • G06T2201/0601—Image watermarking whereby calibration information is embedded in the watermark, e.g. a grid, a scale, a list of transformations
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
  • Television Systems (AREA)
  • Eye Examination Apparatus (AREA)
  • Geophysics And Detection Of Objects (AREA)
AT02710255T 2001-02-13 2002-02-11 Bildsignalwasserzeichendetektionssystem und verfahren ATE312472T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP01200523 2001-02-13
PCT/IB2002/000414 WO2002065753A1 (en) 2001-02-13 2002-02-11 Method and arrangement for detecting a watermark in an information signal

Publications (1)

Publication Number Publication Date
ATE312472T1 true ATE312472T1 (de) 2005-12-15

Family

ID=8179890

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02710255T ATE312472T1 (de) 2001-02-13 2002-02-11 Bildsignalwasserzeichendetektionssystem und verfahren

Country Status (8)

Country Link
US (1) US7123743B2 (de)
EP (1) EP1362474B1 (de)
JP (1) JP2004519163A (de)
KR (1) KR20020089461A (de)
CN (1) CN1294738C (de)
AT (1) ATE312472T1 (de)
DE (1) DE60207822T2 (de)
WO (1) WO2002065753A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6614914B1 (en) * 1995-05-08 2003-09-02 Digimarc Corporation Watermark embedder and reader
US6952485B1 (en) 2000-09-11 2005-10-04 Digimarc Corporation Watermark encoding and decoding in imaging devices and imaging device interfaces
US6975745B2 (en) 2001-10-25 2005-12-13 Digimarc Corporation Synchronizing watermark detectors in geometrically distorted signals
AU2003281648A1 (en) * 2002-07-22 2004-02-09 Koninklijke Philips Electronics N.V. Watermark detection
JP4184406B2 (ja) 2003-10-10 2008-11-19 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ディジタル信号における電子透かしの検出
US7480393B2 (en) 2003-11-19 2009-01-20 Digimarc Corporation Optimized digital watermarking functions for streaming data
JP2008258807A (ja) * 2007-04-03 2008-10-23 Toshiba Corp 電子透かし検出装置、映像再生装置、映像複製装置、および電子透かし検出プログラム
US9749607B2 (en) 2009-07-16 2017-08-29 Digimarc Corporation Coordinated illumination and image signal capture for enhanced signal detection
US9635378B2 (en) 2015-03-20 2017-04-25 Digimarc Corporation Sparse modulation for robust signaling and synchronization
US10424038B2 (en) 2015-03-20 2019-09-24 Digimarc Corporation Signal encoding outside of guard band region surrounding text characters, including varying encoding strength
US9754341B2 (en) 2015-03-20 2017-09-05 Digimarc Corporation Digital watermarking and data hiding with narrow-band absorption materials
US10783601B1 (en) 2015-03-20 2020-09-22 Digimarc Corporation Digital watermarking and signal encoding with activable compositions
US11062108B2 (en) 2017-11-07 2021-07-13 Digimarc Corporation Generating and reading optical codes with variable density to adapt for visual quality and reliability
US10896307B2 (en) 2017-11-07 2021-01-19 Digimarc Corporation Generating and reading optical codes with variable density to adapt for visual quality and reliability
US10872392B2 (en) 2017-11-07 2020-12-22 Digimarc Corporation Generating artistic designs encoded with robust, machine-readable data

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6879701B1 (en) * 1994-10-21 2005-04-12 Digimarc Corporation Tile-based digital watermarking techniques
WO1999012331A2 (en) 1997-09-02 1999-03-11 Koninklijke Philips Electronics N.V. Watermarking an information signal
KR20010012214A (ko) 1998-03-04 2001-02-15 요트.게.아. 롤페즈 워터마크 검출 방법 및 장치
US6154571A (en) 1998-06-24 2000-11-28 Nec Research Institute, Inc. Robust digital watermarking
TW395133B (en) * 1998-07-15 2000-06-21 Koninkl Philips Electronics Nv Detection of a watermark in a compressed video signal
US6731774B1 (en) * 1998-11-30 2004-05-04 Sony Corporation Associated information adding apparatus and method, and associated information detecting apparatus and method
US6823455B1 (en) * 1999-04-08 2004-11-23 Intel Corporation Method for robust watermarking of content
US6282300B1 (en) * 2000-01-21 2001-08-28 Signafy, Inc. Rotation, scale, and translation resilient public watermarking for images using a log-polar fourier transform
US6792130B1 (en) * 2000-12-13 2004-09-14 Eastman Kodak Company System and method for embedding a watermark signal that contains message data in a digital image

Also Published As

Publication number Publication date
US7123743B2 (en) 2006-10-17
CN1294738C (zh) 2007-01-10
KR20020089461A (ko) 2002-11-29
EP1362474B1 (de) 2005-12-07
JP2004519163A (ja) 2004-06-24
CN1457590A (zh) 2003-11-19
US20040146177A1 (en) 2004-07-29
WO2002065753A1 (en) 2002-08-22
DE60207822D1 (de) 2006-01-12
EP1362474A1 (de) 2003-11-19
DE60207822T2 (de) 2006-08-17

Similar Documents

Publication Publication Date Title
ATE312472T1 (de) Bildsignalwasserzeichendetektionssystem und verfahren
DE60321658D1 (de) System zur Identifizierung eines gespreitzten Taktsignals
DE60139275D1 (de) Verfahren zur detektion von unbeweglichen objekten
DE102004064012B8 (de) Verfahren und Systeme zum Betreiben eines logischen Sensornetzwerks
TWI265724B (en) Electronic watermark embedding device, electronic watermark detection device, method thereof, and program
DE50114142D1 (de) Objektdetektionssystem
ATE402456T1 (de) Verfahren zur erfassung von wasserzeichen
TW200515290A (en) Tracking motion using an interference pattern
DK1905662T3 (da) Detektering af et jernbaneköretöj
DE60120048D1 (de) Verfahren zur Auswahl eines Objektes
DE602004003811T8 (de) Objektdetektionssystem und verfahren zum erkennen eines objekts
DE60233174D1 (de) Verfahren und system zur schätzung der position einer mobilen einrichtung
ATE341005T1 (de) Verfahren und vorrichtung zur durchführung einer signalkorrelation in mehreren auflösungen, zur mehrwegestörungsverminderung
DE50205041D1 (de) Verfahren zur Erfassung eines Differenzdruckes
FR2864731B1 (fr) Systeme de detection de rayonnements permettant un meilleur comptage d'evenements
DE50102545D1 (de) Sensoranordnung zur bilderkennung
ATE257596T1 (de) Erfassungssystem für sortiervorrichtung
DE60216085D1 (de) Erzeugung und detektion eines gegen wiederabtastung robusten wasserzeichens
DE60136176D1 (de) Verfahren zur signalgewinnung
DE602004028747D1 (de) Verfahren zum zählen von objekten in einer überwachten umgebung und vorrichtung dafür
EP1619873A4 (de) Vorrichtung und verfahren zur einbettung von wasserzeicheninformationen, vorrichtung und verfahren zur erkennung von wasserzeicheninformationen, dokument mit wasserzeichen
DE602004027185D1 (de) Positionsdetektor eines Positionsdetektionssystems
FR2854713B1 (fr) Systeme, procedes et applications de la telesurveillance et detection de la chute d'un sujet
FR2806835B1 (fr) Systeme de capteur/support destine notamment a la detection d'un rayonnement
DE69705742D1 (de) Verfahren zur optimierung der berührpunktserkennung eines kapazitiven berührungssensors

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties