CN102057677B - 用于增强层视频编码的适应性量化 - Google Patents

用于增强层视频编码的适应性量化 Download PDF

Info

Publication number
CN102057677B
CN102057677B CN2009801213483A CN200980121348A CN102057677B CN 102057677 B CN102057677 B CN 102057677B CN 2009801213483 A CN2009801213483 A CN 2009801213483A CN 200980121348 A CN200980121348 A CN 200980121348A CN 102057677 B CN102057677 B CN 102057677B
Authority
CN
China
Prior art keywords
picture
quantization parameter
information
quantization
video
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.)
Active
Application number
CN2009801213483A
Other languages
English (en)
Chinese (zh)
Other versions
CN102057677A (zh
Inventor
S·瑞古纳萨恩
S·孙
C·图
C-L·林
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.)
Microsoft Technology Licensing LLC
Original Assignee
Microsoft 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 Microsoft Corp filed Critical Microsoft Corp
Priority to CN201310362221.9A priority Critical patent/CN103428497B/zh
Publication of CN102057677A publication Critical patent/CN102057677A/zh
Application granted granted Critical
Publication of CN102057677B publication Critical patent/CN102057677B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H04N19/10—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
    • H04N19/102—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
    • H04N19/169—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
    • H04N19/17—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
    • H04N19/186—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
    • H04N19/10—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
    • H04N19/187—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 scalable video layer
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • H04N19/197—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters including determination of the initial value of an encoding parameter
    • 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
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/34—Scalability techniques involving progressive bit-plane based encoding of the enhancement layer, e.g. fine granular scalability [FGS]
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream

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)
CN2009801213483A 2008-06-03 2009-05-29 用于增强层视频编码的适应性量化 Active CN102057677B (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310362221.9A CN103428497B (zh) 2008-06-03 2009-05-29 用于增强层视频编码的适应性量化

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US12/156,864 2008-06-03
US12/156,864 US8897359B2 (en) 2008-06-03 2008-06-03 Adaptive quantization for enhancement layer video coding
PCT/US2009/045659 WO2009158113A2 (en) 2008-06-03 2009-05-29 Adaptive quantization for enhancement layer video coding

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201310362221.9A Division CN103428497B (zh) 2008-06-03 2009-05-29 用于增强层视频编码的适应性量化

Publications (2)

Publication Number Publication Date
CN102057677A CN102057677A (zh) 2011-05-11
CN102057677B true CN102057677B (zh) 2013-10-02

Family

ID=41379777

Family Applications (2)

Application Number Title Priority Date Filing Date
CN2009801213483A Active CN102057677B (zh) 2008-06-03 2009-05-29 用于增强层视频编码的适应性量化
CN201310362221.9A Active CN103428497B (zh) 2008-06-03 2009-05-29 用于增强层视频编码的适应性量化

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN201310362221.9A Active CN103428497B (zh) 2008-06-03 2009-05-29 用于增强层视频编码的适应性量化

Country Status (7)

Country Link
US (13) US8897359B2 (https=)
EP (3) EP2283655B1 (https=)
JP (2) JP5706318B2 (https=)
KR (2) KR101780505B1 (https=)
CN (2) CN102057677B (https=)
MX (3) MX2010012818A (https=)
WO (1) WO2009158113A2 (https=)

Families Citing this family (120)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8422546B2 (en) 2005-05-25 2013-04-16 Microsoft Corporation Adaptive video encoding using a perceptual model
US8130828B2 (en) 2006-04-07 2012-03-06 Microsoft Corporation Adjusting quantization to preserve non-zero AC coefficients
US8059721B2 (en) 2006-04-07 2011-11-15 Microsoft Corporation Estimating sample-domain distortion in the transform domain with rounding compensation
US7995649B2 (en) 2006-04-07 2011-08-09 Microsoft Corporation Quantization adjustment based on texture level
US7974340B2 (en) 2006-04-07 2011-07-05 Microsoft Corporation Adaptive B-picture quantization control
US8503536B2 (en) 2006-04-07 2013-08-06 Microsoft Corporation Quantization adjustments for DC shift artifacts
US8711925B2 (en) 2006-05-05 2014-04-29 Microsoft Corporation Flexible quantization
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
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
US8189933B2 (en) 2008-03-31 2012-05-29 Microsoft Corporation Classifying and controlling encoding quality for textured, dark smooth and smooth video content
US8897359B2 (en) 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
JP5670444B2 (ja) * 2010-05-13 2015-02-18 シャープ株式会社 符号化装置および復号装置
MX341890B (es) * 2010-06-04 2016-09-07 Sony Corp Dispositivo y metodo de procesamiento de imagenes.
MX355733B (es) 2010-06-10 2018-04-27 Thomson Licensing Métodos y aparatos para determinar predictores de parametro de cuantificación a partir de una pluralidad de parametros de cuantificación contiguos.
US8787444B2 (en) 2010-07-16 2014-07-22 Sony Corporation Differential coding of intra directions (DCIC)
KR20120016991A (ko) * 2010-08-17 2012-02-27 오수미 인터 프리딕션 방법
US20120057629A1 (en) 2010-09-02 2012-03-08 Fang Shi Rho-domain Metrics
WO2012042884A1 (ja) 2010-09-29 2012-04-05 パナソニック株式会社 画像復号方法、画像符号化方法、画像復号装置、画像符号化装置、プログラムおよび集積回路
AU2011310239B2 (en) * 2010-09-30 2015-12-03 Sun Patent Trust Image decoding method, image encoding method, image decoding device, image encoding device, programme, and integrated circuit
WO2012091519A1 (ko) * 2010-12-31 2012-07-05 한국전자통신연구원 영상 정보 부호화 방법 및 복호화 방법과 이를 이용한 장치
JP2017079485A (ja) * 2011-01-24 2017-04-27 ソニー株式会社 画像符号化装置と画像符号化方法およびプログラム
JP6056122B2 (ja) * 2011-01-24 2017-01-11 ソニー株式会社 画像符号化装置と画像復号装置およびその方法とプログラム
AU2015202011B2 (en) * 2011-02-10 2016-10-20 Sony Group Corporation Image Processing Device and Image Processing Method
JP5966932B2 (ja) * 2011-02-10 2016-08-10 ソニー株式会社 画像処理装置、画像処理方法、プログラム及び媒体
US9832460B2 (en) 2011-03-09 2017-11-28 Canon Kabushiki Kaisha Image coding apparatus, method for coding image, program therefor, image decoding apparatus, method for decoding image, and program therefor
BR122020015659B1 (pt) * 2011-03-09 2023-03-28 Nec Corporation Dispositivo de decodificação de vídeo e método de decodificação de vídeo
JP2013034037A (ja) * 2011-03-09 2013-02-14 Canon Inc 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
JP5875236B2 (ja) * 2011-03-09 2016-03-02 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
AU2015200683B2 (en) * 2011-03-09 2016-06-09 Nec Corporation Video encoding device, video decoding device, video encoding method, and video decoding method
CN107087178B (zh) * 2011-03-10 2021-12-28 夏普株式会社 图像解码装置及方法、以及记录介质
CN102685478B (zh) 2011-03-11 2015-04-29 华为技术有限公司 编码方法以及装置、解码方法以及装置
CN102685485B (zh) * 2011-03-11 2014-11-05 华为技术有限公司 编码方法以及装置、解码方法以及装置
RU2579967C2 (ru) * 2011-03-11 2016-04-10 Сони Корпорейшн Устройство и способ обработки изображений
JP6039163B2 (ja) * 2011-04-15 2016-12-07 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
CN103535038B (zh) * 2011-05-16 2017-10-13 杜比实验室特许公司 用于分层vdr编码的有效架构
KR101442127B1 (ko) * 2011-06-21 2014-09-25 인텔렉추얼디스커버리 주식회사 쿼드트리 구조 기반의 적응적 양자화 파라미터 부호화 및 복호화 방법 및 장치
US9854275B2 (en) 2011-06-25 2017-12-26 Qualcomm Incorporated Quantization in video coding
CN103548350B (zh) * 2011-06-28 2017-03-01 日本电气株式会社 图像编码设备和图像解码设备
GB2494468B (en) * 2011-09-12 2014-01-15 Canon Kk Method and device for encoding or decoding information representing prediction modes
US20130179588A1 (en) * 2011-09-21 2013-07-11 General Instrument Corporation Adaptive streaming to multicast and constrained-fidelity constant bit rate encoding
WO2013043919A1 (en) * 2011-09-21 2013-03-28 General Instrument Corporation Constrained fidelity adaptive bitrate encoding systems and methods
WO2013046616A1 (ja) * 2011-09-29 2013-04-04 パナソニック株式会社 画像符号化装置、画像復号装置、画像符号化方法及び画像復号方法
KR20130049523A (ko) * 2011-11-04 2013-05-14 오수미 인트라 예측 블록 생성 장치
KR20130049525A (ko) 2011-11-04 2013-05-14 오수미 잔차 블록 복원을 위한 역변환 방법
KR20130049522A (ko) 2011-11-04 2013-05-14 오수미 인트라 예측 블록 생성 방법
KR20130050406A (ko) * 2011-11-07 2013-05-16 오수미 머지 모드에서의 움직임 정보 생성 방법
KR20130050405A (ko) * 2011-11-07 2013-05-16 오수미 인터 모드에서의 시간 후보자 결정방법
KR20130050403A (ko) * 2011-11-07 2013-05-16 오수미 인터 모드에서의 복원 블록 생성 방법
KR20130050407A (ko) * 2011-11-07 2013-05-16 오수미 인터 모드에서의 움직임 정보 생성 방법
KR20130050404A (ko) * 2011-11-07 2013-05-16 오수미 인터 모드에서의 복원 블록 생성 방법
KR20130050149A (ko) * 2011-11-07 2013-05-15 오수미 인터 모드에서의 예측 블록 생성 방법
TWI580264B (zh) * 2011-11-10 2017-04-21 Sony Corp Image processing apparatus and method
KR20130058524A (ko) * 2011-11-25 2013-06-04 오수미 색차 인트라 예측 블록 생성 방법
WO2013088721A1 (ja) * 2011-12-13 2013-06-20 株式会社Ｊｖｃケンウッド 動画像符号化装置、動画像符号化方法及び動画像符号化プログラム、並びに動画像復号装置、動画像復号方法及び動画像復号プログラム
TWI606718B (zh) * 2012-01-03 2017-11-21 杜比實驗室特許公司 規定視覺動態範圍編碼操作及參數
AR092786A1 (es) * 2012-01-09 2015-05-06 Jang Min Metodos para eliminar artefactos de bloque
US10003802B1 (en) 2012-04-18 2018-06-19 Matrox Graphics Inc. Motion-based adaptive quantization
US10003803B1 (en) 2012-04-18 2018-06-19 Matrox Graphics Inc. Motion-based adaptive quantization
US8873872B1 (en) 2012-04-18 2014-10-28 Matrox Graphics Inc. Division of entropy coding in codecs
US20140003504A1 (en) * 2012-07-02 2014-01-02 Nokia Corporation Apparatus, a Method and a Computer Program for Video Coding and Decoding
WO2014050311A1 (ja) * 2012-09-28 2014-04-03 ソニー株式会社 画像処理装置及び画像処理方法
EP2887663B1 (en) 2012-09-29 2017-02-22 Huawei Technologies Co., Ltd. Method, apparatus and system for encoding and decoding video
KR101491591B1 (ko) * 2012-11-05 2015-02-09 주식회사 케이티 웹앱 가상화 서비스를 제공하는 가상화 서버 및 웹앱 가상화 서비스 제공을 위한 데이터 전송방법
AU2013365309A1 (en) * 2012-12-18 2015-04-30 Sony Corporation Image processing device and image processing method
US9374585B2 (en) * 2012-12-19 2016-06-21 Qualcomm Incorporated Low-delay buffering model in video coding
KR20150090206A (ko) * 2013-01-30 2015-08-05 인텔 코포레이션 차세대 비디오를 위한 코딩을 위한 콘텐츠 적응적 파라메트릭 변환
US10171804B1 (en) 2013-02-21 2019-01-01 Google Llc Video frame encoding scheme selection
RU2665284C2 (ru) 2013-03-21 2018-08-28 Сони Корпорейшн Устройство кодирования изображения и способ, и устройство декодирования изображения и способ
EP2843949B1 (en) * 2013-06-28 2020-04-29 Velos Media International Limited Methods and devices for emulating low-fidelity coding in a high-fidelity coder
US10440365B2 (en) 2013-06-28 2019-10-08 Velos Media, Llc Methods and devices for emulating low-fidelity coding in a high-fidelity coder
US20150016502A1 (en) * 2013-07-15 2015-01-15 Qualcomm Incorporated Device and method for scalable coding of video information
US9294766B2 (en) 2013-09-09 2016-03-22 Apple Inc. Chroma quantization in video coding
US20160234520A1 (en) * 2013-09-16 2016-08-11 Entropic Communications, Llc Efficient progressive jpeg decode method
CN103686177B (zh) * 2013-12-19 2018-02-09 中国科学院深圳先进技术研究院 一种图像压缩、解压的方法、装置及图像系统
KR20160105861A (ko) * 2014-01-02 2016-09-07 브이아이디 스케일, 인크. 혼합된 인터레이스 및 프로그레시브 콘텐트에 의한 스케일러블 비디오 코딩을 위한 방법들, 및 시스템들
MY189001A (en) 2014-03-04 2022-01-17 Microsoft Technology Licensing Llc Adaptive switching of color spaces, color sampling rates and/or bit depths
WO2015131330A1 (en) 2014-03-04 2015-09-11 Microsoft Technology Licensing, Llc Encoding strategies for adaptive switching of color spaces, color sampling rates and/or bit depths
JP6367359B2 (ja) 2014-03-27 2018-08-01 マイクロソフト テクノロジー ライセンシング，エルエルシー 色空間を切り替えるときの量子化／スケーリング及び逆量子化／スケーリングの調整
US10687069B2 (en) 2014-10-08 2020-06-16 Microsoft Technology Licensing, Llc Adjustments to encoding and decoding when switching color spaces
US10021411B2 (en) * 2014-11-05 2018-07-10 Apple Inc. Techniques in backwards compatible multi-layer compression of HDR video
US9363421B1 (en) 2015-01-12 2016-06-07 Google Inc. Correcting for artifacts in an encoder and decoder
JP6512927B2 (ja) * 2015-04-28 2019-05-15 キヤノン株式会社 画像符号化装置及びその制御方法
JP6150912B2 (ja) * 2016-01-20 2017-06-21 キヤノン株式会社 画像符号化装置、画像符号化方法及びプログラム、画像復号装置、画像復号方法及びプログラム
US10395664B2 (en) 2016-01-26 2019-08-27 Dolby Laboratories Licensing Corporation Adaptive Quantization
WO2017203930A1 (en) * 2016-05-27 2017-11-30 Sharp Kabushiki Kaisha Systems and methods for varying quantization parameters
US10469857B2 (en) 2016-09-26 2019-11-05 Samsung Display Co., Ltd. System and method for electronic data communication
US10523895B2 (en) 2016-09-26 2019-12-31 Samsung Display Co., Ltd. System and method for electronic data communication
US10616383B2 (en) 2016-09-26 2020-04-07 Samsung Display Co., Ltd. System and method for electronic data communication
US10075671B2 (en) 2016-09-26 2018-09-11 Samsung Display Co., Ltd. System and method for electronic data communication
GB2554680B (en) * 2016-10-03 2020-04-01 Advanced Risc Mach Ltd Selecting encoding options
US10769818B2 (en) 2017-04-09 2020-09-08 Intel Corporation Smart compression/decompression schemes for efficiency and superior results
US10360695B1 (en) 2017-06-01 2019-07-23 Matrox Graphics Inc. Method and an apparatus for enabling ultra-low latency compression of a stream of pictures
US11070818B2 (en) * 2017-07-05 2021-07-20 Telefonaktiebolaget Lm Ericsson (Publ) Decoding a block of video samples
US11019339B2 (en) * 2017-07-12 2021-05-25 Futurewei Technologies, Inc. Fractional quantization parameter offset in video compression
CN109302608B (zh) * 2017-07-25 2021-06-22 华为技术有限公司 图像处理方法、设备及系统
KR102772028B1 (ko) 2017-09-15 2025-02-26 소니그룹주식회사 화상 처리 장치 및 방법
GB2567835B (en) 2017-10-25 2020-11-18 Advanced Risc Mach Ltd Selecting encoding options
CA3083891C (en) 2017-11-17 2023-05-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for encoding or decoding directional audio coding parameters using different time/frequency resolutions
WO2019194147A1 (en) 2018-04-02 2019-10-10 Sharp Kabushiki Kaisha Systems and methods for deriving quantization parameters for video blocks in video coding
WO2020007827A1 (en) * 2018-07-02 2020-01-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoder, decoder and method for adaptive quantization in multi-channel picture coding
CN120812295A (zh) * 2018-08-03 2025-10-17 维诺瓦国际有限公司 用于信号增强编码的熵编码
EP3675500A1 (en) * 2018-12-24 2020-07-01 InterDigital VC Holdings, Inc. Quantization parameter prediction in video encoding and decoding
US10841356B2 (en) 2018-11-28 2020-11-17 Netflix, Inc. Techniques for encoding a media title while constraining bitrate variations
US10880354B2 (en) 2018-11-28 2020-12-29 Netflix, Inc. Techniques for encoding a media title while constraining quality variations
CN109862359B (zh) * 2018-12-29 2021-01-08 北京数码视讯软件技术发展有限公司 基于分层b帧的码率控制方法、装置和电子设备
WO2020235081A1 (ja) * 2019-05-23 2020-11-26 日本電信電話株式会社 量子化装置、量子化方法及びプログラム
KR102399065B1 (ko) 2019-05-28 2022-05-17 돌비 레버러토리즈 라이쎈싱 코오포레이션 양자화 파라미터 시그널링
US11100899B2 (en) * 2019-08-13 2021-08-24 Facebook Technologies, Llc Systems and methods for foveated rendering
CN113766227B (zh) * 2020-06-06 2023-07-11 华为技术有限公司 用于图像编码和解码的量化和反量化方法及装置
US11924428B2 (en) * 2020-06-24 2024-03-05 Qualcomm Incorporated Scale factor for quantization parameter values in geometry-based point cloud compression
WO2022081492A1 (en) * 2020-10-12 2022-04-21 Qeexo, Co. Quantization of tree-based machine learning models
WO2022154686A1 (en) * 2021-01-13 2022-07-21 Huawei Technologies Co., Ltd. Scalable coding of video and associated features
CN115134598A (zh) * 2021-03-25 2022-09-30 四川大学 一种基于qp估计的压缩视频质量盲增强方法
US20230412806A1 (en) * 2022-06-16 2023-12-21 Nokia Technologies Oy Apparatus, method and computer program product for quantizing neural networks
CN116233353A (zh) * 2023-05-08 2023-06-06 北京航天星桥科技股份有限公司 一种远程视频会议通讯方法及系统
CN119728984B (zh) * 2023-09-27 2025-11-28 四川大学 基于压缩先验的qp自适应压缩视频超分辨率方法
WO2025210017A1 (en) * 2024-04-02 2025-10-09 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for quantization using a quadratic polynomial for compressing media and biomedical signals

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050259729A1 (en) * 2004-05-21 2005-11-24 Shijun Sun Video coding with quality scalability
US20060197777A1 (en) * 2005-03-04 2006-09-07 Samsung Electronics Co., Ltd. Color space scalable video coding and decoding method and apparatus for the same
CN1917647A (zh) * 2005-04-19 2007-02-21 三星电子株式会社 自适应地选择用于熵编码的上下文模型的方法和设备
US20070189626A1 (en) * 2006-02-13 2007-08-16 Akiyuki Tanizawa Video encoding/decoding method and apparatus
EP1871113A1 (en) * 2006-06-20 2007-12-26 THOMSON Licensing Method and apparatus for encoding video enhancement layer with multiresolution color scalability

Family Cites Families (480)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US762026A (en) 1902-10-24 1904-06-07 Ver Chemische Werke Actien Ges Process of making fatty acids.
USRE17095E (en) 1922-10-19 1928-10-02 small
GB897363A (en) 1958-08-13 1962-05-23 Harries Television Res Ltd Improvements in or relating to display devices
GB1218015A (en) 1967-03-13 1971-01-06 Nat Res Dev Improvements in or relating to systems for transmitting television signals
US4460924A (en) 1978-04-19 1984-07-17 Quanticon Inc. Dither quantized signalling for color television
US4334244A (en) 1980-07-28 1982-06-08 Magnavox Government And Industrial Electronics Company Adaptive image enhancement system
FR2532138B1 (fr) 1982-08-20 1986-10-10 Thomson Csf Procede de compression de debit de donnees successivement transmises entre un emetteur et un recepteur de television et systeme mettant en oeuvre le procede
FR2562364B1 (fr) 1984-04-03 1987-06-19 Thomson Csf Procede et systeme de compression de debit de donnees numeriques transmises entre un emetteur et un recepteur de television
JPS60257820A (ja) 1984-06-06 1985-12-19 Toray Ind Inc 気体分離複合膜
JPH0686264B2 (ja) 1984-07-31 1994-11-02 沖電気工業株式会社 現金自動取引装置
CA1327074C (en) 1985-02-28 1994-02-15 Tokumichi Murakami Interframe adaptive vector quantization encoding apparatus and video encoding transmission apparatus
EP0250533B1 (en) 1985-12-24 1993-01-27 British Broadcasting Corporation Method of coding a video signal for transmission in a restricted bandwidth
US4760461A (en) 1986-02-28 1988-07-26 Kabushiki Kaisha Toshiba Binary data compression and expansion processing apparatus
DE3735349A1 (de) 1986-10-18 1988-04-28 Toshiba Kawasaki Kk Bildpresservorrichtung
JP2783534B2 (ja) 1986-11-13 1998-08-06 キヤノン株式会社 符号化装置
NL8700565A (nl) 1987-03-10 1988-10-03 Philips Nv Televisiesysteem waarin aan een transformatiekodering onderworpen gedigitaliseerde beeldsignalen worden overgebracht van een kodeerstation naar een dekodeerstation.
US4774574A (en) 1987-06-02 1988-09-27 Eastman Kodak Company Adaptive block transform image coding method and apparatus
US6563875B2 (en) 1987-12-30 2003-05-13 Thomson Licensing S.A. Adaptive method of encoding and decoding a series of pictures by transformation, and devices for implementing this method
CA1333420C (en) 1988-02-29 1994-12-06 Tokumichi Murakami Vector quantizer
JPH0666948B2 (ja) 1988-02-29 1994-08-24 三菱電機株式会社 フレーム間ベクトル量子化符号化復号化装置
US4821119A (en) 1988-05-04 1989-04-11 Bell Communications Research, Inc. Method and apparatus for low bit-rate interframe video coding
US4965830A (en) 1989-01-17 1990-10-23 Unisys Corp. Apparatus for estimating distortion resulting from compressing digital data
JPH0832047B2 (ja) 1989-04-28 1996-03-27 日本ビクター株式会社 予測符号化装置
US5179442A (en) 1989-06-02 1993-01-12 North American Philips Corporation Method and apparatus for digitally processing a high definition television augmentation signal
US5128758A (en) 1989-06-02 1992-07-07 North American Philips Corporation Method and apparatus for digitally processing a high definition television augmentation signal
US5241395A (en) 1989-08-07 1993-08-31 Bell Communications Research, Inc. Adaptive transform coding using variable block size
GB8918559D0 (en) 1989-08-15 1989-09-27 British Telecomm Video filter
JPH0828875B2 (ja) 1989-08-21 1996-03-21 三菱電機株式会社 符号化装置および復号化装置
US5144426A (en) 1989-10-13 1992-09-01 Matsushita Electric Industrial Co., Ltd. Motion compensated prediction interframe coding system
US5210623A (en) * 1989-12-21 1993-05-11 Eastman Kodak Company Apparatus and method for quantizing and/or reconstructing multi-dimensional digital image signals
JP2841765B2 (ja) 1990-07-13 1998-12-24 日本電気株式会社 適応ビット割当て方法及び装置
JP3069363B2 (ja) 1990-07-20 2000-07-24 株式会社日立製作所 動画像符号化方法、動画像符号化装置、データ記録装置およびデータ通信装置
US5146324A (en) 1990-07-31 1992-09-08 Ampex Corporation Data compression using a feedforward quantization estimator
US5303058A (en) 1990-10-22 1994-04-12 Fujitsu Limited Data processing apparatus for compressing and reconstructing image data
JPH0813138B2 (ja) 1990-11-28 1996-02-07 松下電器産業株式会社 画像符号化装置
US5136377A (en) 1990-12-11 1992-08-04 At&T Bell Laboratories Adaptive non-linear quantizer
US5625714A (en) 1991-01-10 1997-04-29 Olympus Optical Co., Ltd. Image signal decoding device capable of removing block distortion with simple structure
JP3187852B2 (ja) 1991-02-08 2001-07-16 ソニー株式会社 高能率符号化方法
US5333212A (en) 1991-03-04 1994-07-26 Storm Technology Image compression technique with regionally selective compression ratio
US5317672A (en) 1991-03-05 1994-05-31 Picturetel Corporation Variable bit rate speech encoder
JP3278187B2 (ja) 1991-03-14 2002-04-30 三菱電機株式会社 動き適応型輝度信号色信号分離フィルタ
US5611038A (en) 1991-04-17 1997-03-11 Shaw; Venson M. Audio/video transceiver provided with a device for reconfiguration of incompatibly received or transmitted video and audio information
EP0514688A2 (en) 1991-05-21 1992-11-25 International Business Machines Corporation Generalized shape autocorrelation for shape acquisition and recognition
EP0514663A3 (en) 1991-05-24 1993-07-14 International Business Machines Corporation An apparatus and method for motion video encoding employing an adaptive quantizer
DE69222766T2 (de) 1991-06-04 1998-05-07 Qualcomm, Inc., San Diego, Calif. System zur adaptiven kompression der blockgrössen eines bildes
JP2551525Y2 (ja) 1991-08-20 1997-10-22 日本エー・エム・ピー株式会社 電線コネクタ
JP3152765B2 (ja) 1991-10-31 2001-04-03 株式会社東芝 画像符号化装置
TW241350B (https=) 1991-11-07 1995-02-21 Rca Thomson Licensing Corp
US5231484A (en) * 1991-11-08 1993-07-27 International Business Machines Corporation Motion video compression system with adaptive bit allocation and quantization
US5253058A (en) 1992-04-01 1993-10-12 Bell Communications Research, Inc. Efficient coding scheme for multilevel video transmission
JP3245977B2 (ja) 1992-06-30 2002-01-15 ソニー株式会社 ディジタル画像信号の伝送装置
KR0132895B1 (ko) 1992-07-24 1998-10-01 강진구 적응 양자화 기능을 갖는 영상압축 및 신장방법과 그 장치
GB9216659D0 (en) 1992-08-05 1992-09-16 Gerzon Michael A Subtractively dithered digital waveform coding system
JPH0686264A (ja) * 1992-08-31 1994-03-25 Hitachi Ltd 可変速度画像符号化方式
JP3348310B2 (ja) 1992-09-28 2002-11-20 ソニー株式会社 動画像符号化方法および動画像符号化装置
US5663763A (en) 1992-10-29 1997-09-02 Sony Corp. Picture signal encoding method and apparatus and picture signal decoding method and apparatus
KR0166722B1 (ko) 1992-11-30 1999-03-20 윤종용 부호화 및 복호화방법 및 그 장치
JP3406336B2 (ja) 1992-12-15 2003-05-12 ソニー株式会社 画像符号化装置、画像符号化方法、画像復号化装置、および画像復号化方法
US5467134A (en) 1992-12-22 1995-11-14 Microsoft Corporation Method and system for compressing video data
US5544286A (en) 1993-01-29 1996-08-06 Microsoft Corporation Digital video data compression technique
TW224553B (en) 1993-03-01 1994-06-01 Sony Co Ltd Method and apparatus for inverse discrete consine transform and coding/decoding of moving picture
US5412429A (en) 1993-03-11 1995-05-02 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Picture data compression coder using subband/transform coding with a Lempel-Ziv-based coder
US5510785A (en) 1993-03-19 1996-04-23 Sony Corporation Method of coding a digital signal, method of generating a coding table, coding apparatus and coding method
EP1006731B1 (en) 1993-03-29 2007-06-13 Canon Kabushiki Kaisha Code amount control method and encoding apparatus for carrying it out
JPH06296275A (ja) 1993-04-08 1994-10-21 Sony Corp 画像信号符号化方法及び画像信号符号化装置
KR960010196B1 (ko) 1993-06-04 1996-07-26 배순훈 인간의 시각특성을 이용한 디씨(dc) 변환계수 양자화기
US5880775A (en) 1993-08-16 1999-03-09 Videofaxx, Inc. Method and apparatus for detecting changes in a video display
GB2281465B (en) 1993-08-27 1997-06-04 Sony Uk Ltd Image data compression
US5509089A (en) 1993-09-09 1996-04-16 Intel Corporation Method and system for encoding images using temporal filtering
US5724097A (en) 1993-10-18 1998-03-03 Mitsubishi Denki Kabushiki Kaisha Adaptive quantization of video based on edge detection
US6104751A (en) 1993-10-29 2000-08-15 Sgs-Thomson Microelectronics S.A. Apparatus and method for decompressing high definition pictures
BE1007807A3 (nl) 1993-11-30 1995-10-24 Philips Electronics Nv Inrichting voor het coderen van een videosignaal.
US5828786A (en) 1993-12-02 1998-10-27 General Instrument Corporation Analyzer and methods for detecting and processing video data types in a video data stream
JP3224465B2 (ja) 1993-12-22 2001-10-29 シャープ株式会社 画像符号化装置
US5537440A (en) 1994-01-07 1996-07-16 Motorola, Inc. Efficient transcoding device and method
KR0183688B1 (ko) 1994-01-12 1999-05-01 김광호 영상부호화방법 및 장치
US5587708A (en) 1994-01-19 1996-12-24 Industrial Technology Research Institute Division technique unified quantizer-dequantizer
US5592226A (en) 1994-01-26 1997-01-07 Btg Usa Inc. Method and apparatus for video data compression using temporally adaptive motion interpolation
JP3197420B2 (ja) 1994-01-31 2001-08-13 三菱電機株式会社 画像符号化装置
JPH07250327A (ja) 1994-03-08 1995-09-26 Matsushita Electric Ind Co Ltd 画像符号化方法
US5654760A (en) 1994-03-30 1997-08-05 Sony Corporation Selection of quantization step size in accordance with predicted quantization noise
US5649083A (en) 1994-04-15 1997-07-15 Hewlett-Packard Company System and method for dithering and quantizing image data to optimize visual quality of a color recovered image
EP0706155A4 (en) 1994-04-22 1997-06-11 Sony Corp Method and device for encoding image signal and image signal decoding device
KR0148154B1 (ko) 1994-06-15 1998-09-15 김광호 움직임크기에 따른 동영상데이타의 부호화방법 및 장치
JP3954656B2 (ja) 1994-09-29 2007-08-08 ソニー株式会社 画像符号化装置及び方法
US5604856A (en) 1994-10-13 1997-02-18 Microsoft Corporation Motion compensated noise reduction method and system for computer generated images
US5802213A (en) 1994-10-18 1998-09-01 Intel Corporation Encoding video signals using local quantization levels
US6026190A (en) 1994-10-31 2000-02-15 Intel Corporation Image signal encoding with variable low-pass filter
US5539469A (en) 1994-12-30 1996-07-23 Daewoo Electronics Co., Ltd. Apparatus for determining motion vectors through the use of an adaptive median filtering technique
JP2738325B2 (ja) 1995-01-24 1998-04-08 日本電気株式会社 動き補償フレーム間予測装置
US5724456A (en) 1995-03-31 1998-03-03 Polaroid Corporation Brightness adjustment of images using digital scene analysis
US5623424A (en) 1995-05-08 1997-04-22 Kabushiki Kaisha Toshiba Rate-controlled digital video editing method and system which controls bit allocation of a video encoder by varying quantization levels
US5781788A (en) 1995-05-08 1998-07-14 Avc Technology, Inc. Full duplex single clip video codec
US5835149A (en) 1995-06-06 1998-11-10 Intel Corporation Bit allocation in a coded video sequence
JPH08336139A (ja) 1995-06-08 1996-12-17 Casio Comput Co Ltd 画像データ処理装置および量子化方法
US5926209A (en) 1995-07-14 1999-07-20 Sensormatic Electronics Corporation Video camera apparatus with compression system responsive to video camera adjustment
US5793371A (en) 1995-08-04 1998-08-11 Sun Microsystems, Inc. Method and apparatus for geometric compression of three-dimensional graphics data
KR100304660B1 (ko) 1995-09-22 2001-11-22 윤종용 누적에러처리를통한비디오신호부호화방법및부호화기
US5995670A (en) 1995-10-05 1999-11-30 Microsoft Corporation Simplified chain encoding
CA2187044C (en) 1995-10-06 2003-07-01 Vishal Markandey Method to reduce perceptual contouring in display systems
US5835495A (en) 1995-10-11 1998-11-10 Microsoft Corporation System and method for scaleable streamed audio transmission over a network
US5819035A (en) 1995-10-20 1998-10-06 Matsushita Electric Industrial Co., Ltd. Post-filter for removing ringing artifacts of DCT coding
US6160846A (en) 1995-10-25 2000-12-12 Sarnoff Corporation Apparatus and method for optimizing the rate control in a coding system
US5926791A (en) 1995-10-26 1999-07-20 Sony Corporation Recursively splitting the low-frequency band with successively fewer filter taps in methods and apparatuses for sub-band encoding, decoding, and encoding and decoding
US6571019B1 (en) 1995-10-26 2003-05-27 Hyundai Curitel, Inc Apparatus and method of encoding/decoding a coded block pattern
WO1997021302A1 (en) 1995-12-08 1997-06-12 Trustees Of Dartmouth College Fast lossy internet image transmission apparatus and methods
US5761088A (en) 1995-12-18 1998-06-02 Philips Electronics North America Corporation Method and apparatus for channel identification using incomplete or noisy information
US5878166A (en) 1995-12-26 1999-03-02 C-Cube Microsystems Field frame macroblock encoding decision
US5787203A (en) 1996-01-19 1998-07-28 Microsoft Corporation Method and system for filtering compressed video images
JP3067628B2 (ja) 1996-01-19 2000-07-17 日本電気株式会社 画像符号化装置
US5799113A (en) 1996-01-19 1998-08-25 Microsoft Corporation Method for expanding contracted video images
US5835145A (en) 1996-01-19 1998-11-10 Lsi Logic Corporation Conversion system using programmable tables for compressing transform coefficients
US5731837A (en) 1996-01-25 1998-03-24 Thomson Multimedia, S.A. Quantization circuitry as for video signal compression systems
US6957350B1 (en) 1996-01-30 2005-10-18 Dolby Laboratories Licensing Corporation Encrypted and watermarked temporal and resolution layering in advanced television
JP3521596B2 (ja) 1996-01-30 2004-04-19 ソニー株式会社 信号符号化方法
US5786856A (en) 1996-03-19 1998-07-28 International Business Machines Method for adaptive quantization by multiplication of luminance pixel blocks by a modified, frequency ordered hadamard matrix
US5682152A (en) 1996-03-19 1997-10-28 Johnson-Grace Company Data compression using adaptive bit allocation and hybrid lossless entropy encoding
US5764814A (en) 1996-03-22 1998-06-09 Microsoft Corporation Representation and encoding of general arbitrary shapes
US5764803A (en) 1996-04-03 1998-06-09 Lucent Technologies Inc. Motion-adaptive modelling of scene content for very low bit rate model-assisted coding of video sequences
US5850482A (en) 1996-04-17 1998-12-15 Mcdonnell Douglas Corporation Error resilient method and apparatus for entropy coding
US5739861A (en) 1996-05-06 1998-04-14 Music; John D. Differential order video encoding system
US5815097A (en) 1996-05-23 1998-09-29 Ricoh Co. Ltd. Method and apparatus for spatially embedded coding
DE69718687T2 (de) 1996-05-28 2003-05-22 Matsushita Electric Industrial Co., Ltd. Vorrichtung und verfahren zur bildvorhersage und -codierung/ -decodierung.
US5809178A (en) 1996-06-11 1998-09-15 Apple Computer, Inc. Elimination of visible quantizing artifacts in a digital image utilizing a critical noise/quantizing factor
US6865291B1 (en) 1996-06-24 2005-03-08 Andrew Michael Zador Method apparatus and system for compressing data that wavelet decomposes by color plane and then divides by magnitude range non-dc terms between a scalar quantizer and a vector quantizer
CA2208950A1 (en) 1996-07-03 1998-01-03 Xuemin Chen Rate control for stereoscopic digital video encoding
KR100242637B1 (ko) 1996-07-06 2000-02-01 윤종용 동보상된 영상의 블록화효과 및 링잉노이즈 감소를 위한 루프필터링방법
JP3796756B2 (ja) 1996-08-30 2006-07-12 ソニー株式会社 静止画動画記録装置及び静止画動画記録方法
FR2753330B1 (fr) 1996-09-06 1998-11-27 Thomson Multimedia Sa Procede de quantification pour codage video
WO1998010594A1 (fr) 1996-09-06 1998-03-12 Sony Corporation Procede et dispositif de codage de donnees
KR100297830B1 (ko) 1996-11-09 2001-08-07 윤종용 영상단위별 비트발생량 조절 장치 및 방법
US6233017B1 (en) 1996-09-16 2001-05-15 Microsoft Corporation Multimedia compression system with adaptive block sizes
GB2317525B (en) 1996-09-20 2000-11-08 Nokia Mobile Phones Ltd A video coding system
JPH10107644A (ja) 1996-09-26 1998-04-24 Sony Corp 量子化装置および方法、並びに、符号化装置および方法
JP3934712B2 (ja) 1996-09-27 2007-06-20 日本ビクター株式会社 映像信号符号化方法及び装置
KR100303685B1 (ko) 1996-09-30 2001-09-24 송문섭 영상 예측부호화 장치 및 그 방법
GB2318472B (en) 1996-10-09 2000-11-15 Sony Uk Ltd Processing encoded signals
KR100198788B1 (ko) 1996-12-09 1999-06-15 정선종 차동 펄스 부호 변조기를 포함한 양자화/역양자화 회로
JP4032446B2 (ja) 1996-12-12 2008-01-16 ソニー株式会社 映像データ圧縮装置およびその方法
AU5410298A (en) 1996-12-12 1998-07-03 Matsushita Electric Industrial Co., Ltd. Picture encoder and picture decoder
JPH10174103A (ja) 1996-12-13 1998-06-26 Matsushita Electric Ind Co Ltd 画像符号化装置、符号化画像記録媒体、画像復号化装置、画像符号化方法、および符号化画像伝送方法
WO1998037701A1 (en) 1997-02-12 1998-08-27 Sarnoff Corporation Apparatus and method for optimizing the rate control in a coding system
US6347116B1 (en) 1997-02-14 2002-02-12 At&T Corp. Non-linear quantizer for video coding
DE69838639T2 (de) 1997-02-14 2008-08-28 Nippon Telegraph And Telephone Corp. Prädiktives kodierungs- und dekodierungsverfahren für dynamische bilder
US5969764A (en) 1997-02-14 1999-10-19 Mitsubishi Electric Information Technology Center America, Inc. Adaptive video coding method
US6373894B1 (en) 1997-02-18 2002-04-16 Sarnoff Corporation Method and apparatus for recovering quantized coefficients
US6115420A (en) 1997-03-14 2000-09-05 Microsoft Corporation Digital video signal encoder and encoding method
US6118817A (en) 1997-03-14 2000-09-12 Microsoft Corporation Digital video signal encoder and encoding method having adjustable quantization
US5844613A (en) 1997-03-17 1998-12-01 Microsoft Corporation Global motion estimator for motion video signal encoding
US6633611B2 (en) 1997-04-24 2003-10-14 Mitsubishi Denki Kabushiki Kaisha Method and apparatus for region-based moving image encoding and decoding
US6058215A (en) 1997-04-30 2000-05-02 Ricoh Company, Ltd. Reversible DCT for lossless-lossy compression
US5959693A (en) 1997-05-07 1999-09-28 General Instrument Corporation Pixel adaptive noise reduction filter for digital video
US6088392A (en) 1997-05-30 2000-07-11 Lucent Technologies Inc. Bit rate coder for differential quantization
JP3617253B2 (ja) 1997-06-03 2005-02-02 富士ゼロックス株式会社 画像符号化装置および方法
FI107496B (fi) 1997-07-18 2001-08-15 Nokia Mobile Phones Ltd Kuvan kompressointi
JPH1141610A (ja) 1997-07-24 1999-02-12 Nippon Telegr & Teleph Corp <Ntt> 可変速度符号化制御方法及び装置
US6281942B1 (en) 1997-08-11 2001-08-28 Microsoft Corporation Spatial and temporal filtering mechanism for digital motion video signals
KR100244290B1 (ko) 1997-09-09 2000-02-01 구자홍 저속 전송에서의 동영상을 위한 디블록킹 필터링 방법
US6091777A (en) 1997-09-18 2000-07-18 Cubic Video Technologies, Inc. Continuously adaptive digital video compression system and method for a web streamer
US6359928B1 (en) 1997-09-29 2002-03-19 University Of Southern California System and method for compressing images using multi-threshold wavelet coding
US6295379B1 (en) 1997-09-29 2001-09-25 Intel Corporation DPCM image compression with plural quantization table levels
US6493385B1 (en) 1997-10-23 2002-12-10 Mitsubishi Denki Kabushiki Kaisha Image encoding method, image encoder, image decoding method, and image decoder
US6862320B1 (en) 1997-10-23 2005-03-01 Mitsubishi Denki Kabushiki Kaisha Image decoder, image encoder, image communication system, and encoded bit stream converter
JP4531871B2 (ja) 1997-10-30 2010-08-25 富士通セミコンダクター株式会社 画像情報処理装置及び符号装置
WO1999025121A1 (en) 1997-11-07 1999-05-20 Pipe Dream, Inc. Method for compressing and decompressing motion video
US6731811B1 (en) 1997-12-19 2004-05-04 Voicecraft, Inc. Scalable predictive coding method and apparatus
US6873368B1 (en) 1997-12-23 2005-03-29 Thomson Licensing Sa. Low noise encoding and decoding method
KR100243430B1 (ko) 1997-12-31 2000-02-01 구자홍 적응형 양자화 제어방법
US6275527B1 (en) 1998-01-14 2001-08-14 Conexant Systems, Inc. Pre-quantization in motion compensated video coding
EP1051853B1 (en) 1998-01-26 2003-06-18 STMicroelectronics Asia Pacific Pte Ltd. One-pass variable bit rate moving pictures encoding
CA2260578C (en) 1998-01-27 2003-01-14 At&T Corp. Method and apparatus for encoding video shape and texture information
JP3462066B2 (ja) * 1998-01-29 2003-11-05 株式会社東芝 Ａｄｐｃｍ圧縮装置、ａｄｐｃｍ伸長装置及びａｄｐｃｍ圧縮伸長装置
US6360017B1 (en) 1998-03-05 2002-03-19 Lucent Technologies Inc. Perceptual-based spatio-temporal segmentation for motion estimation
US6249614B1 (en) 1998-03-06 2001-06-19 Alaris, Inc. Video compression and decompression using dynamic quantization and/or encoding
KR100281463B1 (ko) 1998-03-14 2001-02-01 전주범 물체 기반 부호화 시스템의 보조 정보 부호화 장치
TW501022B (en) 1998-03-16 2002-09-01 Mitsubishi Electric Corp Moving picture coding system
US6278735B1 (en) 1998-03-19 2001-08-21 International Business Machines Corporation Real-time single pass variable bit rate control strategy and encoder
US6125147A (en) 1998-05-07 2000-09-26 Motorola, Inc. Method and apparatus for reducing breathing artifacts in compressed video
US6115689A (en) 1998-05-27 2000-09-05 Microsoft Corporation Scalable audio coder and decoder
US6285774B1 (en) 1998-06-08 2001-09-04 Digital Video Express, L.P. System and methodology for tracing to a source of unauthorized copying of prerecorded proprietary material, such as movies
US7313318B2 (en) 1998-06-17 2007-12-25 Victor Company Of Japan, Limited Video signal encoding and recording apparatus with variable transmission rate
US6212232B1 (en) 1998-06-18 2001-04-03 Compaq Computer Corporation Rate control and bit allocation for low bit rate video communication applications
JP2000013794A (ja) 1998-06-23 2000-01-14 Mitsubishi Electric Corp 動画像符号化装置、動画像符号化方法、動画像復号装置、および動画像復号方法
US6411651B1 (en) 1998-06-26 2002-06-25 Compaq Information Technologies Group, L.P. Method and system for distributed video compression in personal computer architecture
US6275614B1 (en) 1998-06-26 2001-08-14 Sarnoff Corporation Method and apparatus for block classification and adaptive bit allocation
US20020001412A1 (en) 1998-07-21 2002-01-03 Hewlett-Packard Company System for variable quantization in jpeg for compound documents
RU2154918C1 (ru) 1998-08-01 2000-08-20 Самсунг Электроникс Ко., Лтд. Способ и устройство для цикл-фильтрации данных изображения
US6389171B1 (en) 1998-08-14 2002-05-14 Apple Computer, Inc. Method and apparatus for a digital video cassette (DVC) decode system
US6219838B1 (en) 1998-08-24 2001-04-17 Sharewave, Inc. Dithering logic for the display of video information
KR100281967B1 (ko) 1998-08-31 2001-02-15 전주범 공간 상관성을 이용한 영상 부호화 장치 및 그 방법
US6380985B1 (en) 1998-09-14 2002-04-30 Webtv Networks, Inc. Resizing and anti-flicker filtering in reduced-size video images
US6256423B1 (en) 1998-09-18 2001-07-03 Sarnoff Corporation Intra-frame quantizer selection for video compression
US6546049B1 (en) 1998-10-05 2003-04-08 Sarnoff Corporation Parameterized quantization matrix adaptation for video encoding
US6393155B1 (en) 1998-11-04 2002-05-21 International Business Machines Corporation Error reduction in transformed digital data
US6256422B1 (en) 1998-11-04 2001-07-03 International Business Machines Corporation Transform-domain correction of real-domain errors
AU743246B2 (en) 1998-11-04 2002-01-24 Mitsubishi Denki Kabushiki Kaisha Image decoder and image encoder
US6584154B1 (en) 1998-11-26 2003-06-24 Oki Electric Industry Co., Ltd. Moving-picture coding and decoding method and apparatus with reduced computational cost
US6983018B1 (en) 1998-11-30 2006-01-03 Microsoft Corporation Efficient motion vector coding for video compression
US6418166B1 (en) 1998-11-30 2002-07-09 Microsoft Corporation Motion estimation and block matching pattern
US6223162B1 (en) 1998-12-14 2001-04-24 Microsoft Corporation Multi-level run length coding for frequency-domain audio coding
US6473534B1 (en) 1999-01-06 2002-10-29 Hewlett-Packard Company Multiplier-free implementation of DCT used in image and video processing and compression
WO2000049570A1 (en) 1999-02-19 2000-08-24 Unisearch Limited Method for visual optimisation of embedded block codes to exploit visual masking phenomena
US6473409B1 (en) 1999-02-26 2002-10-29 Microsoft Corp. Adaptive filtering system and method for adaptively canceling echoes and reducing noise in digital signals
CA2280662A1 (en) 1999-05-21 2000-11-21 Joe Toth Media server with multi-dimensional scalable data compression
US6370502B1 (en) 1999-05-27 2002-04-09 America Online, Inc. Method and system for reduction of quantization-induced block-discontinuities and general purpose audio codec
FR2794563B1 (fr) 1999-06-04 2002-08-16 Thomson Multimedia Sa Procede d'adressage de panneau d'affichage au plasma
US6625215B1 (en) 1999-06-07 2003-09-23 Lucent Technologies Inc. Methods and apparatus for context-based inter/intra coding mode selection
FI111764B (fi) 1999-06-10 2003-09-15 Nokia Corp Menetelmä ja järjestely kuvatiedon käsittelemiseksi
US6490319B1 (en) 1999-06-22 2002-12-03 Intel Corporation Region of interest video coding
JP2001008215A (ja) 1999-06-24 2001-01-12 Victor Co Of Japan Ltd 動画像符号化装置及びその方法
JP2001016594A (ja) 1999-06-29 2001-01-19 Hitachi Ltd 動画像の動き補償方法
US6263022B1 (en) 1999-07-06 2001-07-17 Philips Electronics North America Corp. System and method for fine granular scalable video with selective quality enhancement
CN1181690C (zh) 1999-07-20 2004-12-22 皇家菲利浦电子有限公司 用于压缩视频序列的编码方法
US6408026B1 (en) 1999-08-06 2002-06-18 Sony Corporation Deadzone quantization method and apparatus for image compression
FI107495B (fi) 1999-08-13 2001-08-15 Nokia Multimedia Network Termi Menetelmä ja järjestely koodatun digitaalisen kuvabittivirran volyymin tai tahdin pienentämiseksi
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
US6788740B1 (en) 1999-10-01 2004-09-07 Koninklijke Philips Electronics N.V. System and method for encoding and decoding enhancement layer data using base layer quantization data
JP4562051B2 (ja) 1999-11-30 2010-10-13 独立行政法人産業技術総合研究所 損耗センサ付き切削工具の信号処理装置および信号処理方法
US6693645B2 (en) 1999-12-01 2004-02-17 Ivast, Inc. Optimized BIFS encoder
US6765962B1 (en) 1999-12-02 2004-07-20 Sarnoff Corporation Adaptive selection of quantization scales for video encoding
US6456744B1 (en) 1999-12-30 2002-09-24 Quikcat.Com, Inc. Method and apparatus for video compression using sequential frame cellular automata transforms
CN1199468C (zh) 2000-01-12 2005-04-27 皇家菲利浦电子有限公司 图像数据压缩
FI116819B (fi) 2000-01-21 2006-02-28 Nokia Corp Menetelmä kuvien lähettämiseksi ja kuvakooderi
US6738423B1 (en) 2000-01-21 2004-05-18 Nokia Mobile Phones Ltd. Method for encoding and decoding video information, a motion compensated video encoder and a corresponding decoder
US6600836B1 (en) 2000-01-28 2003-07-29 Qualcomm, Incorporated Quality based image compression
JP2001245303A (ja) 2000-02-29 2001-09-07 Toshiba Corp 動画像符号化装置および動画像符号化方法
US7035473B1 (en) 2000-03-01 2006-04-25 Sharp Laboratories Of America, Inc. Distortion-adaptive visual frequency weighting
JP4254017B2 (ja) 2000-03-10 2009-04-15 ソニー株式会社 画像符号化装置及び方法
WO2001084850A1 (en) 2000-04-27 2001-11-08 Koninklijke Philips Electronics N.V. Video compression
US7289154B2 (en) 2000-05-10 2007-10-30 Eastman Kodak Company Digital image processing method and apparatus for brightness adjustment of digital images
US6876703B2 (en) 2000-05-11 2005-04-05 Ub Video Inc. Method and apparatus for video coding
US6747660B1 (en) 2000-05-12 2004-06-08 Microsoft Corporation Method and system for accelerating noise
US6873654B1 (en) 2000-05-16 2005-03-29 Redrock Semiconductor, Inc Method and system for predictive control for live streaming video/audio media
JP2001358948A (ja) 2000-06-15 2001-12-26 Canon Inc 画像処理方法及び装置
US7023922B1 (en) 2000-06-21 2006-04-04 Microsoft Corporation Video coding system and method using 3-D discrete wavelet transform and entropy coding with motion information
US6593925B1 (en) 2000-06-22 2003-07-15 Microsoft Corporation Parameterized animation compression methods and arrangements
US7177358B2 (en) 2000-06-27 2007-02-13 Mitsubishi Denki Kabushiki Kaisha Picture coding apparatus, and picture coding method
AU2001276876A1 (en) 2000-07-11 2002-01-21 Mediaflow, Llc Adaptive edge detection and enhancement for image processing
WO2002007438A1 (en) 2000-07-17 2002-01-24 Trustees Of Boston University Generalized lapped biorthogonal transform embedded inverse discrete cosine transform and low bit rate video sequence coding artifact removal
JP4256574B2 (ja) 2000-08-04 2009-04-22 富士通株式会社 画像信号符号化方法および画像信号符号化装置
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
JP3561485B2 (ja) * 2000-08-18 2004-09-02 株式会社メディアグルー 符号化信号分離・合成装置、差分符号化信号生成装置、符号化信号分離・合成方法、差分符号化信号生成方法、符号化信号分離・合成プログラムを記録した媒体および差分符号化信号生成プログラムを記録した媒体
US6678422B1 (en) 2000-08-30 2004-01-13 National Semiconductor Corporation Method and apparatus for image data compression with low memory requirement
US6834080B1 (en) 2000-09-05 2004-12-21 Kabushiki Kaisha Toshiba Video encoding method and video encoding apparatus
US6748020B1 (en) 2000-10-25 2004-06-08 General Instrument Corporation Transcoder-multiplexer (transmux) software architecture
KR100355829B1 (ko) 2000-12-13 2002-10-19 엘지전자 주식회사 영상의 공간적 유사성을 이용한 ｄｐｃｍ 영상 부호화 장치
US7058127B2 (en) 2000-12-27 2006-06-06 International Business Machines Corporation Method and system for video transcoding
WO2002054777A1 (en) 2000-12-28 2002-07-11 Koninklijke Philips Electronics N.V. Mpeg-2 down-sampled video generation
US7072525B1 (en) 2001-02-16 2006-07-04 Yesvideo, Inc. Adaptive filtering of visual image using auxiliary image information
US6757429B2 (en) 2001-02-21 2004-06-29 Boly Media Communications Inc. Method of compressing digital images
US8374237B2 (en) 2001-03-02 2013-02-12 Dolby Laboratories Licensing Corporation High precision encoding and decoding of video images
FR2822284B1 (fr) 2001-03-13 2004-01-02 Thomson Multimedia Sa Procede d'affichage d'images video sur panneau d'affichage a plasma et panneaux d'affichage a plasma correspondant
US6832005B2 (en) 2001-03-23 2004-12-14 Microsoft Corporation Adaptive encoding and decoding of bi-level images
US6831947B2 (en) 2001-03-23 2004-12-14 Sharp Laboratories Of America, Inc. Adaptive quantization based on bit rate prediction and prediction error energy
WO2002080575A1 (fr) 2001-03-29 2002-10-10 Sony Corporation Appareil, procede et programme de traitement d'images, et support d'enregistrement
US6687294B2 (en) 2001-04-27 2004-02-03 Koninklijke Philips Electronics N.V. Distortion quantizer model for video encoding
US7206453B2 (en) 2001-05-03 2007-04-17 Microsoft Corporation Dynamic filtering for lossy compression
US6882753B2 (en) 2001-06-04 2005-04-19 Silicon Integrated Systems Corp. Adaptive quantization using code length in image compression
US6704718B2 (en) 2001-06-05 2004-03-09 Microsoft Corporation System and method for trainable nonlinear prediction of transform coefficients in data compression
US6909745B1 (en) 2001-06-05 2005-06-21 At&T Corp. Content adaptive video encoder
US20030189980A1 (en) 2001-07-02 2003-10-09 Moonlight Cordless Ltd. Method and apparatus for motion estimation between video frames
US6975680B2 (en) 2001-07-12 2005-12-13 Dolby Laboratories, Inc. Macroblock mode decision biasing for video compression systems
US20030112863A1 (en) 2001-07-12 2003-06-19 Demos Gary A. Method and system for improving compressed image chroma information
US7042941B1 (en) 2001-07-17 2006-05-09 Vixs, Inc. Method and apparatus for controlling amount of quantization processing in an encoder
US7079692B2 (en) 2001-07-24 2006-07-18 Koninklijke Philips Electronics N.V. Reduced complexity video decoding by reducing the IDCT computation in B-frames
US7801215B2 (en) 2001-07-24 2010-09-21 Sasken Communication Technologies Limited Motion estimation technique for digital video encoding applications
US6987889B1 (en) 2001-08-10 2006-01-17 Polycom, Inc. System and method for dynamic perceptual coding of macroblocks in a video frame
US7110455B2 (en) 2001-08-14 2006-09-19 General Instrument Corporation Noise reduction pre-processor for digital video using previously generated motion vectors and adaptive spatial filtering
JP4392782B2 (ja) 2001-08-21 2010-01-06 Ｋｄｄｉ株式会社 低レート映像符号化における量子化制御方法
US6891889B2 (en) * 2001-09-05 2005-05-10 Intel Corporation Signal to noise ratio optimization for video compression bit-rate control
US7440504B2 (en) 2001-09-24 2008-10-21 Broadcom Corporation Method and apparatus for performing deblocking filtering with interlace capability
US6977659B2 (en) 2001-10-11 2005-12-20 At & T Corp. Texture replacement in video sequences and images
US6992725B2 (en) 2001-10-22 2006-01-31 Nec Electronics America, Inc. Video data de-interlacing using perceptually-tuned interpolation scheme
US7107584B2 (en) 2001-10-23 2006-09-12 Microsoft Corporation Data alignment between native and non-native shared data structures
US6810083B2 (en) 2001-11-16 2004-10-26 Koninklijke Philips Electronics N.V. Method and system for estimating objective quality of compressed video data
KR100643453B1 (ko) 2001-11-17 2006-11-10 엘지전자 주식회사 오브젝트 기반 비트율 제어방법
US6993200B2 (en) 2001-11-20 2006-01-31 Sony Corporation System and method for effectively rendering high dynamic range images
MXPA03006715A (es) 2001-11-29 2003-10-24 Matsushita Electric Industrial Co Ltd Metodo para la remocion de la distorsion de la codificacion, metodo codificador de video, metodo descodificador de video y aparato y programa para los mismos.
US7295609B2 (en) 2001-11-30 2007-11-13 Sony Corporation Method and apparatus for coding image information, method and apparatus for decoding image information, method and apparatus for coding and decoding image information, and system of coding and transmitting image information
JP4254147B2 (ja) 2001-11-30 2009-04-15 ソニー株式会社 画像情報符号化方法及び装置、並びにプログラム及び記録媒体
AU2002351389A1 (en) 2001-12-17 2003-06-30 Microsoft Corporation Skip macroblock coding
CN101448162B (zh) 2001-12-17 2013-01-02 微软公司 处理视频图像的方法
US6763068B2 (en) 2001-12-28 2004-07-13 Nokia Corporation Method and apparatus for selecting macroblock quantization parameters in a video encoder
US9031128B2 (en) 2001-12-31 2015-05-12 Stmicroelectronics Asia Pacific Pte Ltd. Video encoding
US6985529B1 (en) 2002-01-07 2006-01-10 Apple Computer, Inc. Generation and use of masks in MPEG video encoding to indicate non-zero entries in transformed macroblocks
US20030128754A1 (en) 2002-01-09 2003-07-10 Hiroshi Akimoto Motion estimation method for control on the basis of scene analysis in video compression systems
US6647152B2 (en) 2002-01-25 2003-11-11 Thomson Licensing S.A. Method and system for contouring reduction
US20050105889A1 (en) 2002-03-22 2005-05-19 Conklin Gregory J. Video picture compression artifacts reduction via filtering and dithering
US7430303B2 (en) 2002-03-29 2008-09-30 Lockheed Martin Corporation Target detection method and system
US7116831B2 (en) 2002-04-10 2006-10-03 Microsoft Corporation Chrominance motion vector rounding
JP4571489B2 (ja) 2002-04-23 2010-10-27 ノキア コーポレイション ビデオ符号化システムにおける量子化器パラメータを表示するための方法および装置
KR20050007348A (ko) 2002-04-26 2005-01-17 더 트러스티스 오브 콜롬비아 유니버시티 인 더 시티 오브 뉴욕 유틸리티 기능 디스크립터에 기초하는 최적의 비디오트랜스코딩 방법 및 시스템
US7242713B2 (en) 2002-05-02 2007-07-10 Microsoft Corporation 2-D transforms for image and video coding
US7609767B2 (en) 2002-05-03 2009-10-27 Microsoft Corporation Signaling for fading compensation
US20030215011A1 (en) 2002-05-17 2003-11-20 General Instrument Corporation Method and apparatus for transcoding compressed video bitstreams
US7145948B2 (en) 2002-05-29 2006-12-05 Koninklijke Philips Electronics N.V. Entropy constrained scalar quantizer for a Laplace-Markov source
JP2004023288A (ja) 2002-06-13 2004-01-22 Kddi R & D Laboratories Inc 動画像符号化のための前処理方式
US6961376B2 (en) 2002-06-25 2005-11-01 General Instrument Corporation Methods and apparatus for rate control during dual pass encoding
US7280700B2 (en) 2002-07-05 2007-10-09 Microsoft Corporation Optimization techniques for data compression
US7599579B2 (en) 2002-07-11 2009-10-06 Ge Medical Systems Global Technology Company, Llc Interpolated image filtering method and apparatus
JP2004056249A (ja) 2002-07-17 2004-02-19 Sony Corp 符号化装置および方法、復号装置および方法、記録媒体、並びにプログラム
US6947045B1 (en) 2002-07-19 2005-09-20 At&T Corporation Coding of animated 3-D wireframe models for internet streaming applications: methods, systems and program products
US6975773B1 (en) 2002-07-30 2005-12-13 Qualcomm, Incorporated Parameter selection in data compression and decompression
US6891548B2 (en) 2002-08-23 2005-05-10 Hewlett-Packard Development Company, L.P. System and method for calculating a texture-mapping gradient
KR20050035539A (ko) 2002-09-06 2005-04-18 코닌클리케 필립스 일렉트로닉스 엔.브이. 개선된 효율 및 에러 복구를 위한 컨텐츠-적응형의 다수의설명 움직임 보상 방법
US6795584B2 (en) 2002-10-03 2004-09-21 Nokia Corporation Context-based adaptive variable length coding for adaptive block transforms
US6807317B2 (en) 2002-10-25 2004-10-19 Motorola, Inc. Method and decoder system for reducing quantization effects of a decoded image
US7139437B2 (en) 2002-11-12 2006-11-21 Eastman Kodak Company Method and system for removing artifacts in compressed images
GB0228556D0 (en) 2002-12-06 2003-01-15 British Telecomm Video quality measurement
US8054880B2 (en) 2004-12-10 2011-11-08 Tut Systems, Inc. Parallel rate control for digital video encoder with multi-processor architecture and picture-based look-ahead window
US7099389B1 (en) 2002-12-10 2006-08-29 Tut Systems, Inc. Rate control with picture-based lookahead window
JP4214771B2 (ja) 2002-12-12 2009-01-28 ソニー株式会社 画像処理装置およびその方法と符号化装置
KR20040058929A (ko) 2002-12-27 2004-07-05 삼성전자주식회사 Ｄｔｃ 기반의 개선된 동영상 부호화 방법 및 그 장치
KR100584552B1 (ko) 2003-01-14 2006-05-30 삼성전자주식회사 동영상 부호화 및 복호화 방법과 그 장치
US7212571B2 (en) 2003-01-31 2007-05-01 Seiko Epson Corporation Method and apparatus for DCT domain filtering for block based encoding
EP1445958A1 (en) 2003-02-05 2004-08-11 STMicroelectronics S.r.l. Quantization method and system, for instance for video MPEG applications, and computer program product therefor
KR100539923B1 (ko) 2003-02-10 2005-12-28 삼성전자주식회사 화상통화시 화자의 영상을 구분하여 차등적 부호화할 수있는 비디오 엔코더 및 이를 이용한 비디오신호의 압축방법
JP3984178B2 (ja) 2003-02-13 2007-10-03 日本電信電話株式会社 映像符号化方法、映像符号化装置、映像符号化プログラム及びそのプログラムを記録した記録媒体
US7227587B2 (en) 2003-03-05 2007-06-05 Broadcom Corporation System and method for three dimensional comb filtering
KR100977713B1 (ko) 2003-03-15 2010-08-24 삼성전자주식회사 영상신호의 글자 인식을 위한 전처리 장치 및 방법
SG140441A1 (en) 2003-03-17 2008-03-28 St Microelectronics Asia Decoder and method of decoding using pseudo two pass decoding and one pass encoding
KR20060105409A (ko) 2005-04-01 2006-10-11 엘지전자 주식회사 영상 신호의 스케일러블 인코딩 및 디코딩 방법
EP1465349A1 (en) 2003-03-31 2004-10-06 Interuniversitair Microelektronica Centrum Vzw Embedded multiple description scalar quantizers for progressive image transmission
CA2427894C (en) * 2003-05-05 2010-08-17 Outokumpu, Oyj Aluminium ingot casting machine
WO2004100554A1 (en) 2003-05-06 2004-11-18 Koninklijke Philips Electronics N.V. Encoding video information using block based adaptive scan order
GB2401502B (en) 2003-05-07 2007-02-14 British Broadcasting Corp Data processing
US7512180B2 (en) 2003-06-25 2009-03-31 Microsoft Corporation Hierarchical data compression system and method for coding video data
US7418147B2 (en) 2003-06-25 2008-08-26 Georgia Tech Research Corporation Cauchy-distribution based coding system and method
US7200277B2 (en) 2003-07-01 2007-04-03 Eastman Kodak Company Method for transcoding a JPEG2000 compressed image
US7194031B2 (en) 2003-07-09 2007-03-20 Silicon Integrated Systems Corp. Rate control method with region of interesting support
US7738554B2 (en) 2003-07-18 2010-06-15 Microsoft Corporation DC coefficient signaling at small quantization step sizes
US8218624B2 (en) 2003-07-18 2012-07-10 Microsoft Corporation Fractional quantization step sizes for high bit rates
US7609763B2 (en) 2003-07-18 2009-10-27 Microsoft Corporation Advanced bi-directional predictive coding of video frames
JP4388771B2 (ja) 2003-07-18 2009-12-24 三菱電機株式会社 動画像復号装置、および動画像復号方法
US20050013498A1 (en) 2003-07-18 2005-01-20 Microsoft Corporation Coding of motion vector information
US7580584B2 (en) 2003-07-18 2009-08-25 Microsoft Corporation Adaptive multiple quantization
US7602851B2 (en) 2003-07-18 2009-10-13 Microsoft Corporation Intelligent differential quantization of video coding
US7383180B2 (en) 2003-07-18 2008-06-03 Microsoft Corporation Constant bitrate media encoding techniques
US7343291B2 (en) 2003-07-18 2008-03-11 Microsoft Corporation Multi-pass variable bitrate media encoding
US7426308B2 (en) 2003-07-18 2008-09-16 Microsoft Corporation Intraframe and interframe interlace coding and decoding
KR100520298B1 (ko) 2003-07-26 2005-10-13 삼성전자주식회사 디더링 방법 및 디더링 장치
US20050024487A1 (en) 2003-07-31 2005-02-03 William Chen Video codec system with real-time complexity adaptation and region-of-interest coding
US7158668B2 (en) 2003-08-01 2007-01-02 Microsoft Corporation Image processing using linear light values and other image processing improvements
KR100505699B1 (ko) 2003-08-12 2005-08-03 삼성전자주식회사 실시간 가변 비트율 제어로 화질을 개선시키는 비디오인코더의 인코딩율 제어기, 이를 구비한 비디오 데이터전송 시스템 및 그 방법
TWI232681B (en) 2003-08-27 2005-05-11 Mediatek Inc Method of transforming one video output format into another video output format without degrading display quality
US7609762B2 (en) 2003-09-07 2009-10-27 Microsoft Corporation Signaling for entry point frames with predicted first field
MXPA06002495A (es) 2003-09-07 2006-06-20 Microsoft Corp Capa de porcion en codificador/descodificador (codec) de video.
US7724827B2 (en) 2003-09-07 2010-05-25 Microsoft Corporation Multi-layer run level encoding and decoding
US7924921B2 (en) 2003-09-07 2011-04-12 Microsoft Corporation Signaling coding and display options in entry point headers
WO2005036886A1 (en) 2003-10-13 2005-04-21 Koninklijke Philips Electronics N.V. Two-pass video encoding
US20050084013A1 (en) 2003-10-15 2005-04-21 Limin Wang Frequency coefficient scanning paths
US20050105612A1 (en) 2003-11-14 2005-05-19 Sung Chih-Ta S. Digital video stream decoding method and apparatus
US8223844B2 (en) 2003-11-14 2012-07-17 Intel Corporation High frequency emphasis in decoding of encoded signals
JP4063205B2 (ja) 2003-11-20 2008-03-19 セイコーエプソン株式会社 画像データ圧縮装置及びエンコーダ
EP1536647A1 (en) 2003-11-26 2005-06-01 STMicroelectronics Limited A video decoding device
CN100342728C (zh) * 2003-11-28 2007-10-10 联发科技股份有限公司 控制视频信号编码比特流的量化程度的方法与相关装置
CN1890974B (zh) 2003-12-03 2012-05-16 皇家飞利浦电子股份有限公司 用于mpeg-2系统中的改进缩放性支持的系统和方法
KR20050061762A (ko) 2003-12-18 2005-06-23 학교법인 대양학원 부호화 모드 결정방법, 움직임 추정방법 및 부호화 장치
US7391809B2 (en) 2003-12-30 2008-06-24 Microsoft Corporation Scalable video transcoding
US7471845B2 (en) 2004-01-06 2008-12-30 Sharp Laboratories Of America, Inc. De-ringing filter
WO2005065030A2 (en) 2004-01-08 2005-07-21 Videocodes, Inc. Video compression device and a method for compressing video
KR100556340B1 (ko) 2004-01-13 2006-03-03 (주)씨앤에스 테크놀로지 영상 부호화 장치
KR101169895B1 (ko) 2004-01-20 2012-07-31 파나소닉 주식회사 화상 부호화 방법, 화상 복호화 방법, 화상 부호화 장치, 화상 복호화 장치 및 그 프로그램
US20050190836A1 (en) 2004-01-30 2005-09-01 Jiuhuai Lu Process for maximizing the effectiveness of quantization matrices in video codec systems
ES2563295T3 (es) 2004-01-30 2016-03-14 Panasonic Intellectual Property Corporation Of America Procedimiento de decodificación de imágenes en movimiento que utiliza matrices de cuantificación adicionales
US7492820B2 (en) 2004-02-06 2009-02-17 Apple Inc. Rate control for video coder employing adaptive linear regression bits modeling
EP1564997A1 (en) 2004-02-12 2005-08-17 Matsushita Electric Industrial Co., Ltd. Encoding and decoding of video images based on a quantization with an adaptive dead-zone size
EP1718080A4 (en) 2004-02-20 2011-01-12 Nec Corp BILDCODE PROCESS, DEVICE AND CONTROL PROGRAM THEREFOR
JP4273996B2 (ja) 2004-02-23 2009-06-03 ソニー株式会社 画像符号化装置及び方法、並びに画像復号装置及び方法
JP2005260467A (ja) 2004-03-10 2005-09-22 Konica Minolta Opto Inc 画像処理装置
US8503542B2 (en) 2004-03-18 2013-08-06 Sony Corporation Methods and apparatus to reduce blocking noise and contouring effect in motion compensated compressed video
US7689051B2 (en) 2004-04-15 2010-03-30 Microsoft Corporation Predictive lossless coding of images and video
JP4476104B2 (ja) 2004-04-22 2010-06-09 三洋電機株式会社 符号化回路
US7801383B2 (en) 2004-05-15 2010-09-21 Microsoft Corporation Embedded scalar quantizers with arbitrary dead-zone ratios
US20050259730A1 (en) 2004-05-18 2005-11-24 Sharp Laboratories Of America, Inc. Video coding with residual color conversion using reversible YCoCg
US20050276493A1 (en) 2004-06-01 2005-12-15 Jun Xin Selecting macroblock coding modes for video encoding
JP5053081B2 (ja) 2004-06-18 2012-10-17 トムソン ライセンシング ビデオ・コーデック量子化のための方法および装置
US20070230565A1 (en) 2004-06-18 2007-10-04 Tourapis Alexandros M Method and Apparatus for Video Encoding Optimization
WO2006001777A1 (en) 2004-06-23 2006-01-05 Agency For Science, Technology And Research Scalable video coding with grid motion estimation and compensation
JP4594688B2 (ja) 2004-06-29 2010-12-08 オリンパス株式会社 画像符号化処理方法、画像復号化処理方法、動画圧縮処理方法、動画伸張処理方法、画像符号化処理プログラム、画像符号化装置、画像復号化装置、画像符号化／復号化システム、拡張画像圧縮伸張処理システム
FR2872973A1 (fr) 2004-07-06 2006-01-13 Thomson Licensing Sa Procede ou dispositif de codage d'une sequence d'images sources
US7606427B2 (en) 2004-07-08 2009-10-20 Qualcomm Incorporated Efficient rate control techniques for video encoding
KR100678949B1 (ko) 2004-07-15 2007-02-06 삼성전자주식회사 비디오 코딩 및 디코딩 방법, 비디오 인코더 및 디코더
KR20070044455A (ko) 2004-07-20 2007-04-27 콸콤 인코포레이티드 비디오 압축에 대한 인코더 보조-프레임 레이트 업컨버젼(ｅａ-ｆｒｕｃ)을 위한 방법 및 장치
US7474316B2 (en) 2004-08-17 2009-01-06 Sharp Laboratories Of America, Inc. Bit-depth extension of digital displays via the use of models of the impulse response of the visual system
US20060056508A1 (en) 2004-09-03 2006-03-16 Phillippe Lafon Video coding rate control
JP2008514115A (ja) 2004-09-14 2008-05-01 ギャリー デモス 高品質広帯域多層画像圧縮符号化システム
DE102004059978B4 (de) 2004-10-15 2006-09-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen einer codierten Videosequenz und zum Decodieren einer codierten Videosequenz unter Verwendung einer Zwischen-Schicht-Restwerte-Prädiktion sowie ein Computerprogramm und ein computerlesbares Medium
KR100679022B1 (ko) 2004-10-18 2007-02-05 삼성전자주식회사 계층간 필터링을 이용한 비디오 코딩 및 디코딩방법과,비디오 인코더 및 디코더
US20060098733A1 (en) 2004-11-08 2006-05-11 Kabushiki Kaisha Toshiba Variable-length coding device and method of the same
US20060104350A1 (en) 2004-11-12 2006-05-18 Sam Liu Multimedia encoder
JP2006140758A (ja) 2004-11-12 2006-06-01 Toshiba Corp 動画像符号化方法、動画像符号化装置および動画像符号化プログラム
US9686557B2 (en) 2004-12-02 2017-06-20 Thomson Licensing S.A. Quantizer parameter determination for video encoder rate control
US7620103B2 (en) 2004-12-10 2009-11-17 Lsi Corporation Programmable quantization dead zone and threshold for standard-based H.264 and/or VC1 video encoding
US8031768B2 (en) 2004-12-15 2011-10-04 Maxim Integrated Products, Inc. System and method for performing optimized quantization via quantization re-scaling
US7136536B2 (en) 2004-12-22 2006-11-14 Telefonaktiebolaget L M Ericsson (Publ) Adaptive filter
EP1675402A1 (en) 2004-12-22 2006-06-28 Thomson Licensing Optimisation of a quantisation matrix for image and video coding
CN101091393B (zh) 2004-12-28 2012-03-07 日本电气株式会社 运动图像编码方法以及利用其的装置
US7653129B2 (en) 2004-12-28 2010-01-26 General Instrument Corporation Method and apparatus for providing intra coding frame bit budget
US20080187042A1 (en) 2005-01-07 2008-08-07 Koninklijke Philips Electronics, N.V. Method of Processing a Video Signal Using Quantization Step Sizes Dynamically Based on Normal Flow
EP1839265A4 (en) 2005-01-14 2012-10-17 Iucf Hyu METHOD FOR ENCODING AND DECODING TEXTURE COORDINATES IN THREE-DIMENSIONAL MESH INFORMATION FOR EFFICIENT TEXTURE MAPPING
US20080152251A1 (en) 2005-01-31 2008-06-26 Koninklijke Philips Electronics, N.V. Pyramidal Decomposition for Multi-Resolution Image Filtering
US20060188014A1 (en) 2005-02-23 2006-08-24 Civanlar M R Video coding and adaptation by semantics-driven resolution control for transport and storage
US7724972B2 (en) 2005-03-01 2010-05-25 Qualcomm Incorporated Quality metric-biased region-of-interest coding for video telephony
WO2006112620A1 (en) 2005-03-25 2006-10-26 Electronics And Telecommunications Research Institute Hierarchical video encoding/decoding method for complete spatial scalability and apparatus thereof
WO2006104363A1 (en) 2005-04-01 2006-10-05 Lg Electronics Inc. Method for scalably encoding and decoding video signal
US7876833B2 (en) 2005-04-11 2011-01-25 Sharp Laboratories Of America, Inc. Method and apparatus for adaptive up-scaling for spatially scalable coding
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
JP2008536420A (ja) 2005-04-13 2008-09-04 ノキア コーポレイション スケーラビリティ情報の符号化、格納およびシグナリング
KR100746007B1 (ko) 2005-04-19 2007-08-06 삼성전자주식회사 엔트로피 코딩의 컨텍스트 모델을 적응적으로 선택하는방법 및 비디오 디코더
US7620252B2 (en) 2005-04-22 2009-11-17 Hewlett-Packard Development Company, L.P. System and method for compressing an image
US7657098B2 (en) 2005-05-02 2010-02-02 Samsung Electronics Co., Ltd. Method and apparatus for reducing mosquito noise in decoded video sequence
US7684632B2 (en) 2005-05-16 2010-03-23 Hewlett-Packard Development Company, L.P. Estimating image compression quantization parameter values
US8422546B2 (en) 2005-05-25 2013-04-16 Microsoft Corporation Adaptive video encoding using a perceptual model
DE102005025629A1 (de) 2005-06-03 2007-03-22 Micronas Gmbh Bildverarbeitungsverfahren zur Reduzierung von Blocking-Artefakten
EP1908303A4 (en) 2005-07-01 2011-04-06 Sonic Solutions METHOD, DEVICE AND SYSTEM FOR USE IN MULTIMEDIA SIGNAL CODING
KR100667806B1 (ko) 2005-07-07 2007-01-12 삼성전자주식회사 영상 부호화 및 복호화 방법 및 장치
US20070009042A1 (en) 2005-07-08 2007-01-11 Robert Craig Video game system using pre-encoded macro-blocks in an I-frame
JP5008664B2 (ja) 2005-07-11 2012-08-22 トムソン ライセンシング マクロブロック適応型レイヤ間テクスチャ内予測の方法及び装置
US20070147497A1 (en) 2005-07-21 2007-06-28 Nokia Corporation System and method for progressive quantization for scalable image and video coding
CN101228794B (zh) 2005-07-21 2011-05-11 汤姆森许可贸易公司 针对加权预测的可分级视频编码方法及设备
EP1746839A1 (en) 2005-07-22 2007-01-24 Thomson Licensing Method and apparatus for encoding video data
US20070025441A1 (en) * 2005-07-28 2007-02-01 Nokia Corporation Method, module, device and system for rate control provision for video encoders capable of variable bit rate encoding
US8069466B2 (en) 2005-08-04 2011-11-29 Nds Limited Advanced digital TV system
US7933337B2 (en) 2005-08-12 2011-04-26 Microsoft Corporation Prediction of transform coefficients for image compression
US20070053603A1 (en) 2005-09-08 2007-03-08 Monro Donald M Low complexity bases matching pursuits data coding and decoding
US8879635B2 (en) 2005-09-27 2014-11-04 Qualcomm Incorporated Methods and device for data alignment with time domain boundary
WO2007044556A2 (en) 2005-10-07 2007-04-19 Innovation Management Sciences, L.L.C. Method and apparatus for scalable video decoder using an enhancement stream
EP1775958A1 (en) 2005-10-14 2007-04-18 Thomson Licensing Method and apparatus for reconstructing the texture of a spatial enhancement-layer video picture
US7778476B2 (en) 2005-10-21 2010-08-17 Maxim Integrated Products, Inc. System and method for transform coding randomization
US8023569B2 (en) 2005-12-15 2011-09-20 Sharp Laboratories Of America, Inc. Methods and systems for block-based residual upsampling
US7889790B2 (en) 2005-12-20 2011-02-15 Sharp Laboratories Of America, Inc. Method and apparatus for dynamically adjusting quantization offset values
KR100867995B1 (ko) 2006-01-07 2008-11-10 한국전자통신연구원 동영상 데이터 인코딩/디코딩 방법 및 그 장치
HUE025501T2 (en) 2006-01-09 2016-02-29 Matthias Narroschke Adaptive encoding of prediction error in hybrid video encoding
JP4795223B2 (ja) * 2006-01-31 2011-10-19 キヤノン株式会社 画像処理装置
JP4529919B2 (ja) 2006-02-28 2010-08-25 日本ビクター株式会社 適応量子化装置及び適応量子化プログラム
US8428136B2 (en) 2006-03-09 2013-04-23 Nec Corporation Dynamic image encoding method and device and program using the same
WO2007104266A1 (fr) 2006-03-16 2007-09-20 Huawei Technologies Co., Ltd. Procédé et appareil de quantification adaptative dans une procédure de codage
US8848789B2 (en) * 2006-03-27 2014-09-30 Qualcomm Incorporated Method and system for coding and decoding information associated with video compression
US8130828B2 (en) 2006-04-07 2012-03-06 Microsoft Corporation Adjusting quantization to preserve non-zero AC coefficients
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
US7995649B2 (en) 2006-04-07 2011-08-09 Microsoft Corporation Quantization adjustment based on texture level
US7974340B2 (en) 2006-04-07 2011-07-05 Microsoft Corporation Adaptive B-picture quantization control
JP2007281949A (ja) 2006-04-07 2007-10-25 Matsushita Electric Ind Co Ltd 画像符号化装置、画像符号化復号システム、画像符号化方法、および画像符号化復号方法
US20070237237A1 (en) 2006-04-07 2007-10-11 Microsoft Corporation Gradient slope detection for video compression
JP4062711B2 (ja) 2006-04-17 2008-03-19 俊宏 南 動画像符号化装置
US8711925B2 (en) 2006-05-05 2014-04-29 Microsoft Corporation Flexible quantization
US20070268964A1 (en) 2006-05-22 2007-11-22 Microsoft Corporation Unit co-location-based motion estimation
JP4908943B2 (ja) 2006-06-23 2012-04-04 キヤノン株式会社 画像符号化装置及び画像符号化方法
US7840078B2 (en) 2006-07-10 2010-11-23 Sharp Laboratories Of America, Inc. Methods and systems for image processing control based on adjacent block characteristics
US8120660B2 (en) 2006-07-10 2012-02-21 Freescale Semiconductor, Inc. Image data up sampling
US7885471B2 (en) 2006-07-10 2011-02-08 Sharp Laboratories Of America, Inc. Methods and systems for maintenance and use of coded block pattern information
US8253752B2 (en) 2006-07-20 2012-08-28 Qualcomm Incorporated Method and apparatus for encoder assisted pre-processing
US8773494B2 (en) 2006-08-29 2014-07-08 Microsoft Corporation Techniques for managing visual compositions for a multimedia conference call
US9014280B2 (en) 2006-10-13 2015-04-21 Qualcomm Incorporated Video coding with adaptive filtering for motion compensated prediction
JP2008099045A (ja) 2006-10-13 2008-04-24 Nippon Telegr & Teleph Corp <Ntt> スケーラブル符号化方法，復号方法，これらの装置，およびこれらのプログラム並びにその記録媒体
US20080095235A1 (en) 2006-10-20 2008-04-24 Motorola, Inc. Method and apparatus for intra-frame spatial scalable video coding
JP4575344B2 (ja) 2006-10-24 2010-11-04 アップル インコーポレイテッド 縮小サイズまたはフルサイズでの再生を動的に選択的に行うための複数の独立した符号化チェーンを備えるビデオ符号化システム
US7885476B2 (en) 2006-12-14 2011-02-08 Sony Corporation System and method for effectively performing an adaptive encoding procedure
US8199812B2 (en) 2007-01-09 2012-06-12 Qualcomm Incorporated Adaptive upsampling for scalable video coding
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
US8204129B2 (en) * 2007-03-27 2012-06-19 Freescale Semiconductor, Inc. Simplified deblock filtering for reduced memory access and computational complexity
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
TW200845723A (en) * 2007-04-23 2008-11-16 Thomson Licensing Method and apparatus for encoding video data, method and apparatus for decoding encoded video data and encoded video signal
US8331438B2 (en) 2007-06-05 2012-12-11 Microsoft Corporation Adaptive selection of picture-level quantization parameters for predicted video pictures
US7983496B2 (en) 2007-06-26 2011-07-19 Mitsubishi Electric Research Laboratories, Inc. Inverse tone mapping for bit-depth scalable image coding adapted to variable block sizes
US20090161756A1 (en) 2007-12-19 2009-06-25 Micron Technology, Inc. Method and apparatus for motion adaptive pre-filtering
US8160132B2 (en) 2008-02-15 2012-04-17 Microsoft Corporation Reducing key picture popping effects in video
US8542730B2 (en) * 2008-02-22 2013-09-24 Qualcomm, Incorporated Fast macroblock delta QP decision
US8953673B2 (en) 2008-02-29 2015-02-10 Microsoft Corporation Scalable video coding and decoding with sample bit depth and chroma high-pass residual layers
US8189933B2 (en) 2008-03-31 2012-05-29 Microsoft Corporation Classifying and controlling encoding quality for textured, dark smooth and smooth video content
US9338475B2 (en) 2008-04-16 2016-05-10 Intel Corporation Tone mapping for bit-depth scalable video codec
US8897359B2 (en) 2008-06-03 2014-11-25 Microsoft Corporation Adaptive quantization for enhancement layer video coding
RU2502213C2 (ru) * 2008-06-27 2013-12-20 Сони Корпорейшн Устройство обработки изображений и способ обработки изображений
BR112013003399B1 (pt) 2011-07-29 2022-04-19 Sun Patent Trust Método e aparelho de decodificação para decodificar um sinal de imagem codificado para uma unidade de codificação
US10218976B2 (en) 2016-03-02 2019-02-26 MatrixView, Inc. Quantization matrices for compression of video

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050259729A1 (en) * 2004-05-21 2005-11-24 Shijun Sun Video coding with quality scalability
US20060197777A1 (en) * 2005-03-04 2006-09-07 Samsung Electronics Co., Ltd. Color space scalable video coding and decoding method and apparatus for the same
CN1917647A (zh) * 2005-04-19 2007-02-21 三星电子株式会社 自适应地选择用于熵编码的上下文模型的方法和设备
US20070189626A1 (en) * 2006-02-13 2007-08-16 Akiyuki Tanizawa Video encoding/decoding method and apparatus
EP1871113A1 (en) * 2006-06-20 2007-12-26 THOMSON Licensing Method and apparatus for encoding video enhancement layer with multiresolution color scalability

Also Published As

Publication number Publication date
EP3416382A1 (en) 2018-12-19
US20210377535A1 (en) 2021-12-02
KR101745845B1 (ko) 2017-06-12
US20150043633A1 (en) 2015-02-12
US20240251082A1 (en) 2024-07-25
US12301815B2 (en) 2025-05-13
JP5932719B2 (ja) 2016-06-08
US20240195973A1 (en) 2024-06-13
US20240163438A1 (en) 2024-05-16
US12301814B2 (en) 2025-05-13
US9185418B2 (en) 2015-11-10
EP2283655A4 (en) 2011-07-27
MX356897B (es) 2018-06-19
US8897359B2 (en) 2014-11-25
US11902525B2 (en) 2024-02-13
US12301813B2 (en) 2025-05-13
JP2013225889A (ja) 2013-10-31
HK1155303A1 (en) 2012-05-11
US9571840B2 (en) 2017-02-14
CN103428497B (zh) 2016-12-28
KR20110015002A (ko) 2011-02-14
KR101780505B1 (ko) 2017-09-21
US11528481B2 (en) 2022-12-13
CN103428497A (zh) 2013-12-04
US10306227B2 (en) 2019-05-28
CN102057677A (zh) 2011-05-11
US20240171745A1 (en) 2024-05-23
US20250280123A1 (en) 2025-09-04
WO2009158113A2 (en) 2009-12-30
EP2283655A2 (en) 2011-02-16
US11122268B2 (en) 2021-09-14
EP2770741A1 (en) 2014-08-27
US20140294070A1 (en) 2014-10-02
US12301817B2 (en) 2025-05-13
EP2283655B1 (en) 2018-09-19
US20090296808A1 (en) 2009-12-03
US20170111640A1 (en) 2017-04-20
US20190313099A1 (en) 2019-10-10
KR20160037244A (ko) 2016-04-05
JP5706318B2 (ja) 2015-04-22
JP2011524130A (ja) 2011-08-25
MX343458B (es) 2016-11-07
US20230055524A1 (en) 2023-02-23
US20240195972A1 (en) 2024-06-13
MX2010012818A (es) 2010-12-21
WO2009158113A3 (en) 2010-03-04
US12301816B2 (en) 2025-05-13

Similar Documents

Publication Publication Date Title
US12301815B2 (en) Determining chroma quantization parameter using index and quantization parameter of spatially neighboring unit
US7602851B2 (en) Intelligent differential quantization of video coding
US8213503B2 (en) Skip modes for inter-layer residual video coding and decoding
US20070237222A1 (en) Adaptive B-picture quantization control
HK1155303B (en) Adaptive quantization for enhancement layer video coding

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
REG Reference to a national code

Ref country code: HK

Ref legal event code: DE

Ref document number: 1155303

Country of ref document: HK

C14 Grant of patent or utility model
GR01 Patent grant
REG Reference to a national code

Ref country code: HK

Ref legal event code: GR

Ref document number: 1155303

Country of ref document: HK

ASS Succession or assignment of patent right

Owner name: MICROSOFT TECHNOLOGY LICENSING LLC

Free format text: FORMER OWNER: MICROSOFT CORP.

Effective date: 20150430

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20150430

Address after: Washington State

Patentee after: Micro soft technique license Co., Ltd

Address before: Washington State

Patentee before: Microsoft Corp.