BRPI0409491A - método para codificação imagens, método para decodificar imagens, codificador, decodificador, dispositivo de transmissão, dispositivo de recepção, sistema, dispositivo de armazenagem, programa de computador, e, fluxo de bit - Google Patents

método para codificação imagens, método para decodificar imagens, codificador, decodificador, dispositivo de transmissão, dispositivo de recepção, sistema, dispositivo de armazenagem, programa de computador, e, fluxo de bit

Info

Publication number
BRPI0409491A
BRPI0409491A BRPI0409491-3A BRPI0409491A BRPI0409491A BR PI0409491 A BRPI0409491 A BR PI0409491A BR PI0409491 A BRPI0409491 A BR PI0409491A BR PI0409491 A BRPI0409491 A BR PI0409491A
Authority
BR
Brazil
Prior art keywords
images
decoder
encoder
computer program
bit stream
Prior art date
Application number
BRPI0409491-3A
Other languages
English (en)
Inventor
Miska Hannuksela
Original Assignee
Nokia 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 Nokia Corp filed Critical Nokia Corp
Publication of BRPI0409491A publication Critical patent/BRPI0409491A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/31—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
    • H04N19/29—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding involving scalability at the object level, e.g. video object layer [VOL]
    • 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
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder

Landscapes

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

Abstract

"MéTODO PARA CODIFICAR IMAGENS, MéTODO PARA DECODIFICAR IMAGENS, CODIFICADOR, DECODIFICADOR, DISPOSITIVO DE TRANSMISSãO, DISPOSITIVO DE RECEPçãO, SISTEMA, DISPOSITIVO DE ARMAZENAGEM, PROGRAMA DE COMPUTADOR, E, FLUXO DE BIT". A invenção relaciona a um método de codificação das imagens, onde as imagens codificadas primárias e as imagens codificadas redundantes das imagens codificadas primárias são formadas, cada imagem codificada primária compreendendo essencialmente a mesma informação de imagem da respectiva imagem codificada redundante. Ao menos uma das imagens codificadas redundantes compreende a informação de imagem correspondendo a apenas uma parte da informação de imagem da respectiva imagem codificada primária. A invenção também relaciona a um sistema, a um codificador, a um decodificador, a um dispositivo de transmissão, a um dispositivo de recepção, a um programa de computador, a um dispositivo de armazenagem e a um fluxo de bit.
BRPI0409491-3A 2003-04-30 2004-04-29 método para codificação imagens, método para decodificar imagens, codificador, decodificador, dispositivo de transmissão, dispositivo de recepção, sistema, dispositivo de armazenagem, programa de computador, e, fluxo de bit BRPI0409491A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/427,737 US20040218669A1 (en) 2003-04-30 2003-04-30 Picture coding method
PCT/FI2004/050053 WO2004098196A1 (en) 2003-04-30 2004-04-29 Picture coding method

Publications (1)

Publication Number Publication Date
BRPI0409491A true BRPI0409491A (pt) 2006-05-02

Family

ID=33310239

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0409491-3A BRPI0409491A (pt) 2003-04-30 2004-04-29 método para codificação imagens, método para decodificar imagens, codificador, decodificador, dispositivo de transmissão, dispositivo de recepção, sistema, dispositivo de armazenagem, programa de computador, e, fluxo de bit

Country Status (11)

Country Link
US (1) US20040218669A1 (pt)
EP (1) EP1618747A1 (pt)
JP (1) JP2006526908A (pt)
KR (1) KR20050122281A (pt)
CN (1) CN1781314A (pt)
AR (1) AR044118A1 (pt)
BR (1) BRPI0409491A (pt)
MX (1) MXPA05011533A (pt)
MY (1) MY137090A (pt)
TW (1) TWI253868B (pt)
WO (1) WO2004098196A1 (pt)

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JP4564350B2 (ja) * 2004-12-27 2010-10-20 株式会社東芝 信号処理装置
CN101151829A (zh) * 2005-04-07 2008-03-26 诺基亚公司 流传送中的缓存
US8289370B2 (en) 2005-07-20 2012-10-16 Vidyo, Inc. System and method for scalable and low-delay videoconferencing using scalable video coding
US7933294B2 (en) 2005-07-20 2011-04-26 Vidyo, Inc. System and method for low-delay, interactive communication using multiple TCP connections and scalable coding
JP2009508454A (ja) * 2005-09-07 2009-02-26 ヴィドヨ，インコーポレーテッド スケーラブルなビデオ符号化を用いたスケーラブルで低遅延のテレビ会議用システムおよび方法
FR2894739A1 (fr) * 2005-12-12 2007-06-15 Thomson Licensing Sa Procede de codage, procede de decodage, dispositif de codage et dispositif de decodage de donnees video
US7827467B2 (en) * 2006-01-04 2010-11-02 Nokia Corporation Method for checking of video encoder and decoder state integrity
KR100889745B1 (ko) * 2006-01-09 2009-03-24 한국전자통신연구원 날 유닛 타입 표시방법 및 그에 따른 비트스트림 전달장치및 리던던트 슬라이스 부호화 장치
JP5313880B2 (ja) * 2006-04-20 2013-10-09 トムソン ライセンシング 冗長ビデオ符号化方法および装置
US7584495B2 (en) * 2006-06-30 2009-09-01 Nokia Corporation Redundant stream alignment in IP datacasting over DVB-H
US8520733B2 (en) 2006-06-30 2013-08-27 Core Wireless Licensing S.A.R.L Video coding
EP2067356A1 (en) * 2006-09-28 2009-06-10 THOMSON Licensing Flexible redundancy coding
US9872045B2 (en) * 2006-10-16 2018-01-16 Conversant Wireless Licensing S.A R.L. Method, electronic device, system, computer program product and circuit assembly for reducing error in video coding
EP2119187B1 (en) * 2007-02-23 2017-07-19 Nokia Technologies Oy Backward-compatible characterization of aggregated media data units
US8953685B2 (en) * 2007-12-10 2015-02-10 Qualcomm Incorporated Resource-adaptive video interpolation or extrapolation with motion level analysis
FR2932036B1 (fr) * 2008-06-03 2011-01-07 Thales Sa Procede et systeme permettant de proteger un flux video compresse contre les erreurs survenant lors d'une transmission
US20100027614A1 (en) * 2008-08-04 2010-02-04 Legend Silicon Corp. Error awareness and means for remedying same in video decoding
JP5100572B2 (ja) * 2008-08-25 2012-12-19 キヤノン株式会社 符号化装置
US8934530B2 (en) * 2011-02-01 2015-01-13 Vidyo, Inc. Spatial scalability using redundant pictures and slice groups
AU2012225513B2 (en) 2011-03-10 2016-06-23 Vidyo, Inc. Dependency parameter set for scalable video coding
US9826238B2 (en) 2011-06-30 2017-11-21 Qualcomm Incorporated Signaling syntax elements for transform coefficients for sub-sets of a leaf-level coding unit
CN102438150B (zh) * 2011-09-29 2013-10-30 华中科技大学 一种抗信道误码的图像无损压缩检纠错编解码方法
CN104429080B (zh) * 2012-04-23 2017-12-12 太阳专利托管公司 解码方法及解码装置
US9313486B2 (en) 2012-06-20 2016-04-12 Vidyo, Inc. Hybrid video coding techniques
CN105103554A (zh) * 2013-03-28 2015-11-25 华为技术有限公司 用于保护视频帧序列防止包丢失的方法
CN104754341B (zh) * 2013-12-31 2019-02-26 华为技术有限公司 一种视频数据编码、解码的方法和装置
JP6857189B2 (ja) * 2016-02-26 2021-04-14 ヴァーシテック・リミテッドＶｅｒｓｉｔｅｃｈ Ｌｉｍｉｔｅｄ 画像のロッシー圧縮およびロスレス圧縮のための形状適応モデルベースコーデック
CN113766319A (zh) * 2018-06-01 2021-12-07 北京市商汤科技开发有限公司 图像信息处理方法及装置、存储介质
CN108668170B (zh) * 2018-06-01 2021-07-02 北京市商汤科技开发有限公司 图像信息处理方法及装置、存储介质
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Also Published As

Publication number Publication date
US20040218669A1 (en) 2004-11-04
MY137090A (en) 2008-12-31
MXPA05011533A (es) 2005-12-12
AR044118A1 (es) 2005-08-24
JP2006526908A (ja) 2006-11-24
TWI253868B (en) 2006-04-21
CN1781314A (zh) 2006-05-31
KR20050122281A (ko) 2005-12-28
TW200427335A (en) 2004-12-01
EP1618747A1 (en) 2006-01-25
WO2004098196A1 (en) 2004-11-11

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 7A E 8A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2159 DE 22/05/2012.

B15K Others concerning applications: alteration of classification

Ipc: H04N 19/31 (2014.01), H04N 19/107 (2014.01), H04N