NO20075132L - Forbedret koding av multimediadata - Google Patents

Forbedret koding av multimediadata

Info

Publication number
NO20075132L
NO20075132L NO20075132A NO20075132A NO20075132L NO 20075132 L NO20075132 L NO 20075132L NO 20075132 A NO20075132 A NO 20075132A NO 20075132 A NO20075132 A NO 20075132A NO 20075132 L NO20075132 L NO 20075132L
Authority
NO
Norway
Prior art keywords
multimedia data
improved coding
methods
devices
encoding
Prior art date
Application number
NO20075132A
Other languages
English (en)
Inventor
Peisong Chen
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of NO20075132L publication Critical patent/NO20075132L/no

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
    • H04N19/102Methods 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
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/105Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/189Methods 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
    • H04N19/19Methods 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 using optimisation based on Lagrange multipliers
    • 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
    • H04N19/103Selection of coding mode or of prediction mode
    • 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
    • H04N19/134Methods 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
    • H04N19/147Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

Det er utlagt fremgangsmåter og anordninger for koding av multimediadata, slik som videodata. I noen utførelsesformer vil disse fremgangsmåtene og anordningene bestemme en passende kvantiseringsparameter for en effektiv koding av slike multimediadata.
NO20075132A 2005-03-10 2007-10-09 Forbedret koding av multimediadata NO20075132L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US66087405P 2005-03-10 2005-03-10
PCT/US2006/008770 WO2006099229A1 (en) 2005-03-10 2006-03-10 Improved encoding of multimedia data

Publications (1)

Publication Number Publication Date
NO20075132L true NO20075132L (no) 2007-12-10

Family

ID=36642963

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20075132A NO20075132L (no) 2005-03-10 2007-10-09 Forbedret koding av multimediadata

Country Status (16)

Country Link
US (1) US8548055B2 (no)
EP (2) EP2453653A3 (no)
JP (1) JP5048645B2 (no)
KR (1) KR100933119B1 (no)
CN (1) CN101171842B (no)
AR (1) AR053164A1 (no)
AU (1) AU2006223197C1 (no)
BR (1) BRPI0608231A2 (no)
CA (1) CA2600455A1 (no)
IL (1) IL185826A0 (no)
MX (1) MX2007011098A (no)
NO (1) NO20075132L (no)
RU (2) RU2345503C1 (no)
TW (1) TW200711479A (no)
UA (1) UA87901C2 (no)
WO (1) WO2006099229A1 (no)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8548055B2 (en) 2005-03-10 2013-10-01 Qualcomm Incorporated Encoding of multimedia data
EP1995967A4 (en) * 2006-03-16 2009-11-11 Huawei Tech Co Ltd METHOD AND APPARATUS FOR ADAPTIVE QUANTIFICATION IN AN ENCODING PROCEDURE
KR101356734B1 (ko) * 2007-01-03 2014-02-05 삼성전자주식회사 움직임 벡터 트랙킹을 이용한 영상의 부호화, 복호화 방법및 장치
WO2008126135A1 (ja) 2007-03-20 2008-10-23 Fujitsu Limited 動画像符号化方法及び装置並びに動画像復号装置
JP4842899B2 (ja) * 2007-08-15 2011-12-21 Kddi株式会社 動画像符号化装置、動画像符号化方法およびプログラム
US8542730B2 (en) 2008-02-22 2013-09-24 Qualcomm, Incorporated Fast macroblock delta QP decision
US8588297B2 (en) * 2009-12-23 2013-11-19 Oracle America, Inc. Quantization parameter prediction
CN101888550A (zh) * 2010-06-28 2010-11-17 中兴通讯股份有限公司 一种slice头信息中量化参数编码方法和装置
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
ES2715704T3 (es) * 2011-03-09 2019-06-05 Nec Corp Dispositivo de decodificación de vídeo, método de decodificación de vídeo y programa de decodificación de vídeo
KR101522391B1 (ko) * 2011-03-10 2015-05-21 니폰덴신뎅와 가부시키가이샤 양자화 제어 장치 및 방법, 및 양자화 제어 프로그램
US10298939B2 (en) 2011-06-22 2019-05-21 Qualcomm Incorporated Quantization in video coding
US9521410B2 (en) 2012-04-26 2016-12-13 Qualcomm Incorporated Quantization parameter (QP) coding in video coding
CN103577503A (zh) * 2012-08-10 2014-02-12 鸿富锦精密工业(深圳)有限公司 云端文件存储系统及方法
JP2019149591A (ja) * 2016-07-14 2019-09-05 シャープ株式会社 端末装置、基地局装置、通信方法、および、集積回路
CN106254868B (zh) * 2016-08-19 2019-08-27 浙江宇视科技有限公司 视频编码码率控制方法、装置及系统
US10674152B2 (en) * 2018-09-18 2020-06-02 Google Llc Efficient use of quantization parameters in machine-learning models for video coding
CN112235576B (zh) * 2020-11-16 2024-04-30 北京世纪好未来教育科技有限公司 编码方法、装置、电子设备及存储介质

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6236681B1 (en) * 1997-07-31 2001-05-22 Lsi Logic Corporation Method for decoding MPEG compliant video bitstreams meeting 2-frame and letterboxing requirements
JP2002543714A (ja) 1999-04-30 2002-12-17 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ Bフレーム・エンコーディング・モードを有するビデオ・エンコーディング方法
JP2001086512A (ja) * 1999-09-14 2001-03-30 Nec Corp 可変ビットレート符号化装置
US6631163B1 (en) * 2000-11-14 2003-10-07 Koninklijke Philips Electronics N.V. Dynamic adaptation of complexity in an MPEG-2 scalable decoder
KR100739133B1 (ko) 2001-04-17 2007-07-13 엘지전자 주식회사 디지털 비디오 코딩시 b프레임 코딩 방법
KR100748495B1 (ko) 2001-04-20 2007-08-13 엘지전자 주식회사 복수 참조 프레임을 이용한 b프레임 코딩시 직접 예측 방법
KR100778471B1 (ko) 2001-04-21 2007-11-21 엘지전자 주식회사 비디오 신호의 인코딩 또는 디코딩 방법
US7266150B2 (en) * 2001-07-11 2007-09-04 Dolby Laboratories, Inc. Interpolation of video compression frames
FI114433B (fi) * 2002-01-23 2004-10-15 Nokia Corp Otossiirtymän koodaaminen videokoodauksessa
US7003035B2 (en) * 2002-01-25 2006-02-21 Microsoft Corporation Video coding methods and apparatuses
PT1486065E (pt) * 2002-03-15 2016-03-30 Nokia Technologies Oy Método para codificação de movimento numa sequência de vídeo
EP1478190B1 (en) * 2002-04-26 2013-01-02 NTT DoCoMo, Inc. Image encoding device, image encoding method, and image encoding program
US7280700B2 (en) * 2002-07-05 2007-10-09 Microsoft Corporation Optimization techniques for data compression
WO2004008733A2 (en) * 2002-07-15 2004-01-22 Nokia Corporation Method for error concealment in video sequences
US7142601B2 (en) * 2003-04-14 2006-11-28 Mitsubishi Electric Research Laboratories, Inc. Transcoding compressed videos to reducing resolution videos
US7280597B2 (en) * 2003-06-24 2007-10-09 Mitsubishi Electric Research Laboratories, Inc. System and method for determining coding modes, DCT types and quantizers for video coding
US7342964B2 (en) * 2003-07-15 2008-03-11 Lsi Logic Corporation Multi-standard variable block size motion estimation processor
US8064520B2 (en) * 2003-09-07 2011-11-22 Microsoft Corporation Advanced bi-directional predictive coding of interlaced video
JP5007228B2 (ja) * 2004-06-14 2012-08-22 プレコード,インコーポレイテッド 画像クリーンアップおよび前置符号化
JP2006074474A (ja) * 2004-09-02 2006-03-16 Toshiba Corp 動画像符号化装置、動画像符号化方法および動画像符号化プログラム
KR100681252B1 (ko) * 2004-10-02 2007-02-09 삼성전자주식회사 트랜스코딩을 위해 출력 매크로블록 모드와 출력움직임벡터를 추정하는 방법 및 이를 이용한 트랜스코더
US8548055B2 (en) 2005-03-10 2013-10-01 Qualcomm Incorporated Encoding of multimedia data
US8204129B2 (en) * 2007-03-27 2012-06-19 Freescale Semiconductor, Inc. Simplified deblock filtering for reduced memory access and computational complexity

Also Published As

Publication number Publication date
CN101171842A (zh) 2008-04-30
JP2008533855A (ja) 2008-08-21
MX2007011098A (es) 2007-11-22
CN101171842B (zh) 2010-09-01
US20060245496A1 (en) 2006-11-02
KR100933119B1 (ko) 2009-12-21
JP5048645B2 (ja) 2012-10-17
RU2345503C1 (ru) 2009-01-27
EP2453653A3 (en) 2013-01-23
CA2600455A1 (en) 2006-09-21
EP2453653A2 (en) 2012-05-16
AR053164A1 (es) 2007-04-25
TW200711479A (en) 2007-03-16
RU2008144373A (ru) 2010-05-20
AU2006223197C1 (en) 2009-07-30
EP1856916A1 (en) 2007-11-21
WO2006099229A1 (en) 2006-09-21
BRPI0608231A2 (pt) 2009-11-24
AU2006223197B2 (en) 2009-03-12
UA87901C2 (ru) 2009-08-25
AU2006223197A1 (en) 2006-09-21
US8548055B2 (en) 2013-10-01
IL185826A0 (en) 2008-01-06
KR20070110533A (ko) 2007-11-19

Similar Documents

Publication Publication Date Title
NO20075132L (no) Forbedret koding av multimediadata
CY1120120T1 (el) Μεθοδος αποκωδικοποιησης βιντεο με βαση τις ιεραρχικα κωδικοποιημενες πληροφοριες προτυπου μπλοκ
WO2007005750A3 (en) Method, apparatus and system for use in multimedia signal encoding
MX2010004935A (es) Un metodo para la codificacion de video escalable para cambio rapido de canal y resiliencia incrementada de error.
ATE468705T1 (de) Verfahren und vorrichtung zur fehlerbehebung mittels intra-slice-resynchronisationspunkten
MY151850A (en) Method for checking of video encoder and decoder state integrity
TW200718215A (en) Rate control for multi-layer video design
MY190750A (en) Mode dependent scanning of coefficients of a block of video data
HK1114522A1 (zh) 用於有效地編碼和解碼視頻數據的方法、設備和系統
NO20081602L (no) Tjenesteinnfanging
AR059105A1 (es) Metodo y aparato para determinar un metodo de codificacion basado en un valor de distorsion relacionado con ocultacion de error
TW200708108A (en) Decoder architecture systems, apparatus and methods
WO2008085885A3 (en) Methods and apparatus for multi-view information conveyed in high level syntax
WO2007102782A3 (en) Methods and arrangements for audio coding and decoding
WO2008086509A3 (en) Content- and link-dependent coding adaptation for multimedia telephony
BRPI0408708A (pt) método, equipamento e sistema para codificar e decodificar informações secundárias para transmissão de multimìdia
TW200620841A (en) Systems and methods for scalably encoding and decoding data
EP1838081A4 (en) ENCODING DEVICE AND METHOD, DECODING DEVICE AND METHOD, AND TRANSMISSION SYSTEM
EP1924001A4 (en) TEST MATRIX GENERATING METHOD, ENCODING METHOD, DECODING METHOD, COMMUNICATION APPARATUS, COMMUNICATION SYSTEM, ENCODER AND DECODER
EP1877959A4 (en) SYSTEM AND METHOD FOR EVOLUTIVE CODING AND DECODING OF MULTIMEDIA DATA USING MULTIPLE LAYERS
ATE470993T1 (de) Optimierungen für netzwerkkodierung und netzwerkdekodierung
MY177645A (en) Video encoding method for encoding hierarchical-structure symbols and a device thereof, and video decoding method for decoding hierarchical-structure symbols and a device thereof
ATE499677T1 (de) Kodierung und dekodierung von audio-objekten
MY178342A (en) Coding of audio scenes
EP1955474A4 (en) METHOD AND SYSTEM FOR MANAGING DIGITAL RIGHTS BETWEEN DIFFERENT DEVICES

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application