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FR2745679B1 - Procede et dispositif de decodage d'images numeriques - Google Patents

Procede et dispositif de decodage d'images numeriques

Info

Publication number
FR2745679B1
FR2745679B1 FR9702505A FR9702505A FR2745679B1 FR 2745679 B1 FR2745679 B1 FR 2745679B1 FR 9702505 A FR9702505 A FR 9702505A FR 9702505 A FR9702505 A FR 9702505A FR 2745679 B1 FR2745679 B1 FR 2745679B1
Authority
FR
France
Prior art keywords
digital images
decoding digital
decoding
images
digital
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 - Fee Related
Application number
FR9702505A
Other languages
English (en)
Other versions
FR2745679A1 (fr
Inventor
Hideo Ohira
Kenichi Asano
Toshiaki Shimada
Kohtaro Asai
Tokumichi Murakami
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of FR2745679A1 publication Critical patent/FR2745679A1/fr
Application granted granted Critical
Publication of FR2745679B1 publication Critical patent/FR2745679B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N19/50—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
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/115—Selection of the code volume for a coding unit prior to 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
    • 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
    • H04N19/10—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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • 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
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/177—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a group of pictures [GOP]
    • 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
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with 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
    • H04N19/10—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
    • 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
    • H04N19/146—Data rate or code amount at the encoder output

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
FR9702505A 1996-03-04 1997-03-03 Procede et dispositif de decodage d'images numeriques Expired - Fee Related FR2745679B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP4634696 1996-03-04
JP20249296 1996-07-31
CA002185753A CA2185753C (fr) 1996-03-04 1996-09-17 Dispositif de decodage d'images numeriques
JP8350305A JPH1098731A (ja) 1996-03-04 1996-12-27 ディジタル画像復号装置及びディジタル画像復号方法

Publications (2)

Publication Number Publication Date
FR2745679A1 FR2745679A1 (fr) 1997-09-05
FR2745679B1 true FR2745679B1 (fr) 2003-03-14

Family

ID=27427293

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9702505A Expired - Fee Related FR2745679B1 (fr) 1996-03-04 1997-03-03 Procede et dispositif de decodage d'images numeriques

Country Status (4)

Country Link
JP (1) JPH1098731A (fr)
CN (1) CN1158876C (fr)
CA (1) CA2185753C (fr)
FR (1) FR2745679B1 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3271585B2 (ja) * 1998-06-19 2002-04-02 日本電気株式会社 動画像復号装置
US6807311B1 (en) * 1999-07-08 2004-10-19 Ati International Srl Method and apparatus for compressing and storing image data
EP1298937A1 (fr) * 2001-09-26 2003-04-02 Chih-Ta Star Sung Codage et décodage vidéo utilisant la recompression des images de référence
JP3680845B2 (ja) 2003-05-28 2005-08-10 セイコーエプソン株式会社 圧縮動画像の伸張装置及びそれを用いた画像表示装置
JP3680846B2 (ja) 2003-05-28 2005-08-10 セイコーエプソン株式会社 動画像の圧縮装置及びそれを用いた撮像装置
JP4589709B2 (ja) * 2004-12-10 2010-12-01 パナソニック株式会社 映像再生装置
WO2006070787A1 (fr) 2004-12-28 2006-07-06 Nec Corporation Procede de codage d'images animees, dispositif faisant appel audit procede, et programme informatique
JP5396711B2 (ja) * 2006-02-09 2014-01-22 日本電気株式会社 動画像復号装置、動画像復号方法及びプログラム
CN101395924A (zh) * 2006-03-03 2009-03-25 皇家飞利浦电子股份有限公司 利用有损内嵌压缩进行差异编码
KR101270167B1 (ko) 2006-08-17 2013-05-31 삼성전자주식회사 저복잡도의 이미지 압축 방법 및 장치, 저복잡도의 이미지복원 방법 및 장치
KR100837410B1 (ko) * 2006-11-30 2008-06-12 삼성전자주식회사 주관적인 무손실 이미지 데이터 압축 방법 및 장치
US8761531B2 (en) 2009-07-09 2014-06-24 Qualcomm Incorporated Image data compression involving sub-sampling of luma and chroma values
WO2012035766A1 (fr) * 2010-09-16 2012-03-22 パナソニック株式会社 Procédé de décodage d'images, procédé de codage d'images, dispositif de décodage d'images et dispositif de codage d'images
CN103329527B (zh) * 2011-01-12 2017-03-01 西门子公司 在视频编码器中参考图像的压缩和解压缩

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5455629A (en) * 1991-02-27 1995-10-03 Rca Thomson Licensing Corporation Apparatus for concealing errors in a digital video processing system
US5614952A (en) * 1994-10-11 1997-03-25 Hitachi America, Ltd. Digital video decoder for decoding digital high definition and/or digital standard definition television signals
US5450130A (en) * 1994-03-30 1995-09-12 Radius Inc. Method and system for cell based image data compression
DE59510756D1 (de) * 1994-06-06 2003-09-11 Sci Worx Gmbh Verfahren zur Codierung/Decodierung eines Datenstroms

Also Published As

Publication number Publication date
CN1158876C (zh) 2004-07-21
CN1166110A (zh) 1997-11-26
CA2185753A1 (fr) 1998-03-18
CA2185753C (fr) 2000-09-12
FR2745679A1 (fr) 1997-09-05
JPH1098731A (ja) 1998-04-14

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Effective date: 20141128