WO1999045706A3 - Watermark detection - Google Patents

Watermark detection Download PDF

Info

Publication number
WO1999045706A3
WO1999045706A3 PCT/IB1999/000358 IB9900358W WO9945706A3 WO 1999045706 A3 WO1999045706 A3 WO 1999045706A3 IB 9900358 W IB9900358 W IB 9900358W WO 9945706 A3 WO9945706 A3 WO 9945706A3
Authority
WO
WIPO (PCT)
Prior art keywords
watermark
detecting
information signal
standard deviation
watermark detection
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.)
Ceased
Application number
PCT/IB1999/000358
Other languages
French (fr)
Other versions
WO1999045706A2 (en
Inventor
Antonius A C M Kalker
Jaap A Haitsma
Maurice J J J-B Maes
Geert F G Depovere
Johan P M G Linnartz
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.)
Koninklijke Philips NV
Philips AB
Philips Svenska AB
Original Assignee
Koninklijke Philips Electronics NV
Philips AB
Philips Svenska AB
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8233435&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO1999045706(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Koninklijke Philips Electronics NV, Philips AB, Philips Svenska AB filed Critical Koninklijke Philips Electronics NV
Priority to PL99336841A priority Critical patent/PL336841A1/en
Priority to US09/423,276 priority patent/US6477431B1/en
Priority to JP54444999A priority patent/JP4364948B2/en
Priority to DE69940375T priority patent/DE69940375D1/en
Priority to KR1019997010195A priority patent/KR100614425B1/en
Priority to EP99903872A priority patent/EP0981902B1/en
Publication of WO1999045706A2 publication Critical patent/WO1999045706A2/en
Publication of WO1999045706A3 publication Critical patent/WO1999045706A3/en
Anticipated expiration legal-status Critical
Ceased 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
    • G06T1/005—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/28—Arrangements for simultaneous broadcast of plural pieces of information
    • H04H20/30—Arrangements for simultaneous broadcast of plural pieces of information by a single channel
    • H04H20/31—Arrangements for simultaneous broadcast of plural pieces of information by a single channel using in-band signals, e.g. subsonic or cue signal
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H2201/00—Aspects of broadcast communication
    • H04H2201/50—Aspects of broadcast communication characterised by the use of watermarks
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
  • Television Systems (AREA)
  • Burglar Alarm Systems (AREA)
  • Image Analysis (AREA)
  • Holo Graphy (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Inspection Of Paper Currency And Valuable Securities (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Traffic Control Systems (AREA)
  • Storage Device Security (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Television Signal Processing For Recording (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Stereo-Broadcasting Methods (AREA)

Abstract

A method and arrangement for detecting a watermark in an information signal is disclosed. The method comprises the steps of computing (24-28, 30) the correlation (dk) of said watermark (Wi) and said information signal (e.g. an image Q) for a plurality of positions (k) of said watermark with respect to said information signal, and detecting (29) whether at least one of the respective correlation values exceeds a given threshold. The step of detecting (29) comprises determining the standard deviation (σd) of the respective correlation values (dk), and setting the threshold to a given multiple (T) of said standard deviation. The multiple (T) is derived from a desired false alarm rate (watermark detected when there is none, or no watermark detected when there is one).
PCT/IB1999/000358 1998-03-04 1999-03-02 Watermark detection Ceased WO1999045706A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
PL99336841A PL336841A1 (en) 1998-03-04 1999-03-02 Watermark detection
US09/423,276 US6477431B1 (en) 1998-03-04 1999-03-02 Watermark detection
JP54444999A JP4364948B2 (en) 1998-03-04 1999-03-02 Watermark detection
DE69940375T DE69940375D1 (en) 1998-03-04 1999-03-02 DETECTION OF WATERMARK
KR1019997010195A KR100614425B1 (en) 1998-03-04 1999-03-02 Watermark detection method and apparatus
EP99903872A EP0981902B1 (en) 1998-03-04 1999-03-02 Watermark detection

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP98200656 1998-03-04
EP98200656.1 1998-03-04

Publications (2)

Publication Number Publication Date
WO1999045706A2 WO1999045706A2 (en) 1999-09-10
WO1999045706A3 true WO1999045706A3 (en) 1999-11-25

Family

ID=8233435

Family Applications (4)

Application Number Title Priority Date Filing Date
PCT/IB1999/000293 Ceased WO1999045704A2 (en) 1998-03-04 1999-02-18 Watermark detection
PCT/IB1999/000359 Ceased WO1999045707A2 (en) 1998-03-04 1999-03-02 Watermark detection
PCT/IB1999/000348 Ceased WO1999045705A2 (en) 1998-03-04 1999-03-02 Embedding auxiliary data in a signal
PCT/IB1999/000358 Ceased WO1999045706A2 (en) 1998-03-04 1999-03-02 Watermark detection

Family Applications Before (3)

Application Number Title Priority Date Filing Date
PCT/IB1999/000293 Ceased WO1999045704A2 (en) 1998-03-04 1999-02-18 Watermark detection
PCT/IB1999/000359 Ceased WO1999045707A2 (en) 1998-03-04 1999-03-02 Watermark detection
PCT/IB1999/000348 Ceased WO1999045705A2 (en) 1998-03-04 1999-03-02 Embedding auxiliary data in a signal

Country Status (14)

Country Link
US (6) US6971011B1 (en)
EP (4) EP0981900A2 (en)
JP (4) JP2001525151A (en)
KR (4) KR20010012214A (en)
CN (4) CN1153456C (en)
AT (3) ATE388582T1 (en)
AU (1) AU2437499A (en)
BR (1) BR9904848A (en)
DE (3) DE69938278T2 (en)
ES (1) ES2297919T3 (en)
ID (1) ID23884A (en)
PL (2) PL336841A1 (en)
RU (2) RU2222114C2 (en)
WO (4) WO1999045704A2 (en)

Cited By (15)

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US7643649B2 (en) 1993-11-18 2010-01-05 Digimarc Corporation Integrating digital watermarks in multimedia content
US8838977B2 (en) 2010-09-16 2014-09-16 Verance Corporation Watermark extraction and content screening in a networked environment
US8869222B2 (en) 2012-09-13 2014-10-21 Verance Corporation Second screen content
US8923548B2 (en) 2011-11-03 2014-12-30 Verance Corporation Extraction of embedded watermarks from a host content using a plurality of tentative watermarks
US9106964B2 (en) 2012-09-13 2015-08-11 Verance Corporation Enhanced content distribution using advertisements
US9117270B2 (en) 1998-05-28 2015-08-25 Verance Corporation Pre-processed information embedding system
US9153006B2 (en) 2005-04-26 2015-10-06 Verance Corporation Circumvention of watermark analysis in a host content
US9189955B2 (en) 2000-02-16 2015-11-17 Verance Corporation Remote control signaling using audio watermarks
US9208334B2 (en) 2013-10-25 2015-12-08 Verance Corporation Content management using multiple abstraction layers
US9251549B2 (en) 2013-07-23 2016-02-02 Verance Corporation Watermark extractor enhancements based on payload ranking
US9262794B2 (en) 2013-03-14 2016-02-16 Verance Corporation Transactional video marking system
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
US9596521B2 (en) 2014-03-13 2017-03-14 Verance Corporation Interactive content acquisition using embedded codes

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