HK1002135A1 - Image coding apparatus and image decoding apparatus - Google Patents

Image coding apparatus and image decoding apparatus

Info

Publication number
HK1002135A1
HK1002135A1 HK98101195A HK98101195A HK1002135A1 HK 1002135 A1 HK1002135 A1 HK 1002135A1 HK 98101195 A HK98101195 A HK 98101195A HK 98101195 A HK98101195 A HK 98101195A HK 1002135 A1 HK1002135 A1 HK 1002135A1
Authority
HK
Hong Kong
Prior art keywords
image
decoding apparatus
image decoding
coding apparatus
image coding
Prior art date
Application number
HK98101195A
Other languages
English (en)
Inventor
Shinya Kadono
Tatsuro Juri
Original Assignee
Matsushita Electric Ind Co 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
Priority claimed from JP19362790A external-priority patent/JP2605457B2/ja
Priority claimed from JP22091090A external-priority patent/JP2861328B2/ja
Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of HK1002135A1 publication Critical patent/HK1002135A1/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/112—Selection of coding mode or of prediction mode according to a given display mode, e.g. for interlaced or progressive display mode
    • 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
    • H04N19/98—Adaptive-dynamic-range coding [ADRC]
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Data Mining & Analysis (AREA)
  • Multimedia (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Signal Processing (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Discrete Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
HK98101195A 1990-07-20 1998-02-16 Image coding apparatus and image decoding apparatus HK1002135A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP19362790A JP2605457B2 (ja) 1990-07-20 1990-07-20 画像符号化手法
JP22091090A JP2861328B2 (ja) 1990-08-21 1990-08-21 高能率符号化装置
JP28211990 1990-10-19

Publications (1)

Publication Number Publication Date
HK1002135A1 true HK1002135A1 (en) 1998-07-31

Family

ID=27326792

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98101195A HK1002135A1 (en) 1990-07-20 1998-02-16 Image coding apparatus and image decoding apparatus

Country Status (4)

Country Link
US (1) US5196930A (de)
EP (1) EP0467718B1 (de)
DE (1) DE69121995T2 (de)
HK (1) HK1002135A1 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69225628T2 (de) * 1991-02-19 1998-11-26 Matsushita Electric Ind Co Ltd Gerät für die orthogonale Transformation für die Videosignalverarbeitung
US5649029A (en) * 1991-03-15 1997-07-15 Galbi; David E. MPEG audio/video decoder
USRE37858E1 (en) 1991-04-12 2002-09-24 Mitsubishi Denki Kabushiki Kaisha Motion compensation predicting encoding method and apparatus
JP2924430B2 (ja) * 1991-04-12 1999-07-26 三菱電機株式会社 動き補償予測符号化装置及び動き補償予測復号装置
US5367385A (en) * 1992-05-07 1994-11-22 Picturetel Corporation Method and apparatus for processing block coded image data to reduce boundary artifacts between adjacent image blocks
US5526135A (en) * 1992-05-11 1996-06-11 Sony Corporation Video signal recording and/or reproducing apparatus operable in normal and differential speed playback modes
TW241416B (de) * 1992-06-29 1995-02-21 Sony Co Ltd
US6226327B1 (en) 1992-06-29 2001-05-01 Sony Corporation Video coding method and apparatus which select between frame-based and field-based predictive modes
US5424778A (en) * 1992-08-31 1995-06-13 Victor Company Of Japan, Ltd. Orthogonal transform coding apparatus and decoding apparatus
KR0134504B1 (ko) * 1992-09-09 1998-04-23 배순훈 적응적 주파수 변환기를 가진 영상 부호화기
US6078615A (en) * 1993-03-31 2000-06-20 Canon Kabushiki Kaisha Encoding/decoding apparatus which performs an inverse orthogonal transformation on decoded data
US5467131A (en) * 1993-12-30 1995-11-14 Hewlett-Packard Company Method and apparatus for fast digital signal decoding
KR0131715B1 (ko) * 1994-07-25 1998-04-16 조백제 주사방식 변환회로
US6028636A (en) * 1994-09-30 2000-02-22 Canon Kabushiki Kaisha Image coding apparatus using detection of field correlation
KR0139164B1 (ko) * 1994-12-19 1998-06-01 김광호 적응적 직교변환부호화 장치
US6069902A (en) * 1995-06-14 2000-05-30 Matsushita Electric Industrial Co., Ltd. Broadcast receiver, transmission control unit and recording/reproducing apparatus
US5832120A (en) * 1995-12-22 1998-11-03 Cirrus Logic, Inc. Universal MPEG decoder with scalable picture size
JPH09200762A (ja) * 1995-12-29 1997-07-31 Daewoo Electron Co Ltd 映像信号符号化方法及びその装置
JP3168922B2 (ja) * 1996-08-27 2001-05-21 日本ビクター株式会社 デジタル画像情報の記録再生装置
US6040861A (en) * 1997-10-10 2000-03-21 International Business Machines Corporation Adaptive real-time encoding of video sequence employing image statistics
EP0990992A3 (de) * 1998-09-28 2002-02-13 Siemens Aktiengesellschaft Diskreter/invers-diskreter Cosinus-Transformationsvorrichtung und Anordnung
EP1816870A4 (de) * 2004-11-19 2009-07-29 Panasonic Corp Videokodierungsverfahren und videodekodierungsverfahren
TWI297994B (en) * 2005-12-08 2008-06-11 Inst Information Industry Encoder, method for adjusting decoding calculation, and computer readable record medium therefor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3304835A1 (de) * 1983-02-11 1984-08-16 Siemens AG, 1000 Berlin und 8000 München Verfahren zur digitalen uebertragung von fernsehbildern
US4829465A (en) * 1986-06-19 1989-05-09 American Telephone And Telegraph Company, At&T Bell Laboratories High speed cosine transform
FR2608808B1 (fr) * 1986-12-22 1989-04-28 Efcis Circuit integre de traitement numerique de signaux
NL8700565A (nl) * 1987-03-10 1988-10-03 Philips Nv Televisiesysteem waarin aan een transformatiekodering onderworpen gedigitaliseerde beeldsignalen worden overgebracht van een kodeerstation naar een dekodeerstation.
US4791598A (en) * 1987-03-24 1988-12-13 Bell Communications Research, Inc. Two-dimensional discrete cosine transform processor
JP3085465B2 (ja) * 1989-10-31 2000-09-11 オリンパス光学工業株式会社 画像データの符号化装置および符号化方法

Also Published As

Publication number Publication date
EP0467718A2 (de) 1992-01-22
DE69121995D1 (de) 1996-10-17
US5196930A (en) 1993-03-23
EP0467718A3 (en) 1992-05-13
EP0467718B1 (de) 1996-09-11
DE69121995T2 (de) 1997-03-20

Similar Documents

Publication Publication Date Title
EP0474100A3 (en) Image encoding apparatus and image decoding apparatus
EP0590800A3 (de) Vorrichtungen zur Kodierung und Dekodierung von Bildern.
EP0526163A3 (en) Image coding method and image coding apparatus
EP0510972A3 (en) Image coding method and apparatus
EP0447247A3 (en) Image encoding method and apparatus
HK1002135A1 (en) Image coding apparatus and image decoding apparatus
AU1004092A (en) Improved image encoding/decoding method and apparatus
SG67967A1 (en) Image coding apparatus and image decoding apparatus
EP0449555A3 (en) Image encoding apparatus
EP0544080A3 (en) Picture encoding and/or decoding method and apparatus
HK1008133A1 (en) Picture signal encoding and decoding apparatus
EP0497058A3 (en) Highly efficient coding apparatus
EP0576290A3 (en) Picture signal coding and decoding
EP0562787A3 (en) Image coding method and apparatus
SG43860A1 (en) Coding apparatus
IL101140A0 (en) Method and apparatus for coding motion pictures
HK1050979A1 (en) Image coding apparatus and image decoding apparatus
SG43261A1 (en) Image encoding apparatus
EP0474388A3 (en) Moving picture coding apparatus
KR960008381B1 (en) Apparatus for image coding and decoding
EP0461659A3 (en) Coding method and coding apparatus
EP0599529A3 (de) Verfahren und Gerät zur Bildkodierung und Verfahren und Gerät zur Bilddekodierung.
EP0467678A3 (en) Variable length coding apparatus and variable length decoding apparatus
GB2253122B (en) Decoding method and apparatus
EP0514188A3 (en) Encoding/decoding apparatus

Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20110718