CA2185753C - Dispositif de decodage d'images numeriques - Google Patents

Dispositif de decodage d'images numeriques Download PDF

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Publication number
CA2185753C
CA2185753C CA002185753A CA2185753A CA2185753C CA 2185753 C CA2185753 C CA 2185753C CA 002185753 A CA002185753 A CA 002185753A CA 2185753 A CA2185753 A CA 2185753A CA 2185753 C CA2185753 C CA 2185753C
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forecast
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frame
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Expired - Fee Related
Application number
CA002185753A
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English (en)
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CA2185753A1 (fr
Inventor
Hideo Ohira
Tokumichi Murakami
Kohtaro Asai
Toshiaki Shimada
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to CA002185753A priority Critical patent/CA2185753C/fr
Priority to US08/710,431 priority patent/US5701158A/en
Priority to AU65688/96A priority patent/AU693718B2/en
Priority to EP96115112A priority patent/EP0794673B1/fr
Priority to JP8350305A priority patent/JPH1098731A/ja
Priority to FR9702505A priority patent/FR2745679B1/fr
Priority to CNB971095078A priority patent/CN1158876C/zh
Publication of CA2185753A1 publication Critical patent/CA2185753A1/fr
Application granted granted Critical
Publication of CA2185753C publication Critical patent/CA2185753C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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)
CA002185753A 1996-03-04 1996-09-17 Dispositif de decodage d'images numeriques Expired - Fee Related CA2185753C (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CA002185753A CA2185753C (fr) 1996-03-04 1996-09-17 Dispositif de decodage d'images numeriques
US08/710,431 US5701158A (en) 1996-03-04 1996-09-17 Digital image decoding apparatus
AU65688/96A AU693718B2 (en) 1996-03-04 1996-09-18 Digital image decoding apparatus
EP96115112A EP0794673B1 (fr) 1996-03-04 1996-09-20 Appareil pour le décodage d'images numériques
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
FR9702505A FR2745679B1 (fr) 1996-03-04 1997-03-03 Procede et dispositif de decodage d'images numeriques
CNB971095078A CN1158876C (zh) 1996-03-04 1997-03-04 数字图象译码装置及数字图象译码方法

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
CA2185753A1 CA2185753A1 (fr) 1998-03-18
CA2185753C true CA2185753C (fr) 2000-09-12

Family

ID=27427293

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002185753A Expired - Fee Related CA2185753C (fr) 1996-03-04 1996-09-17 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
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
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
JP4589709B2 (ja) * 2004-12-10 2010-12-01 パナソニック株式会社 映像再生装置
US8325799B2 (en) 2004-12-28 2012-12-04 Nec Corporation Moving picture encoding method, device using the same, and computer program
WO2007091588A1 (fr) * 2006-02-09 2007-08-16 Nec Corporation Dispositif de décodage d'image dynamique, dispositif d'enregistrement d'image décodée, méthode correspondante et programme
JP2009528751A (ja) * 2006-03-03 2009-08-06 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 差分符号化
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
WO2012095487A1 (fr) * 2011-01-12 2012-07-19 Siemens Aktiengesellschaft Compression et décompression d'images de référence dans un codeur vidéo

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
EP0687111B1 (fr) * 1994-06-06 2003-08-06 sci worx GmbH Procédé pour le codage et le décodage d'un flux de données

Also Published As

Publication number Publication date
CA2185753A1 (fr) 1998-03-18
CN1158876C (zh) 2004-07-21
FR2745679B1 (fr) 2003-03-14
FR2745679A1 (fr) 1997-09-05
JPH1098731A (ja) 1998-04-14
CN1166110A (zh) 1997-11-26

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