GB2402574B - Method of recovering a watermark from a compressed image - Google Patents

Method of recovering a watermark from a compressed image

Info

Publication number
GB2402574B
GB2402574B GB0419833A GB0419833A GB2402574B GB 2402574 B GB2402574 B GB 2402574B GB 0419833 A GB0419833 A GB 0419833A GB 0419833 A GB0419833 A GB 0419833A GB 2402574 B GB2402574 B GB 2402574B
Authority
GB
United Kingdom
Prior art keywords
watermark
recovering
compressed image
compressed
image
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.)
Expired - Fee Related
Application number
GB0419833A
Other versions
GB0419833D0 (en
GB2402574A (en
Inventor
Tinku Acharya
Kannan Raj
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.)
Intel Corp
Original Assignee
Intel Corp
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 US09/519,135 external-priority patent/US6449380B1/en
Application filed by Intel Corp filed Critical Intel Corp
Publication of GB0419833D0 publication Critical patent/GB0419833D0/en
Publication of GB2402574A publication Critical patent/GB2402574A/en
Application granted granted Critical
Publication of GB2402574B publication Critical patent/GB2402574B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G06T1/0028—Adaptive watermarking, e.g. Human Visual System [HVS]-based watermarking
    • G06T1/0035—Output size adaptive watermarking
    • 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
    • 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
    • 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
    • G06T2201/0053—Embedding of the watermark in the coding stream, possibly without decoding; Embedding of the watermark in the compressed domain

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
GB0419833A 2000-03-06 2001-01-18 Method of recovering a watermark from a compressed image Expired - Fee Related GB2402574B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/519,135 US6449380B1 (en) 2000-03-06 2000-03-06 Method of integrating a watermark into a compressed image
GB0222973A GB2377113B (en) 2000-03-06 2001-01-18 Method of integrating a watermark into a compressed image

Publications (3)

Publication Number Publication Date
GB0419833D0 GB0419833D0 (en) 2004-10-13
GB2402574A GB2402574A (en) 2004-12-08
GB2402574B true GB2402574B (en) 2005-01-19

Family

ID=33454564

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0419833A Expired - Fee Related GB2402574B (en) 2000-03-06 2001-01-18 Method of recovering a watermark from a compressed image

Country Status (1)

Country Link
GB (1) GB2402574B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024001585A1 (en) * 2022-06-30 2024-01-04 中兴通讯股份有限公司 Watermark embedding method, watermark extraction method, electronic device, and storage medium

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2326048A (en) * 1997-05-08 1998-12-09 Toshiba Kk Embedding digital watermarks in compressed image data

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2326048A (en) * 1997-05-08 1998-12-09 Toshiba Kk Embedding digital watermarks in compressed image data

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024001585A1 (en) * 2022-06-30 2024-01-04 中兴通讯股份有限公司 Watermark embedding method, watermark extraction method, electronic device, and storage medium

Also Published As

Publication number Publication date
GB0419833D0 (en) 2004-10-13
GB2402574A (en) 2004-12-08

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20180118