GB201404959D0 - Steganographic document alteration - Google Patents

Steganographic document alteration

Info

Publication number
GB201404959D0
GB201404959D0 GBGB1404959.7A GB201404959A GB201404959D0 GB 201404959 D0 GB201404959 D0 GB 201404959D0 GB 201404959 A GB201404959 A GB 201404959A GB 201404959 D0 GB201404959 D0 GB 201404959D0
Authority
GB
United Kingdom
Prior art keywords
steganographic
document alteration
alteration
document
steganographic document
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.)
Granted
Application number
GBGB1404959.7A
Other versions
GB2524724A (en
GB2524724B (en
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.)
Omarco Network Solutions Ltd
Original Assignee
Omarco Network Solutions Ltd
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 Omarco Network Solutions Ltd filed Critical Omarco Network Solutions Ltd
Priority to GB1404959.7A priority Critical patent/GB2524724B/en
Publication of GB201404959D0 publication Critical patent/GB201404959D0/en
Priority to PCT/GB2015/050813 priority patent/WO2015140562A1/en
Publication of GB2524724A publication Critical patent/GB2524724A/en
Application granted granted Critical
Publication of GB2524724B publication Critical patent/GB2524724B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04N1/32219—Spatial or amplitude domain methods involving changing the position of selected pixels, e.g. word shifting, or involving modulating the size of image components, e.g. of characters
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/16—Program or content traceability, e.g. by watermarking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D1/00—Books or other bound products
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07D—HANDLING OF COINS OR VALUABLE PAPERS, e.g. TESTING, SORTING BY DENOMINATIONS, COUNTING, DISPENSING, CHANGING OR DEPOSITING
    • G07D7/00—Testing specially adapted to determine the identity or genuineness of valuable papers or for segregating those which are unacceptable, e.g. banknotes that are alien to a currency
    • G07D7/005—Testing security markings invisible to the naked eye, e.g. verifying thickened lines or unobtrusive markings or alterations
    • 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
    • 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
    • H04N1/3232—Robust embedding or watermarking

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Technology Law (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Editing Of Facsimile Originals (AREA)
GB1404959.7A 2014-03-19 2014-03-19 Steganographic document alteration Active GB2524724B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1404959.7A GB2524724B (en) 2014-03-19 2014-03-19 Steganographic document alteration
PCT/GB2015/050813 WO2015140562A1 (en) 2014-03-19 2015-03-19 Steganographic document alteration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1404959.7A GB2524724B (en) 2014-03-19 2014-03-19 Steganographic document alteration

Publications (3)

Publication Number Publication Date
GB201404959D0 true GB201404959D0 (en) 2014-04-30
GB2524724A GB2524724A (en) 2015-10-07
GB2524724B GB2524724B (en) 2021-07-07

Family

ID=50635075

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1404959.7A Active GB2524724B (en) 2014-03-19 2014-03-19 Steganographic document alteration

Country Status (2)

Country Link
GB (1) GB2524724B (en)
WO (1) WO2015140562A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110832480B (en) 2019-05-20 2023-10-17 创新先进技术有限公司 Copyright protection based on hidden copyright information
WO2019144978A2 (en) 2019-05-20 2019-08-01 Alibaba Group Holding Limited Identifying copyrighted material using embedded copyright information
EP3673393B1 (en) 2019-05-20 2021-09-29 Advanced New Technologies Co., Ltd. Identifying copyrighted material using embedded copyright information
SG11202002013SA (en) 2019-05-20 2020-04-29 Alibaba Group Holding Ltd Identifying copyrighted material using embedded copyright information

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE114850T1 (en) * 1988-02-11 1994-12-15 Vogel Peter S MARKING SYSTEM FOR DOCUMENTS.
US5467447A (en) * 1990-07-24 1995-11-14 Vogel; Peter S. Document marking system employing context-sensitive embedded marking codes
EP0629972A3 (en) * 1993-04-23 1995-05-24 Hewlett Packard Co Method and apparatus for embedding identification codes in printed documents.
US6086706A (en) * 1993-12-20 2000-07-11 Lucent Technologies Inc. Document copying deterrent method
US7286684B2 (en) * 1994-03-17 2007-10-23 Digimarc Corporation Secure document design carrying auxiliary machine readable information
US8014557B2 (en) * 2003-06-23 2011-09-06 Digimarc Corporation Watermarking electronic text documents
JP4532331B2 (en) * 2004-12-08 2010-08-25 株式会社リコー Information embedding device, information extracting device, information embedding method, information extracting method, information embedding program, and information extracting program
SG155791A1 (en) * 2008-03-18 2009-10-29 Radiantrust Pte Ltd Method for embedding covert data in a text document using character rotation

Also Published As

Publication number Publication date
GB2524724A (en) 2015-10-07
WO2015140562A1 (en) 2015-09-24
GB2524724B (en) 2021-07-07

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