GB0111627D0 - Image compression and transmission - Google Patents

Image compression and transmission

Info

Publication number
GB0111627D0
GB0111627D0 GBGB0111627.6A GB0111627A GB0111627D0 GB 0111627 D0 GB0111627 D0 GB 0111627D0 GB 0111627 A GB0111627 A GB 0111627A GB 0111627 D0 GB0111627 D0 GB 0111627D0
Authority
GB
United Kingdom
Prior art keywords
transmission
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Withdrawn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
GBGB0111627.6A
Other versions
GB2375673A (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.)
SALGEN SYSTEMS Ltd
Original Assignee
SALGEN SYSTEMS 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 SALGEN SYSTEMS Ltd filed Critical SALGEN SYSTEMS Ltd
Priority to GB0111627A priority Critical patent/GB2375673A/en
Publication of GB0111627D0 publication Critical patent/GB0111627D0/en
Priority to PCT/GB2002/002236 priority patent/WO2002093934A1/en
Publication of GB2375673A publication Critical patent/GB2375673A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3084—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction using adaptive string matching, e.g. the Lempel-Ziv method
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/008—Vector quantisation
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • H04N19/517—Processing of motion vectors by encoding
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/94—Vector quantisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB0111627A 2001-05-14 2001-05-14 Image compression method using a table of hash values corresponding to motion vectors Withdrawn GB2375673A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0111627A GB2375673A (en) 2001-05-14 2001-05-14 Image compression method using a table of hash values corresponding to motion vectors
PCT/GB2002/002236 WO2002093934A1 (en) 2001-05-14 2002-05-14 Image compression and transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0111627A GB2375673A (en) 2001-05-14 2001-05-14 Image compression method using a table of hash values corresponding to motion vectors

Publications (2)

Publication Number Publication Date
GB0111627D0 true GB0111627D0 (en) 2001-07-04
GB2375673A GB2375673A (en) 2002-11-20

Family

ID=9914510

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0111627A Withdrawn GB2375673A (en) 2001-05-14 2001-05-14 Image compression method using a table of hash values corresponding to motion vectors

Country Status (2)

Country Link
GB (1) GB2375673A (en)
WO (1) WO2002093934A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2277317B1 (en) * 2008-05-19 2021-01-27 Citrix Systems, Inc. Systems and methods for enhanced image encoding
WO2015058397A1 (en) * 2013-10-25 2015-04-30 Microsoft Technology Licensing, Llc Representing blocks with hash values in video and image coding and decoding
EP3061253A4 (en) * 2013-10-25 2016-08-31 Microsoft Technology Licensing Llc Hash-based block matching in video and image coding
US10368092B2 (en) 2014-03-04 2019-07-30 Microsoft Technology Licensing, Llc Encoder-side decisions for block flipping and skip mode in intra block copy prediction
KR102185245B1 (en) 2014-03-04 2020-12-01 마이크로소프트 테크놀로지 라이센싱, 엘엘씨 Hash table construction and availability checking for hash-based block matching
US9715559B2 (en) * 2014-03-17 2017-07-25 Qualcomm Incorporated Hash-based encoder search for intra block copy
US10681372B2 (en) 2014-06-23 2020-06-09 Microsoft Technology Licensing, Llc Encoder decisions based on results of hash-based block matching
US9858922B2 (en) 2014-06-23 2018-01-02 Google Inc. Caching speech recognition scores
TWI548266B (en) * 2014-06-24 2016-09-01 愛爾達科技股份有限公司 Multimedia file storage system and related devices
JP6462119B2 (en) 2014-09-30 2019-01-30 マイクロソフト テクノロジー ライセンシング，エルエルシー Computing device
US9299347B1 (en) 2014-10-22 2016-03-29 Google Inc. Speech recognition using associative mapping
US9786270B2 (en) 2015-07-09 2017-10-10 Google Inc. Generating acoustic models
US10229672B1 (en) 2015-12-31 2019-03-12 Google Llc Training acoustic models using connectionist temporal classification
US20180018973A1 (en) 2016-07-15 2018-01-18 Google Inc. Speaker verification
US10390039B2 (en) 2016-08-31 2019-08-20 Microsoft Technology Licensing, Llc Motion estimation for screen remoting scenarios
US11095877B2 (en) 2016-11-30 2021-08-17 Microsoft Technology Licensing, Llc Local hash-based motion estimation for screen remoting scenarios
KR102302643B1 (en) * 2017-04-21 2021-09-14 제니맥스 미디어 인크. Systems and Methods for Player Input Motion Compensation by Motion Vectors Prediction
US10706840B2 (en) 2017-08-18 2020-07-07 Google Llc Encoder-decoder models for sequence to sequence mapping
US11202085B1 (en) 2020-06-12 2021-12-14 Microsoft Technology Licensing, Llc Low-cost hash table construction and hash-based block matching for variable-size blocks

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4979039A (en) * 1989-01-30 1990-12-18 Information Technologies Research Inc. Method and apparatus for vector quantization by hashing
EP0576765A1 (en) * 1992-06-30 1994-01-05 International Business Machines Corporation Method for coding digital data using vector quantizing techniques and device for implementing said method
US5731840A (en) * 1995-03-10 1998-03-24 Kabushiki Kaisha Toshiba Video coding/decoding apparatus which transmits different accuracy prediction levels
US5832131A (en) * 1995-05-03 1998-11-03 National Semiconductor Corporation Hashing-based vector quantization

Also Published As

Publication number Publication date
WO2002093934A1 (en) 2002-11-21
GB2375673A (en) 2002-11-20

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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)