DE69941750D1 - Datenkompression - Google Patents

Datenkompression

Info

Publication number
DE69941750D1
DE69941750D1 DE69941750T DE69941750T DE69941750D1 DE 69941750 D1 DE69941750 D1 DE 69941750D1 DE 69941750 T DE69941750 T DE 69941750T DE 69941750 T DE69941750 T DE 69941750T DE 69941750 D1 DE69941750 D1 DE 69941750D1
Authority
DE
Germany
Prior art keywords
data compression
compression
data
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
DE69941750T
Other languages
English (en)
Inventor
Nicholas Ian Saunders
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.)
Sony Europe Ltd
Original Assignee
Sony United Kingdom 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 Sony United Kingdom Ltd filed Critical Sony United Kingdom Ltd
Application granted granted Critical
Publication of DE69941750D1 publication Critical patent/DE69941750D1/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
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • 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
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation

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)
DE69941750T 1998-03-25 1999-03-03 Datenkompression Expired - Lifetime DE69941750D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9806396A GB2335815B (en) 1998-03-25 1998-03-25 Data compression

Publications (1)

Publication Number Publication Date
DE69941750D1 true DE69941750D1 (de) 2010-01-21

Family

ID=10829238

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69941750T Expired - Lifetime DE69941750D1 (de) 1998-03-25 1999-03-03 Datenkompression

Country Status (5)

Country Link
US (1) US6415059B1 (de)
EP (1) EP0946062B1 (de)
JP (1) JP4236757B2 (de)
DE (1) DE69941750D1 (de)
GB (1) GB2335815B (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2351407B (en) * 1999-06-21 2003-06-11 Sony Uk Ltd Video data compression
JP2001136535A (ja) * 1999-08-25 2001-05-18 Fuji Xerox Co Ltd 画像符号化装置および量子化特性決定装置
US7031385B1 (en) * 1999-10-01 2006-04-18 Matsushita Electric Industrial Co., Ltd. Method and apparatus for detecting scene change of a compressed moving-picture, and program recording medium therefor
GB2356510B (en) 1999-11-18 2004-04-21 Sony Uk Ltd Data compression
CN1275222C (zh) 2001-12-25 2006-09-13 株式会社Ntt都科摩 信号编码装置和信号编码方法
GB2387059A (en) * 2002-03-28 2003-10-01 Sony Uk Ltd Data compression using trial quantisations to determine final quantiser
GB2387055A (en) * 2002-03-28 2003-10-01 Sony Uk Ltd Data compression method including target data quantity allocation
US20040013405A1 (en) * 2002-07-18 2004-01-22 Christiansen Robert D Method for preparing/printing video scene indices
JP5618128B2 (ja) * 2010-02-22 2014-11-05 ソニー株式会社 符号化装置、符号化方法、およびプログラム
JP6589642B2 (ja) * 2016-01-07 2019-10-16 富士ゼロックス株式会社 データ処理装置およびプログラム
US10272461B2 (en) 2017-04-04 2019-04-30 General Electric Company Method for masking cooling passages

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5146324A (en) * 1990-07-31 1992-09-08 Ampex Corporation Data compression using a feedforward quantization estimator
EP0493130B1 (de) * 1990-12-28 1997-06-11 Canon Kabushiki Kaisha Bildcodierungsgerät mit Optimierung der erzeugten Codemenge
US5249053A (en) * 1991-02-05 1993-09-28 Dycam Inc. Filmless digital camera with selective image compression
TW256010B (de) * 1991-04-18 1995-09-01 Ampex
ATE162918T1 (de) * 1991-04-18 1998-02-15 Ampex Systems Corp Verfahren und anordnung zur bestimmung eines quantisierungsfaktors für prozesse mit datenkomprimierung und -dekomprimierung
KR0121328B1 (ko) * 1991-12-13 1997-11-17 사또오 후미오 디지탈 신호 기록 재생 장치
DE69334116T2 (de) * 1992-06-09 2007-08-30 Canon K.K. Kodierungsvorrichtung
JP3184011B2 (ja) * 1992-07-20 2001-07-09 株式会社東芝 帯域圧縮信号処理装置
KR0166722B1 (ko) * 1992-11-30 1999-03-20 윤종용 부호화 및 복호화방법 및 그 장치
TW224553B (en) * 1993-03-01 1994-06-01 Sony Co Ltd Method and apparatus for inverse discrete consine transform and coding/decoding of moving picture
DE4433819A1 (de) * 1994-09-22 1996-03-28 Philips Patentverwaltung Coder zur segmentweisen Codierung eines Eingangssignales
US5889561A (en) * 1994-11-04 1999-03-30 Rca Thomson Licensing Corporation Method and apparatus for scaling a compressed video bitstream
US5612900A (en) * 1995-05-08 1997-03-18 Kabushiki Kaisha Toshiba Video encoding method and system which encodes using a rate-quantizer model
GB2306830B (en) * 1995-10-30 2000-05-24 Sony Uk Ltd Video data compression
US5956429A (en) * 1997-07-31 1999-09-21 Sony Corporation Image data compression and decompression using both a fixed length code field and a variable length code field to allow partial reconstruction

Also Published As

Publication number Publication date
EP0946062A2 (de) 1999-09-29
JPH11355146A (ja) 1999-12-24
EP0946062A3 (de) 2000-12-20
US6415059B1 (en) 2002-07-02
EP0946062B1 (de) 2009-12-09
GB2335815B (en) 2002-02-27
JP4236757B2 (ja) 2009-03-11
GB2335815A (en) 1999-09-29
GB9806396D0 (en) 1998-05-20

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Legal Events

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8364 No opposition during term of opposition