TW371387B - Digital image decoding apparatus and method - Google Patents

Digital image decoding apparatus and method

Info

Publication number
TW371387B
TW371387B TW086102705A TW86102705A TW371387B TW 371387 B TW371387 B TW 371387B TW 086102705 A TW086102705 A TW 086102705A TW 86102705 A TW86102705 A TW 86102705A TW 371387 B TW371387 B TW 371387B
Authority
TW
Taiwan
Prior art keywords
section
display frame
forecast
expanding
data
Prior art date
Application number
TW086102705A
Other languages
English (en)
Inventor
Hideo Ohira
Tokumichi Murakami
Kohtaro Asai
Toshiaki Shimada
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
Priority claimed from JP8350305A external-priority patent/JPH1098731A/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of TW371387B publication Critical patent/TW371387B/zh

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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
    • H04N19/50—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
    • H04N19/10—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
    • H04N19/42—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
    • H04N19/43—Hardware specially adapted for motion estimation or compensation
    • 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

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)
TW086102705A 1996-03-04 1997-03-04 Digital image decoding apparatus and method TW371387B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP4634696 1996-03-04
JP20249296 1996-07-31
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 (1)

Publication Number Publication Date
TW371387B true TW371387B (en) 1999-10-01

Family

ID=27292573

Family Applications (1)

Application Number Title Priority Date Filing Date
TW086102705A TW371387B (en) 1996-03-04 1997-03-04 Digital image decoding apparatus and method

Country Status (3)

Country Link
US (1) US6208689B1 (zh)
KR (1) KR100334703B1 (zh)
TW (1) TW371387B (zh)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3707761B2 (ja) * 1997-06-20 2005-10-19 キヤノン株式会社 記録装置および記録方法
JP3271585B2 (ja) * 1998-06-19 2002-04-02 日本電気株式会社 動画像復号装置
JP2001136535A (ja) * 1999-08-25 2001-05-18 Fuji Xerox Co Ltd 画像符号化装置および量子化特性決定装置
AU2001273326A1 (en) * 2000-07-11 2002-01-21 Mediaflow, Llc System and method for calculating an optimum display size for a visual object
US6983017B2 (en) * 2001-08-20 2006-01-03 Broadcom Corporation Method and apparatus for implementing reduced memory mode for high-definition television
AU2003208086B2 (en) * 2002-02-01 2007-11-15 Godo Kaisha Ip Bridge 1 Moving picture coding method and moving picture decoding method
US20050182824A1 (en) * 2002-04-30 2005-08-18 Pierre-Alain Cotte Communications web site
KR100436765B1 (ko) * 2002-07-12 2004-06-23 삼성전자주식회사 디지털 비디오 시스템의 신호처리장치 및 방법
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 (ja) * 2004-12-28 2006-07-06 Nec Corporation 動画像符号化方法、及びこれを用いた装置と、コンピュータプログラム
US20060158677A1 (en) * 2005-01-18 2006-07-20 Atousa Soroushi Enhanced image data processing method and apparatus
JP4273426B2 (ja) * 2005-12-07 2009-06-03 ソニー株式会社 画像処理方法、画像処理装置、画像処理方法のプログラム及び画像処理方法のプログラムを記録した記録媒体
WO2007091588A1 (ja) * 2006-02-09 2007-08-16 Nec Corporation 動画像復号装置、復号画像記録装置、それらの方法及びプログラム
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
US8594137B2 (en) * 2007-02-20 2013-11-26 Teradici Corporation Apparatus and methods for image decoding
US20090319547A1 (en) * 2008-06-19 2009-12-24 Microsoft Corporation Compression Using Hashes
US8761531B2 (en) * 2009-07-09 2014-06-24 Qualcomm Incorporated Image data compression involving sub-sampling of luma and chroma values
JP5698382B2 (ja) 2011-01-12 2015-04-08 シーメンス アクチエンゲゼルシヤフトＳｉｅｍｅｎｓ Ａｋｔｉｅｎｇｅｓｅｌｌｓｃｈａｆｔ ビデオコーダにおける参照イメージの圧縮及び伸長方法
JPWO2012132624A1 (ja) * 2011-03-29 2014-07-24 ルネサスエレクトロニクス株式会社 表示装置及び表示装置制御回路
US20130243100A1 (en) * 2012-03-15 2013-09-19 Mediatek Inc. System and Method for Adaptive Frame Re-compression in Video Processing System
KR101676792B1 (ko) * 2015-06-01 2016-11-16 삼성전자주식회사 데이터를 효율적으로 임베디드 압축 하기 위한 방법, 장치 및 컴퓨터 판독 가능한 기록 매체
KR102535825B1 (ko) 2015-06-03 2023-05-23 삼성전자주식회사 시스템 온 칩 및 시스템 온 칩의 동작 방법
US10742979B2 (en) * 2016-12-21 2020-08-11 Arris Enterprises Llc Nonlinear local activity for adaptive quantization

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3015134B2 (ja) * 1991-04-23 2000-03-06 キヤノン株式会社 画像処理方法及び装置
US5414527A (en) * 1991-08-14 1995-05-09 Fuji Xerox Co., Ltd. Image encoding apparatus sensitive to tone variations
US5663763A (en) * 1992-10-29 1997-09-02 Sony Corp. Picture signal encoding method and apparatus and picture signal decoding method and apparatus
US5724097A (en) * 1993-10-18 1998-03-03 Mitsubishi Denki Kabushiki Kaisha Adaptive quantization of video based on edge detection
JP3732867B2 (ja) * 1995-03-09 2006-01-11 株式会社ルネサステクノロジ 画像伸張装置
US5701158A (en) * 1996-03-04 1997-12-23 Mitsubishi Denki Kabushiki Kaisha Digital image decoding apparatus

Also Published As

Publication number Publication date
KR100334703B1 (ko) 2002-10-12
US6208689B1 (en) 2001-03-27
KR970068643A (ko) 1997-10-13

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