GB9930353D0 - Watermarking - Google Patents

Watermarking

Info

Publication number
GB9930353D0
GB9930353D0 GBGB9930353.9A GB9930353A GB9930353D0 GB 9930353 D0 GB9930353 D0 GB 9930353D0 GB 9930353 A GB9930353 A GB 9930353A GB 9930353 D0 GB9930353 D0 GB 9930353D0
Authority
GB
United Kingdom
Prior art keywords
watermarking
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
GBGB9930353.9A
Other versions
GB2348071A (en
GB2348071B (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.)
British Broadcasting Corp
Original Assignee
British Broadcasting 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 GBGB9906299.4A external-priority patent/GB9906299D0/en
Priority claimed from GBGB9926530.8A external-priority patent/GB9926530D0/en
Application filed by British Broadcasting Corp filed Critical British Broadcasting Corp
Publication of GB9930353D0 publication Critical patent/GB9930353D0/en
Priority to GB0319818A priority Critical patent/GB2388740B/en
Priority to AU33084/00A priority patent/AU3308400A/en
Priority to US09/936,816 priority patent/US7130443B1/en
Priority to EP04010288A priority patent/EP1465403A3/en
Priority to GB0006696A priority patent/GB2351409B/en
Priority to EP04010291A priority patent/EP1465405A3/en
Priority to IL14546900A priority patent/IL145469A0/en
Priority to CA002368136A priority patent/CA2368136A1/en
Priority to AT00911090T priority patent/ATE270019T1/en
Priority to PCT/GB2000/001033 priority patent/WO2000056058A1/en
Priority to GB0314626A priority patent/GB2386279B/en
Priority to GB0314630A priority patent/GB2386495B/en
Priority to EP04010289A priority patent/EP1460829A3/en
Priority to EP04010290A priority patent/EP1465404A3/en
Priority to DE60011773T priority patent/DE60011773T2/en
Priority to EP00911090A priority patent/EP1195047B1/en
Publication of GB2348071A publication Critical patent/GB2348071A/en
Publication of GB2348071B publication Critical patent/GB2348071B/en
Application granted granted Critical
Priority to US11/328,413 priority patent/US20060133647A1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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
    • 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
    • G06T1/0085—Time domain based watermarking, e.g. watermarks spread over several images
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/467—Embedding additional information in the video signal during the compression process characterised by the embedded information being invisible, e.g. watermarking
    • 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
    • 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
    • G06T2201/0052—Embedding of the watermark in the frequency domain
    • 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
    • G06T2201/0061—Embedding of the watermark in each block of the image, e.g. segmented watermarking
    • 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
    • G06T2201/0202—Image watermarking whereby the quality of watermarked images is measured; Measuring quality or performance of watermarking methods; Balancing between quality and robustness

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
GB9930353A 1999-03-18 1999-12-22 Watermarking Expired - Fee Related GB2348071B (en)

Priority Applications (17)

Application Number Priority Date Filing Date Title
DE60011773T DE60011773T2 (en) 1999-03-18 2000-03-20 WATERMARK
EP00911090A EP1195047B1 (en) 1999-03-18 2000-03-20 Watermarking
AT00911090T ATE270019T1 (en) 1999-03-18 2000-03-20 WATERMARK
GB0314630A GB2386495B (en) 1999-03-18 2000-03-20 Watermarking
US09/936,816 US7130443B1 (en) 1999-03-18 2000-03-20 Watermarking
EP04010288A EP1465403A3 (en) 1999-03-18 2000-03-20 Watermarking
GB0006696A GB2351409B (en) 1999-03-18 2000-03-20 Watermarking
EP04010291A EP1465405A3 (en) 1999-03-18 2000-03-20 Watermarking
IL14546900A IL145469A0 (en) 1999-03-18 2000-03-20 Watermarking
CA002368136A CA2368136A1 (en) 1999-03-18 2000-03-20 Watermarking
GB0319818A GB2388740B (en) 1999-03-18 2000-03-20 Watermarking
PCT/GB2000/001033 WO2000056058A1 (en) 1999-03-18 2000-03-20 Watermarking
GB0314626A GB2386279B (en) 1999-03-18 2000-03-20 Watermarking
AU33084/00A AU3308400A (en) 1999-03-18 2000-03-20 Watermarking
EP04010289A EP1460829A3 (en) 1999-03-18 2000-03-20 Watermarking
EP04010290A EP1465404A3 (en) 1999-03-18 2000-03-20 Watermarking
US11/328,413 US20060133647A1 (en) 1999-03-18 2006-01-10 Watermarking

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9906299.4A GB9906299D0 (en) 1999-03-19 1999-03-18 Watermarking
GBGB9926530.8A GB9926530D0 (en) 1999-03-18 1999-11-09 Watermarking

Publications (3)

Publication Number Publication Date
GB9930353D0 true GB9930353D0 (en) 2000-02-09
GB2348071A GB2348071A (en) 2000-09-20
GB2348071B GB2348071B (en) 2003-11-05

Family

ID=26315303

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9930353A Expired - Fee Related GB2348071B (en) 1999-03-18 1999-12-22 Watermarking

Country Status (1)

Country Link
GB (1) GB2348071B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6834344B1 (en) * 1999-09-17 2004-12-21 International Business Machines Corporation Semi-fragile watermarks
GB2374995A (en) * 2001-04-25 2002-10-30 Univ Bristol Watermarking using representative values
GB2374996A (en) * 2001-04-25 2002-10-30 Univ Bristol Watermarking with predistortion

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5748763A (en) * 1993-11-18 1998-05-05 Digimarc Corporation Image steganography system featuring perceptually adaptive and globally scalable signal embedding
US5889868A (en) * 1996-07-02 1999-03-30 The Dice Company Optimization methods for the insertion, protection, and detection of digital watermarks in digitized data
EP0905967A1 (en) * 1997-09-26 1999-03-31 Digital Copyright Technologies AG Method for generating digital watermarks and for exchanging data containing digital watermarks

Also Published As

Publication number Publication date
GB2348071A (en) 2000-09-20
GB2348071B (en) 2003-11-05

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Legal Events

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

Effective date: 20151222