FR2776159B1 - Systeme de codage d'images animees - Google Patents

Systeme de codage d'images animees

Info

Publication number
FR2776159B1
FR2776159B1 FR9900522A FR9900522A FR2776159B1 FR 2776159 B1 FR2776159 B1 FR 2776159B1 FR 9900522 A FR9900522 A FR 9900522A FR 9900522 A FR9900522 A FR 9900522A FR 2776159 B1 FR2776159 B1 FR 2776159B1
Authority
FR
France
Prior art keywords
image coding
coding system
motion image
motion
image
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
FR9900522A
Other languages
English (en)
Other versions
FR2776159A1 (fr
Inventor
Toshiaki Shimada
Hideo Ohira
Kenichi Asano
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 FR2776159A1 publication Critical patent/FR2776159A1/fr
Application granted granted Critical
Publication of FR2776159B1 publication Critical patent/FR2776159B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/177Methods 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]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/124Quantisation
    • H04N19/126Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/14Coding unit complexity, e.g. amount of activity or edge presence estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/154Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods 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
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/152Data rate or code amount at the encoder output by measuring the fullness of the transmission buffer

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
FR9900522A 1998-03-16 1999-01-19 Systeme de codage d'images animees Expired - Fee Related FR2776159B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8503498 1998-03-16

Publications (2)

Publication Number Publication Date
FR2776159A1 FR2776159A1 (fr) 1999-09-17
FR2776159B1 true FR2776159B1 (fr) 2004-07-16

Family

ID=13847427

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9900522A Expired - Fee Related FR2776159B1 (fr) 1998-03-16 1999-01-19 Systeme de codage d'images animees

Country Status (5)

Country Link
US (1) US7593462B2 (fr)
KR (1) KR100319994B1 (fr)
FR (1) FR2776159B1 (fr)
GB (1) GB2335560B (fr)
TW (1) TW501022B (fr)

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US7277483B1 (en) * 2000-04-18 2007-10-02 Ati International Srl Method and apparatus for rate control for constant-bit-rate finite-buffer-size video encoder
JP3825615B2 (ja) * 2000-08-11 2006-09-27 株式会社東芝 動画像符号化装置および動画像符号化方法およびプログラムを記録した媒体
JP2002084544A (ja) * 2000-09-06 2002-03-22 Mitsubishi Electric Corp 動画像符号化装置および動画像符号化方法
US7388912B1 (en) * 2002-05-30 2008-06-17 Intervideo, Inc. Systems and methods for adjusting targeted bit allocation based on an occupancy level of a VBV buffer model
US7889792B2 (en) * 2003-12-24 2011-02-15 Apple Inc. Method and system for video encoding using a variable number of B frames
KR101169108B1 (ko) * 2004-01-30 2012-07-26 톰슨 라이센싱 적응형 레이트 제어를 구비한 인코더
US20050207501A1 (en) * 2004-03-18 2005-09-22 Sony Corporation Method of and system for video bit allocation for scene cuts and scene changes
JP2005333609A (ja) 2004-04-22 2005-12-02 Sanyo Electric Co Ltd 符号化制御回路及び符号化回路
US20050286629A1 (en) * 2004-06-25 2005-12-29 Adriana Dumitras Coding of scene cuts in video sequences using non-reference frames
KR100677128B1 (ko) * 2004-08-30 2007-02-02 삼성전자주식회사 동영상 부호화기의 비트율 제어장치 및 방법
US8325797B2 (en) * 2005-04-11 2012-12-04 Maxim Integrated Products, Inc. System and method of reduced-temporal-resolution update for video coding and quality control
US8422546B2 (en) * 2005-05-25 2013-04-16 Microsoft Corporation Adaptive video encoding using a perceptual model
JP4593437B2 (ja) * 2005-10-21 2010-12-08 パナソニック株式会社 動画像符号化装置
US7995649B2 (en) 2006-04-07 2011-08-09 Microsoft Corporation Quantization adjustment based on texture level
US8503536B2 (en) 2006-04-07 2013-08-06 Microsoft Corporation Quantization adjustments for DC shift artifacts
US8059721B2 (en) 2006-04-07 2011-11-15 Microsoft Corporation Estimating sample-domain distortion in the transform domain with rounding compensation
US8711925B2 (en) 2006-05-05 2014-04-29 Microsoft Corporation Flexible quantization
JP2008022405A (ja) * 2006-07-14 2008-01-31 Sony Corp 画像処理装置および方法、並びに、プログラム
JP4624321B2 (ja) * 2006-08-04 2011-02-02 株式会社メガチップス トランスコーダおよび符号化画像変換方法
US8238424B2 (en) 2007-02-09 2012-08-07 Microsoft Corporation Complexity-based adaptive preprocessing for multiple-pass video compression
US8498335B2 (en) 2007-03-26 2013-07-30 Microsoft Corporation Adaptive deadzone size adjustment in quantization
US20080240257A1 (en) * 2007-03-26 2008-10-02 Microsoft Corporation Using quantization bias that accounts for relations between transform bins and quantization bins
US8243797B2 (en) 2007-03-30 2012-08-14 Microsoft Corporation Regions of interest for quality adjustments
US8442337B2 (en) 2007-04-18 2013-05-14 Microsoft Corporation Encoding adjustments for animation content
US8331438B2 (en) * 2007-06-05 2012-12-11 Microsoft Corporation Adaptive selection of picture-level quantization parameters for predicted video pictures
BRPI0813491B1 (pt) * 2007-07-17 2020-10-06 Nippon Telegraph And Telephone Corporation Aparelho para codificação de vídeo e método para codificação de vídeo
JP4605217B2 (ja) * 2007-12-28 2011-01-05 カシオ計算機株式会社 撮影装置及びそのプログラム
US8897359B2 (en) 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
EP2224745B1 (fr) * 2009-02-27 2019-11-06 STMicroelectronics Srl Echelonnabilité temporelle en cas de changement de scène
JP2011029954A (ja) * 2009-07-27 2011-02-10 Sony Corp 画像符号化装置と画像符号化方法
US8432965B2 (en) * 2010-05-25 2013-04-30 Intellectual Ventures Fund 83 Llc Efficient method for assembling key video snippets to form a video summary
JP5492058B2 (ja) * 2010-11-19 2014-05-14 株式会社メガチップス 画像処理装置
US20150163486A1 (en) * 2013-12-09 2015-06-11 Vixs Systems Inc. Variable bitrate encoding
KR102212762B1 (ko) * 2014-09-17 2021-02-05 삼성전자주식회사 코덱과 이를 포함하는 장치들
CN107872669B (zh) * 2016-09-27 2019-05-24 腾讯科技(深圳)有限公司 视频码率处理方法和装置
GB2591410A (en) 2017-04-21 2021-07-28 Zenimax Media Inc Systems and methods for rendering & pre-encoded load estimation based encoder hinting
CN113489976A (zh) * 2021-07-29 2021-10-08 维沃移动通信有限公司 预测编码方法、装置和电子设备

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Also Published As

Publication number Publication date
FR2776159A1 (fr) 1999-09-17
TW501022B (en) 2002-09-01
GB9827861D0 (en) 1999-02-10
GB2335560B (en) 2000-02-02
GB2335560A (en) 1999-09-22
KR100319994B1 (ko) 2002-04-22
US20020136297A1 (en) 2002-09-26
KR19990076563A (ko) 1999-10-15
US7593462B2 (en) 2009-09-22

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Effective date: 20120928