WO2001095239A3 - Using classification techniques in digital watermarking - Google Patents

Using classification techniques in digital watermarking Download PDF

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Publication number
WO2001095239A3
WO2001095239A3 PCT/US2001/017685 US0117685W WO0195239A3 WO 2001095239 A3 WO2001095239 A3 WO 2001095239A3 US 0117685 W US0117685 W US 0117685W WO 0195239 A3 WO0195239 A3 WO 0195239A3
Authority
WO
WIPO (PCT)
Prior art keywords
watermark
samples
signal
merit
estimate
Prior art date
Application number
PCT/US2001/017685
Other languages
French (fr)
Other versions
WO2001095239A2 (en
Inventor
Hugh L Brunk
Original Assignee
Digimarc Corp
Hugh L Brunk
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 Digimarc Corp, Hugh L Brunk filed Critical Digimarc Corp
Priority to AU2001275084A priority Critical patent/AU2001275084A1/en
Publication of WO2001095239A2 publication Critical patent/WO2001095239A2/en
Publication of WO2001095239A3 publication Critical patent/WO2001095239A3/en

Links

Classifications

    • 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
    • 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

Abstract

A classification scheme assigns samples of the watermarked media to classes based on a classification criteria indicating a likely presence of a watermarked signal (100). Once classified (104), the scheme models a statistical distribution (106) of the samples in each class. It then assigns a figure of merit to the samples in each class. A watermark detector and reader use the figure of merit to give greater weight to samples that are more likely to contain a watermark signal. Alternatively, the statistical distributions of the classes may be used to derive an estimate of a watermark signal in a pre-filtering stage of a watermark decoder. The watermark decoder then extracts a message from the estimate of the watermark signal.
PCT/US2001/017685 2000-06-02 2001-05-31 Using classification techniques in digital watermarking WO2001095239A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001275084A AU2001275084A1 (en) 2000-06-02 2001-05-31 Using classification techniques in digital watermarking

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/587,493 US7508944B1 (en) 2000-06-02 2000-06-02 Using classification techniques in digital watermarking
US09/587,493 2000-06-02

Publications (2)

Publication Number Publication Date
WO2001095239A2 WO2001095239A2 (en) 2001-12-13
WO2001095239A3 true WO2001095239A3 (en) 2002-03-28

Family

ID=24350022

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2001/017685 WO2001095239A2 (en) 2000-06-02 2001-05-31 Using classification techniques in digital watermarking

Country Status (3)

Country Link
US (2) US7508944B1 (en)
AU (1) AU2001275084A1 (en)
WO (1) WO2001095239A2 (en)

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KR100849436B1 (en) * 2004-12-13 2008-07-30 한국전자통신연구원 Method and System for selecting test video data used to evaluate the performance of video watermarking methods
US20090010483A1 (en) * 2007-07-02 2009-01-08 The Hong Kong University Of Science And Technology Block-based lossless data hiding in the delta domain
US20090060257A1 (en) * 2007-08-29 2009-03-05 Korea Advanced Institute Of Science And Technology Watermarking method resistant to geometric attack in wavelet transform domain
US20110052087A1 (en) * 2009-08-27 2011-03-03 Debargha Mukherjee Method and system for coding images
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US9401153B2 (en) 2012-10-15 2016-07-26 Digimarc Corporation Multi-mode audio recognition and auxiliary data encoding and decoding
US9305559B2 (en) 2012-10-15 2016-04-05 Digimarc Corporation Audio watermark encoding with reversing polarity and pairwise embedding
US20200410312A1 (en) * 2018-02-08 2020-12-31 Digimarc Corporation Methods and arrangements for localizing machine-readable indicia
US10958807B1 (en) 2018-02-08 2021-03-23 Digimarc Corporation Methods and arrangements for configuring retail scanning systems

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US5613004A (en) * 1995-06-07 1997-03-18 The Dice Company Steganographic method and device
US5664018A (en) * 1996-03-12 1997-09-02 Leighton; Frank Thomson Watermarking process resilient to collusion attacks
US6154571A (en) * 1998-06-24 2000-11-28 Nec Research Institute, Inc. Robust digital watermarking

Also Published As

Publication number Publication date
US20100074466A1 (en) 2010-03-25
US7958365B2 (en) 2011-06-07
AU2001275084A1 (en) 2001-12-17
US7508944B1 (en) 2009-03-24
WO2001095239A2 (en) 2001-12-13

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