JP2000059793A - 画像復号装置及び画像復号方法 - Google Patents

画像復号装置及び画像復号方法

Info

Publication number
JP2000059793A
JP2000059793A JP22488598A JP22488598A JP2000059793A JP 2000059793 A JP2000059793 A JP 2000059793A JP 22488598 A JP22488598 A JP 22488598A JP 22488598 A JP22488598 A JP 22488598A JP 2000059793 A JP2000059793 A JP 2000059793A
Authority
JP
Japan
Prior art keywords
image data
orthogonal transform
pixel
block
inverse orthogonal
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.)
Pending
Application number
JP22488598A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000059793A5 (https=
Inventor
Kazufumi Sato
数史 佐藤
Kenji Komori
健司 小森
Tetsuo Kaneko
哲夫 金子
Satoshi Mihashi
聡 三橋
Hisafumi Yanagihara
尚史 柳原
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 Corp
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
Priority to JP22488598A priority Critical patent/JP2000059793A/ja
Priority to US09/369,001 priority patent/US6748018B2/en
Publication of JP2000059793A publication Critical patent/JP2000059793A/ja
Publication of JP2000059793A5 publication Critical patent/JP2000059793A5/ja
Pending 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
    • H04N19/59—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
    • 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
    • H04N19/10—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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
    • 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
    • H04N19/134—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
    • H04N19/16—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter for 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
    • H04N19/10—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
    • H04N19/176—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 block, e.g. a macroblock
    • 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
    • H04N19/18—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 set of transform coefficients
    • 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
    • H04N19/186—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 colour or a chrominance component
    • 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
    • H04N19/48—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data
    • 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
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/90—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP22488598A 1998-08-07 1998-08-07 画像復号装置及び画像復号方法 Pending JP2000059793A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP22488598A JP2000059793A (ja) 1998-08-07 1998-08-07 画像復号装置及び画像復号方法
US09/369,001 US6748018B2 (en) 1998-08-07 1999-08-05 Picture decoding method and apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP22488598A JP2000059793A (ja) 1998-08-07 1998-08-07 画像復号装置及び画像復号方法

Publications (2)

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JP2000059793A true JP2000059793A (ja) 2000-02-25
JP2000059793A5 JP2000059793A5 (https=) 2005-09-08

Family

ID=16820699

Family Applications (1)

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JP22488598A Pending JP2000059793A (ja) 1998-08-07 1998-08-07 画像復号装置及び画像復号方法

Country Status (2)

Country Link
US (1) US6748018B2 (https=)
JP (1) JP2000059793A (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
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JP2004147335A (ja) * 2002-10-25 2004-05-20 Humax Co Ltd 映像イメージサイズ変換方法及び映像イメージサイズ変換装置
US6839384B2 (en) 2000-11-13 2005-01-04 Nec Corporation Method and apparatus for decoding compressed video signals
US6907077B2 (en) 2000-09-28 2005-06-14 Nec Corporation Variable resolution decoder
US7180948B2 (en) 2001-04-05 2007-02-20 Nec Corporation Image decoder and image decoding method having a frame mode basis and a field mode basis

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JP2001204026A (ja) * 2000-01-21 2001-07-27 Sony Corp 画像情報変換装置及び方法
JP2001285863A (ja) * 2000-03-30 2001-10-12 Sony Corp 画像情報変換装置及び方法
US7471834B2 (en) * 2000-07-24 2008-12-30 Vmark, Inc. Rapid production of reduced-size images from compressed video streams
US6847656B1 (en) * 2000-09-25 2005-01-25 General Instrument Corporation Statistical remultiplexing with bandwidth allocation among different transcoding channels
EP1246469A3 (fr) * 2001-03-27 2005-04-13 Koninklijke Philips Electronics N.V. Procédé de réduction de format et de décodage similtanés de signaux vidéo codés
US6931062B2 (en) * 2001-04-11 2005-08-16 Koninklijke Philips Electronics N.V. Decoding system and method for proper interpolation for motion compensation
US20030202575A1 (en) * 2002-04-03 2003-10-30 Williams Billy Dennis System and method for digital video frame scanning and streaming
US7006572B2 (en) * 2002-05-09 2006-02-28 Mitsubishi Electric Research Labs, Inc. Method and apparatus for decoding video bitstreams to reduced spatial resolutions
US7469067B2 (en) * 2004-07-06 2008-12-23 Magnum Semiconductor, Inc. Sequential decoding of progressive coded JPEGs
FR2894422A1 (fr) * 2005-12-01 2007-06-08 Thomson Licensing Sas Procede de prediction de donnees mouvement et de texture
FR2894424A1 (fr) * 2005-12-05 2007-06-08 Thomson Licensing Sas Procede de prediction de donnees mouvement et de texture
FR2894423A1 (fr) * 2005-12-05 2007-06-08 Thomson Licensing Sas Procede de prediction de donnees mouvement et de texture
US8457201B2 (en) * 2006-01-09 2013-06-04 Lg Electronics Inc. Inter-layer prediction method for video signal
US9602819B2 (en) * 2011-01-31 2017-03-21 Apple Inc. Display quality in a variable resolution video coder/decoder system
HUE055104T2 (hu) * 2012-01-13 2021-10-28 Interdigital Madison Patent Holdings Eljárás és eszköz kép blokk kódolására, valamint eljárás és dekódoló eszköz
EP2804375A1 (en) 2013-02-22 2014-11-19 Thomson Licensing Coding and decoding methods of a picture block, corresponding devices and data stream
US9286696B2 (en) * 2013-04-08 2016-03-15 Broadcom Corporation Compression within a set of images
US10554713B2 (en) * 2015-06-19 2020-02-04 Microsoft Technology Licensing, Llc Low latency application streaming using temporal frame transformation
US10222932B2 (en) 2015-07-15 2019-03-05 Fyusion, Inc. Virtual reality environment based manipulation of multilayered multi-view interactive digital media representations
US10147211B2 (en) * 2015-07-15 2018-12-04 Fyusion, Inc. Artificially rendering images using viewpoint interpolation and extrapolation
US10242474B2 (en) 2015-07-15 2019-03-26 Fyusion, Inc. Artificially rendering images using viewpoint interpolation and extrapolation
US11095869B2 (en) 2015-09-22 2021-08-17 Fyusion, Inc. System and method for generating combined embedded multi-view interactive digital media representations
US12261990B2 (en) 2015-07-15 2025-03-25 Fyusion, Inc. System and method for generating combined embedded multi-view interactive digital media representations
US12495134B2 (en) 2015-07-15 2025-12-09 Fyusion, Inc. Drone based capture of multi-view interactive digital media
US11006095B2 (en) 2015-07-15 2021-05-11 Fyusion, Inc. Drone based capture of a multi-view interactive digital media
US11783864B2 (en) 2015-09-22 2023-10-10 Fyusion, Inc. Integration of audio into a multi-view interactive digital media representation
US11202017B2 (en) 2016-10-06 2021-12-14 Fyusion, Inc. Live style transfer on a mobile device
US10437879B2 (en) 2017-01-18 2019-10-08 Fyusion, Inc. Visual search using multi-view interactive digital media representations
US20180227482A1 (en) 2017-02-07 2018-08-09 Fyusion, Inc. Scene-aware selection of filters and effects for visual digital media content
US10313651B2 (en) 2017-05-22 2019-06-04 Fyusion, Inc. Snapshots at predefined intervals or angles
US11069147B2 (en) 2017-06-26 2021-07-20 Fyusion, Inc. Modification of multi-view interactive digital media representation
US10592747B2 (en) 2018-04-26 2020-03-17 Fyusion, Inc. Method and apparatus for 3-D auto tagging

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US5528299A (en) * 1990-10-09 1996-06-18 U.S. Philips Corporation Coding system for digital signals corresponding to television pictures and corresponding decoding 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
KR0153671B1 (ko) * 1995-06-30 1998-11-16 배순훈 고선명 텔레비젼 엔코더의 레이트 콘트롤러
US5790686A (en) * 1995-09-19 1998-08-04 University Of Maryland At College Park DCT-based motion estimation method
US5825927A (en) * 1996-01-16 1998-10-20 Hitachi America, Ltd. Methods and apparatus for encoding video data in a manner that is well suited for decoding by regular or downconverting decoders
US6041079A (en) * 1998-06-30 2000-03-21 Thomson Consumer Electronics, Inc, Field/frame conversion of DCT domain mixed field/frame mode macroblocks using 1-dimensional DCT/IDCT

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6907077B2 (en) 2000-09-28 2005-06-14 Nec Corporation Variable resolution decoder
US6839384B2 (en) 2000-11-13 2005-01-04 Nec Corporation Method and apparatus for decoding compressed video signals
US7180948B2 (en) 2001-04-05 2007-02-20 Nec Corporation Image decoder and image decoding method having a frame mode basis and a field mode basis
JP2004147335A (ja) * 2002-10-25 2004-05-20 Humax Co Ltd 映像イメージサイズ変換方法及び映像イメージサイズ変換装置

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US20030185456A1 (en) 2003-10-02
US6748018B2 (en) 2004-06-08

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