ATE97289T1 - Kompressionskodierung/-dekodierung eines videosignals. - Google Patents

Kompressionskodierung/-dekodierung eines videosignals.

Info

Publication number
ATE97289T1
ATE97289T1 AT88307730T AT88307730T ATE97289T1 AT E97289 T1 ATE97289 T1 AT E97289T1 AT 88307730 T AT88307730 T AT 88307730T AT 88307730 T AT88307730 T AT 88307730T AT E97289 T1 ATE97289 T1 AT E97289T1
Authority
AT
Austria
Prior art keywords
pixel samples
flags
values
subject
subject pixel
Prior art date
Application number
AT88307730T
Other languages
English (en)
Inventor
Tetsujiro Kondo
Original Assignee
Sony 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
Application filed by Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of ATE97289T1 publication Critical patent/ATE97289T1/de

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/004—Predictors, e.g. intraframe, interframe 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/587—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence
    • 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
    • H04N19/59—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial sub-sampling or interpolation, e.g. alteration of picture size or resolution

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
AT88307730T 1987-08-22 1988-08-19 Kompressionskodierung/-dekodierung eines videosignals. ATE97289T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP20895787A JP2829954B2 (ja) 1987-08-22 1987-08-22 画像信号の高能率符号化装置及び方法
EP88307730A EP0305127B1 (de) 1987-08-22 1988-08-19 Kompressionskodierung/-Dekodierung eines Videosignals

Publications (1)

Publication Number Publication Date
ATE97289T1 true ATE97289T1 (de) 1993-11-15

Family

ID=16564949

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88307730T ATE97289T1 (de) 1987-08-22 1988-08-19 Kompressionskodierung/-dekodierung eines videosignals.

Country Status (8)

Country Link
US (1) US4910594A (de)
EP (1) EP0305127B1 (de)
JP (1) JP2829954B2 (de)
KR (1) KR960011975B1 (de)
AT (1) ATE97289T1 (de)
AU (1) AU610221B2 (de)
CA (1) CA1304813C (de)
DE (1) DE3885544T2 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8803152A (nl) * 1988-12-23 1990-07-16 Philips Nv Prediktieve kodeer- en dekodeerschakeling voor beeldelementwaarden.
US5428693A (en) * 1991-04-12 1995-06-27 Mitsubishi Denki Kabushiki Kaisha Motion compensation predicting coding method and apparatus
US5497338A (en) * 1993-04-09 1996-03-05 Sharp Kabushiki Kaisha Motion vector detecting circuit
US5825426A (en) * 1994-10-18 1998-10-20 Intel Corporation Video subsampling mode decisions based upon interpolation error measures
JP3749752B2 (ja) * 1995-03-24 2006-03-01 アイティーティー・マニュファクチャリング・エンタープライジズ・インコーポレーテッド ブロック適応型差分パルスコード変調システム
US6873738B2 (en) * 1995-10-02 2005-03-29 Sony Corporation Hierarchical image processor for encoding or decoding, and memory on the same chip
US5881180A (en) * 1996-02-08 1999-03-09 Sony Corporation Method and apparatus for the reduction of blocking effects in images
US5974196A (en) * 1996-03-15 1999-10-26 Sony Corporation Method and apparatus for blocking effect reduction in images
US5933542A (en) * 1996-04-24 1999-08-03 Sony Corporation Method and apparatus for blocking effect reduction in images by post-processing in the spatial domain
TW359919B (en) * 1996-07-17 1999-06-01 Sony Corp Image coding apparatus, image coding method, image decoding method, image decoding apparatus, image data transmitting method and recording medium
US6381369B1 (en) * 1996-07-17 2002-04-30 Sony Corporation Image coding apparatus, image coding method, image decoding method, image decoding apparatus, image data transmitting method and recording medium
KR100567710B1 (ko) * 1996-07-17 2006-05-25 소니 가부시끼 가이샤 화상코딩장치,화상코딩방법,화상디코딩방법,화상디코딩장치,화상데이타전송방법및기록매체
US5796875A (en) * 1996-08-13 1998-08-18 Sony Electronics, Inc. Selective de-blocking filter for DCT compressed images
SE511186C2 (sv) * 1997-04-11 1999-08-16 Ericsson Telefon Ab L M Förfarande och anordning för att koda datasekvenser
US6339616B1 (en) 1997-05-30 2002-01-15 Alaris, Inc. Method and apparatus for compression and decompression of still and motion video data based on adaptive pixel-by-pixel processing and adaptive variable length coding
JP4131052B2 (ja) 1998-07-17 2008-08-13 ソニー株式会社 撮像装置
US6907073B2 (en) * 1999-12-20 2005-06-14 Sarnoff Corporation Tweening-based codec for scaleable encoders and decoders with varying motion computation capability
JP2002290243A (ja) 2001-03-28 2002-10-04 Mitsubishi Electric Corp 符号化方法、符号化装置、復号方法、及び復号装置
WO2007034383A2 (en) * 2005-09-19 2007-03-29 Koninklijke Philips Electronics N.V. Image coding

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2320017A1 (fr) * 1975-07-29 1977-02-25 Telecommunications Sa Procede de codage d'image avec sous echantillonnage permettant une reduction du debit numerique
DE2640157C2 (de) * 1976-09-07 1982-10-07 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren und Anordnung zum redundanzvermindernden Codieren von Bildern
CA1091810A (en) * 1976-12-16 1980-12-16 Toshio Koga Predictive codec capable of selecting one of at least three prediction signals in two steps
US4340940A (en) * 1980-08-26 1982-07-20 Rca Corporation Hardware reduction by truncation of selected number of most significant bits for digital video system using subsampling and adaptive reconstruction
JPH0746864B2 (ja) * 1984-08-22 1995-05-17 ソニー株式会社 高能率符号化装置
JPS61114678A (ja) * 1984-11-09 1986-06-02 Nec Corp 画像信号用予測符号化装置
GB8502924D0 (en) * 1985-02-05 1985-03-06 British Telecomm Image encoding
JPH0746862B2 (ja) * 1985-11-30 1995-05-17 ソニー株式会社 駒落とし圧縮符号化及び復号化方法
CA1261069A (en) * 1986-12-08 1989-09-26 Mohamed S. Sabri Two-channel coding of digital signals

Also Published As

Publication number Publication date
EP0305127A2 (de) 1989-03-01
EP0305127B1 (de) 1993-11-10
EP0305127A3 (en) 1989-08-23
DE3885544D1 (de) 1993-12-16
KR960011975B1 (ko) 1996-09-06
JPS6451786A (en) 1989-02-28
US4910594A (en) 1990-03-20
AU610221B2 (en) 1991-05-16
DE3885544T2 (de) 1994-03-10
CA1304813C (en) 1992-07-07
KR890004571A (ko) 1989-04-22
AU2112788A (en) 1989-02-23
JP2829954B2 (ja) 1998-12-02

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EELA Cancelled due to lapse of time