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BRPI0915821A2 - dispositivos codificador e decodificador de imagem, e, métodos de codificação e de decodificação de imagem. - Google Patents

dispositivos codificador e decodificador de imagem, e, métodos de codificação e de decodificação de imagem.

Info

Publication number
BRPI0915821A2
BRPI0915821A2 BRPI0915821A BRPI0915821A BRPI0915821A2 BR PI0915821 A2 BRPI0915821 A2 BR PI0915821A2 BR PI0915821 A BRPI0915821 A BR PI0915821A BR PI0915821 A BRPI0915821 A BR PI0915821A BR PI0915821 A2 BRPI0915821 A2 BR PI0915821A2
Authority
BR
Brazil
Prior art keywords
image
decoding methods
decoder devices
image encoding
encoder
Prior art date
Application number
BRPI0915821A
Other languages
English (en)
Inventor
Kohtaro Asai
Shuichi Yamagishi
Shunichi Sekiguchi
Tokumichi Nurakami
Yoshiaki Kato
Yoshihisa Yamada
Yusuke Itani
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of BRPI0915821A2 publication Critical patent/BRPI0915821A2/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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/57—Motion estimation characterised by a search window with variable size or shape
    • 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
    • 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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • H04N19/189—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
    • H04N19/19—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 using optimisation based on Lagrange multipliers
    • 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
    • H04N19/46—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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/56—Motion estimation with initialisation of the vector search, e.g. estimating a good candidate to initiate a search
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BRPI0915821A 2008-07-10 2009-07-03 dispositivos codificador e decodificador de imagem, e, métodos de codificação e de decodificação de imagem. BRPI0915821A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008180284 2008-07-10
PCT/JP2009/062212 WO2010004939A1 (ja) 2008-07-10 2009-07-03 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

Publications (1)

Publication Number Publication Date
BRPI0915821A2 true BRPI0915821A2 (pt) 2015-11-10

Family

ID=41507053

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0915821A BRPI0915821A2 (pt) 2008-07-10 2009-07-03 dispositivos codificador e decodificador de imagem, e, métodos de codificação e de decodificação de imagem.

Country Status (10)

Country Link
US (1) US20110129016A1 (pt)
EP (1) EP2312856A4 (pt)
JP (1) JP5289440B2 (pt)
KR (1) KR20110040893A (pt)
CN (1) CN102090065A (pt)
BR (1) BRPI0915821A2 (pt)
CA (1) CA2730383A1 (pt)
MX (1) MX2011000261A (pt)
RU (2) RU2011104707A (pt)
WO (1) WO2010004939A1 (pt)

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JP5368631B2 (ja) 2010-04-08 2013-12-18 株式会社東芝 画像符号化方法、装置、及びプログラム
US20120262545A1 (en) * 2011-04-18 2012-10-18 Paul Kerbiriou Method for coding and decoding a 3d video signal and corresponding devices
US9282338B2 (en) 2011-06-20 2016-03-08 Qualcomm Incorporated Unified merge mode and adaptive motion vector prediction mode candidates selection
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USRE47366E1 (en) 2011-06-23 2019-04-23 Sun Patent Trust Image decoding method and apparatus based on a signal type of the control parameter of the current block
US9106919B2 (en) 2011-06-24 2015-08-11 Panasonic Intellectual Property Corporation Of America Image decoding method, image coding method, image decoding apparatus, image coding apparatus, and image coding and decoding apparatus
CA2833855C (en) 2011-06-24 2018-08-28 Panasonic Corporation Image decoding method, image coding method, image decoding apparatus, image coding apparatus, and image coding and decoding apparatus
EP2725793A4 (en) 2011-06-27 2014-12-03 Panasonic Ip Corp America IMAGE DECODING METHOD, IMAGE ENCODING METHOD, IMAGE DECODING DEVICE, IMAGE ENCODING DEVICE, AND IMAGE ENCODING / DECODING DEVICE
EP3739884B1 (en) * 2011-06-27 2021-08-04 Samsung Electronics Co., Ltd. Encoding and decoding motion information
BR112013030181B1 (pt) 2011-06-28 2022-09-27 Sun Patent Trust Método de decodificação para decodificar um parâmetro de controle para controlar decodificação de uma imagem, e método de codificação para codificar um parâmetro de controle para controlar codificação de uma imagem
WO2013001767A1 (ja) 2011-06-29 2013-01-03 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、画像符号化装置及び画像符号化復号装置
PL3419289T3 (pl) * 2011-06-30 2021-04-19 JVC Kenwood Corporation Urządzenie do dekodowania obrazu, sposób dekodowania obrazu i program do dekodowania obrazu
AU2012277219A1 (en) 2011-06-30 2013-09-19 Sun Patent Trust Image decoding method, image encoding method, image decoding device, image encoding device, and image encoding/decoding device
PL2728869T3 (pl) 2011-06-30 2022-02-28 Sun Patent Trust Sposób dekodowania obrazów
KR102271116B1 (ko) 2011-07-11 2021-06-29 선 페이턴트 트러스트 화상 복호 방법, 화상 부호화 방법, 화상 복호 장치, 화상 부호화 장치 및 화상 부호화 복호 장치
MX351041B (es) 2011-09-09 2017-09-29 Kt Corp Método para derivar un vector de movimiento predictivo temporal y aparato que usa el método.
GB2494469B (en) * 2011-09-12 2015-04-01 Canon Kk Method and device for encoding or decoding information representing prediction modes
BR122020010110B1 (pt) * 2012-03-28 2021-08-17 JVC Kenwood Corporation Dispositivo de codificação de imagem
JP6066583B2 (ja) * 2012-05-01 2017-01-25 キヤノン株式会社 動画像符号化装置及び動画像符号化方法
CN104322063B (zh) * 2012-07-27 2018-11-02 惠普发展公司，有限责任合伙企业 视频流压缩的方法、系统和计算机可读存储介质
KR102088383B1 (ko) * 2013-03-15 2020-03-12 삼성전자주식회사 비디오의 부호화 방법 및 장치, 비디오의 복호화 방법 및 장치
CN103338377A (zh) * 2013-07-11 2013-10-02 青岛海信信芯科技有限公司 用于确定运动估计中最优运动矢量的方法
JP6555856B2 (ja) * 2014-06-19 2019-08-07 三菱電機株式会社 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
JP2016005210A (ja) * 2014-06-19 2016-01-12 三菱電機株式会社 端末装置及びデータ管理装置
KR20170009554A (ko) * 2015-07-17 2017-01-25 에스케이하이닉스 주식회사 테스트 시스템 및 테스트 방법
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Also Published As

Publication number Publication date
EP2312856A4 (en) 2011-12-28
RU2011104707A (ru) 2012-08-20
CA2730383A1 (en) 2010-01-14
RU2011146833A (ru) 2013-05-27
MX2011000261A (es) 2011-02-22
EP2312856A1 (en) 2011-04-20
US20110129016A1 (en) 2011-06-02
CN102090065A (zh) 2011-06-08
JPWO2010004939A1 (ja) 2012-01-05
WO2010004939A1 (ja) 2010-01-14
KR20110040893A (ko) 2011-04-20
JP5289440B2 (ja) 2013-09-11

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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: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2362 DE 12-04-2016 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.

B15K Others concerning applications: alteration of classification

Ipc: H04N 19/57 (2014.01), H04N 19/109 (2014.01), H04N