CA2422412A1 - Halftone watermarking and related applications - Google Patents

Halftone watermarking and related applications Download PDF

Info

Publication number
CA2422412A1
CA2422412A1 CA002422412A CA2422412A CA2422412A1 CA 2422412 A1 CA2422412 A1 CA 2422412A1 CA 002422412 A CA002422412 A CA 002422412A CA 2422412 A CA2422412 A CA 2422412A CA 2422412 A1 CA2422412 A1 CA 2422412A1
Authority
CA
Canada
Prior art keywords
image
watermark
halftone
signal
values
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.)
Abandoned
Application number
CA002422412A
Other languages
English (en)
French (fr)
Inventor
Hugh L. Brunk
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.)
Digimarc Corp
Original Assignee
Individual
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
Priority claimed from US09/689,226 external-priority patent/US6694041B1/en
Priority claimed from US09/840,016 external-priority patent/US6760464B2/en
Priority claimed from US09/938,870 external-priority patent/US7246239B2/en
Application filed by Individual filed Critical Individual
Publication of CA2422412A1 publication Critical patent/CA2422412A1/en
Abandoned legal-status Critical Current

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
    • G06T1/0071—Robust watermarking, e.g. average attack or collusion attack resistant using multiple or alternating watermarks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems
    • 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/4425—Monitoring of client processing errors or hardware failure
    • 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
    • G06T2201/0051—Embedding of the watermark in the spatial domain

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Evolutionary Computation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Evolutionary Biology (AREA)
  • Artificial Intelligence (AREA)
  • Computer Security & Cryptography (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
CA002422412A 2000-10-11 2001-10-10 Halftone watermarking and related applications Abandoned CA2422412A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US09/689,226 US6694041B1 (en) 2000-10-11 2000-10-11 Halftone watermarking and related applications
US09/689,226 2000-10-11
US09/840,016 US6760464B2 (en) 2000-10-11 2001-04-20 Halftone watermarking and related applications
US09/840,016 2001-04-20
US09/938,870 2001-08-23
US09/938,870 US7246239B2 (en) 2001-01-24 2001-08-23 Digital watermarks for checking authenticity of printed objects
PCT/US2001/031784 WO2002031752A1 (en) 2000-10-11 2001-10-10 Halftone watermarking and related applications

Publications (1)

Publication Number Publication Date
CA2422412A1 true CA2422412A1 (en) 2002-04-18

Family

ID=27418513

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002422412A Abandoned CA2422412A1 (en) 2000-10-11 2001-10-10 Halftone watermarking and related applications

Country Status (6)

Country Link
EP (1) EP1325464A1 (ja)
JP (2) JP4199540B2 (ja)
KR (1) KR20030051712A (ja)
AU (1) AU2002211634A1 (ja)
CA (1) CA2422412A1 (ja)
WO (1) WO2002031752A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11677894B2 (en) 2021-03-11 2023-06-13 Canon Kabushiki Kaisha Information processing apparatus, image processing method, and medium
US11818319B2 (en) 2021-03-11 2023-11-14 Canon Kabushiki Kaisha Information processing apparatus, image processing method, and medium
US11973903B2 (en) 2021-03-11 2024-04-30 Canon Kabushiki Kaisha Image processing system and image processing method with determination, for each of divided areas, as to which of read image data or original image data is used in correcting original image data

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2424480T3 (es) * 2002-05-14 2013-10-02 Schreiner Group Gmbh & Co. Kg Patrones de autenticación visibles para documento impreso
KR100814029B1 (ko) * 2006-03-30 2008-03-14 순천향대학교 산학협력단 하프톤 영상에서의 디지털 워터마킹 방법
US7925045B2 (en) * 2007-09-10 2011-04-12 Konica Minolta Systems Laboratory, Inc. Determining document authenticity in a closed-loop process
US8451501B2 (en) * 2010-12-13 2013-05-28 Xerox Corporation Watermark decoding via spectral analysis of pixel spacing
US8594453B2 (en) 2011-08-18 2013-11-26 Hewlett-Packard Development Company, L.P. Method of robust alignment and payload recovery for data-bearing images
US8970910B2 (en) * 2011-12-07 2015-03-03 Xerox Corporation Visible and invisible watermarking of printed images via 2nd generation stochastic seed frequency modulation
US9373032B2 (en) 2012-02-09 2016-06-21 Hewlett-Packard Development Company, L.P. Forensic verification utilizing forensic markings inside halftones
CN104094286B (zh) * 2012-02-09 2018-06-05 惠普发展公司，有限责任合伙企业 来自半色调图像的取证验证
US9361516B2 (en) 2012-02-09 2016-06-07 Hewlett-Packard Development Company, L.P. Forensic verification utilizing halftone boundaries
ES2664722T3 (es) 2012-03-01 2018-04-23 Sys-Tech Solutions, Inc. Información de identificación única de rasgos marcados
US20150379321A1 (en) 2012-03-01 2015-12-31 Sys-Tech Solutions, Inc. Methods and a system for verifying the authenticity of a mark
US20150169928A1 (en) 2012-03-01 2015-06-18 Sys-Tech Solutions, Inc. Methods and a system for verifying the identity of a printed item
KR101817153B1 (ko) 2015-01-28 2018-01-11 한국전자통신연구원 기하학적 왜곡에 강인한 점 기반 정보를 사용하는 정보 삽입 방법, 정보 추출 방법 및 정보 추출 장치
US9940572B2 (en) 2015-02-17 2018-04-10 Sys-Tech Solutions, Inc. Methods and a computing device for determining whether a mark is genuine
JP6439056B2 (ja) 2015-06-16 2018-12-19 シス−テック ソリューションズ，インコーポレイテッド マークが真正であるかどうかを判定する方法及びコンピューティング装置
RU2682407C1 (ru) 2016-03-14 2019-03-19 Сис-Тек Солюшнз, Инк. Способы и вычислительное устройство для определения, является ли маркер подлинным
US9986202B2 (en) 2016-03-28 2018-05-29 Microsoft Technology Licensing, Llc Spectrum pre-shaping in video
JP2022126334A (ja) 2021-02-18 2022-08-30 キヤノン株式会社 画像処理装置、画像処理方法及びプログラム
JP2022126367A (ja) 2021-02-18 2022-08-30 キヤノン株式会社 画像処理装置、画像処理方法及びプログラム

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5875249A (en) * 1997-01-08 1999-02-23 International Business Machines Corporation Invisible image watermark for image verification
US6252971B1 (en) * 1998-04-29 2001-06-26 Xerox Corporation Digital watermarking using phase-shifted stoclustic screens

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11677894B2 (en) 2021-03-11 2023-06-13 Canon Kabushiki Kaisha Information processing apparatus, image processing method, and medium
US11818319B2 (en) 2021-03-11 2023-11-14 Canon Kabushiki Kaisha Information processing apparatus, image processing method, and medium
US11973903B2 (en) 2021-03-11 2024-04-30 Canon Kabushiki Kaisha Image processing system and image processing method with determination, for each of divided areas, as to which of read image data or original image data is used in correcting original image data

Also Published As

Publication number Publication date
AU2002211634A1 (en) 2002-04-22
JP4199540B2 (ja) 2008-12-17
EP1325464A1 (en) 2003-07-09
KR20030051712A (ko) 2003-06-25
JP2004511938A (ja) 2004-04-15
JP2006270972A (ja) 2006-10-05
WO2002031752A1 (en) 2002-04-18
JP4187749B2 (ja) 2008-11-26

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued