DE69730148D1 - Speichereffiziente komprimierung und quantisierung für bildsignale - Google Patents

Speichereffiziente komprimierung und quantisierung für bildsignale

Info

Publication number
DE69730148D1
DE69730148D1 DE69730148T DE69730148T DE69730148D1 DE 69730148 D1 DE69730148 D1 DE 69730148D1 DE 69730148 T DE69730148 T DE 69730148T DE 69730148 T DE69730148 T DE 69730148T DE 69730148 D1 DE69730148 D1 DE 69730148D1
Authority
DE
Germany
Prior art keywords
quantization
memory
image signals
efficient compression
compression
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 - Lifetime
Application number
DE69730148T
Other languages
English (en)
Other versions
DE69730148T2 (de
Inventor
Haoping Yu
Alan Canfield
Wesley Beyers
Wai-Man Lam
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.)
Technicolor USA Inc
Original Assignee
Thomson Consumer Electronics Inc
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 Thomson Consumer Electronics Inc filed Critical Thomson Consumer Electronics Inc
Publication of DE69730148D1 publication Critical patent/DE69730148D1/de
Application granted granted Critical
Publication of DE69730148T2 publication Critical patent/DE69730148T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H04N19/426—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements using memory downsizing methods
    • H04N19/428—Recompression, e.g. by spatial or temporal decimation
    • 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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression Of Band Width Or Redundancy In Fax (AREA)
DE69730148T 1996-12-17 1997-12-09 Speichereffiziente komprimierung und quantisierung für bildsignale Expired - Lifetime DE69730148T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US3360796P 1996-12-17 1996-12-17
US33607P 1996-12-17
US910709 1997-08-12
US08/910,709 US6621934B1 (en) 1996-12-17 1997-08-12 Memory efficient compression apparatus in an image processing system
PCT/US1997/022322 WO1998027735A1 (en) 1996-12-17 1997-12-09 Memory efficient compression apparatus and quantizer in an image processing system

Publications (2)

Publication Number Publication Date
DE69730148D1 true DE69730148D1 (de) 2004-09-09
DE69730148T2 DE69730148T2 (de) 2005-08-04

Family

ID=26709902

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69730148T Expired - Lifetime DE69730148T2 (de) 1996-12-17 1997-12-09 Speichereffiziente komprimierung und quantisierung für bildsignale

Country Status (8)

Country Link
US (1) US6621934B1 (de)
EP (1) EP0947102B1 (de)
JP (1) JP4260894B2 (de)
KR (1) KR100531259B1 (de)
CN (1) CN1191719C (de)
AU (1) AU5594298A (de)
DE (1) DE69730148T2 (de)
WO (1) WO1998027735A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6807311B1 (en) * 1999-07-08 2004-10-19 Ati International Srl Method and apparatus for compressing and storing image data
GB2368248A (en) * 2000-10-20 2002-04-24 Sony Uk Ltd Image compression using iterative intraframe predictive coding
WO2003034340A2 (en) * 2001-10-11 2003-04-24 International Business Machines Corporation Color bitmap normalization
JP4217657B2 (ja) * 2003-07-30 2009-02-04 キヤノン株式会社 画像処理方法、プログラム、記憶媒体及び装置
US7689051B2 (en) * 2004-04-15 2010-03-30 Microsoft Corporation Predictive lossless coding of images and video
TWI307607B (en) * 2006-02-13 2009-03-11 Novatek Microelectronics Corp Pixel data compression and decompression method and device thereof
US20080115185A1 (en) * 2006-10-31 2008-05-15 Microsoft Corporation Dynamic modification of video properties
WO2008095825A1 (en) * 2007-02-05 2008-08-14 Thomson Licensing Video transcoding with reduced drift
CN102783037B (zh) * 2010-03-03 2015-05-13 三菱电机株式会社 数据压缩装置和数据压缩方法
JP5362099B2 (ja) * 2010-03-19 2013-12-11 株式会社東芝 符号化装置
JP5482474B2 (ja) * 2010-06-09 2014-05-07 富士通株式会社 符号化装置及び符号化プログラム
US9978156B2 (en) * 2012-10-03 2018-05-22 Avago Technologies General Ip (Singapore) Pte. Ltd. High-throughput image and video compression
US9363517B2 (en) 2013-02-28 2016-06-07 Broadcom Corporation Indexed color history in image coding
GB2593523B (en) * 2020-03-26 2023-06-14 Imagination Tech Ltd Image data compression

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4422094A (en) 1981-11-06 1983-12-20 Rca Corporation Digital signal processor with symmetrical transfer characteristic
JPS59200592A (ja) * 1983-04-27 1984-11-13 Fuji Photo Film Co Ltd カラ−画像の適応形圧縮方式
US5539865A (en) 1992-11-10 1996-07-23 Adobe Systems, Inc. Method and apparatus for processing data for a visual-output device with reduced buffer memory requirements
US5764374A (en) * 1996-02-05 1998-06-09 Hewlett-Packard Company System and method for lossless image compression having improved sequential determination of golomb parameter

Also Published As

Publication number Publication date
JP4260894B2 (ja) 2009-04-30
JP2001506444A (ja) 2001-05-15
US6621934B1 (en) 2003-09-16
CN1191719C (zh) 2005-03-02
KR100531259B1 (ko) 2005-11-28
EP0947102B1 (de) 2004-08-04
EP0947102A1 (de) 1999-10-06
CN1240555A (zh) 2000-01-05
DE69730148T2 (de) 2005-08-04
AU5594298A (en) 1998-07-15
WO1998027735A1 (en) 1998-06-25
KR20000057237A (ko) 2000-09-15

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