GB9906603D0 - Image compression and decompression - Google Patents

Image compression and decompression

Info

Publication number
GB9906603D0
GB9906603D0 GB9906603A GB9906603A GB9906603D0 GB 9906603 D0 GB9906603 D0 GB 9906603D0 GB 9906603 A GB9906603 A GB 9906603A GB 9906603 A GB9906603 A GB 9906603A GB 9906603 D0 GB9906603 D0 GB 9906603D0
Authority
GB
United Kingdom
Prior art keywords
decompression
image compression
compression
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.)
Withdrawn
Application number
GB9906603A
Other versions
GB2348334A (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.)
Imagination Technologies Ltd
Original Assignee
Videologic 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 Videologic Ltd filed Critical Videologic Ltd
Priority to GB9906603A priority Critical patent/GB2348334A/en
Publication of GB9906603D0 publication Critical patent/GB9906603D0/en
Priority to EP00912762A priority patent/EP1163800A1/en
Priority to JP2000607420A priority patent/JP2002540685A/en
Priority to PCT/GB2000/001081 priority patent/WO2000057649A1/en
Publication of GB2348334A publication Critical patent/GB2348334A/en
Withdrawn legal-status Critical Current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
    • H04N1/46—Colour picture communication systems
    • H04N1/64—Systems for the transmission or the storage of the colour picture signal; Details therefor, e.g. coding or decoding means therefor
    • H04N1/648—Transmitting or storing the primary (additive or subtractive) colour signals; Compression thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/007—Transform coding, e.g. discrete cosine transform
    • 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
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • H04N1/3872—Repositioning or masking
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/36—Scalability techniques involving formatting the layers as a function of picture distortion after decoding, e.g. signal-to-noise [SNR] scalability
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Color Television Systems (AREA)
  • Image Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
GB9906603A 1999-03-22 1999-03-22 A method of compressing digital image data Withdrawn GB2348334A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB9906603A GB2348334A (en) 1999-03-22 1999-03-22 A method of compressing digital image data
EP00912762A EP1163800A1 (en) 1999-03-22 2000-03-22 Image compression and decompression
JP2000607420A JP2002540685A (en) 1999-03-22 2000-03-22 Image compression and decompression
PCT/GB2000/001081 WO2000057649A1 (en) 1999-03-22 2000-03-22 Image compression and decompression

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9906603A GB2348334A (en) 1999-03-22 1999-03-22 A method of compressing digital image data

Publications (2)

Publication Number Publication Date
GB9906603D0 true GB9906603D0 (en) 1999-05-19
GB2348334A GB2348334A (en) 2000-09-27

Family

ID=10850147

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9906603A Withdrawn GB2348334A (en) 1999-03-22 1999-03-22 A method of compressing digital image data

Country Status (4)

Country Link
EP (1) EP1163800A1 (en)
JP (1) JP2002540685A (en)
GB (1) GB2348334A (en)
WO (1) WO2000057649A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9418450B2 (en) 2006-08-31 2016-08-16 Ati Technologies Ulc Texture compression techniques
GB2445008B (en) * 2006-12-20 2008-12-31 Sony Comp Entertainment Europe Image compression and/or decompression
US9058637B2 (en) 2011-05-05 2015-06-16 Arm Limited Method of and apparatus for encoding and decoding data
US10147202B2 (en) * 2013-03-15 2018-12-04 Arm Limited Methods of and apparatus for encoding and decoding data

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1056562A (en) * 1996-08-09 1998-02-24 Kokusai Electric Co Ltd Method and equipment for pictorial communication
US5838818A (en) * 1997-06-18 1998-11-17 Hewlett-Packard Company Artifact reduction compression method and apparatus for mosaiced images
US5956431A (en) * 1997-10-02 1999-09-21 S3 Incorporated System and method for fixed-rate block-based image compression with inferred pixel values

Also Published As

Publication number Publication date
JP2002540685A (en) 2002-11-26
GB2348334A (en) 2000-09-27
WO2000057649A1 (en) 2000-09-28
EP1163800A1 (en) 2001-12-19

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)