BRPI0922120A2 - codificador de imagem, e, decodificador de imagem. - Google Patents

codificador de imagem, e, decodificador de imagem.

Info

Publication number
BRPI0922120A2
BRPI0922120A2 BRPI0922120A BRPI0922120A BRPI0922120A2 BR PI0922120 A2 BRPI0922120 A2 BR PI0922120A2 BR PI0922120 A BRPI0922120 A BR PI0922120A BR PI0922120 A BRPI0922120 A BR PI0922120A BR PI0922120 A2 BRPI0922120 A2 BR PI0922120A2
Authority
BR
Brazil
Prior art keywords
image
decoder
encoder
image encoder
image decoder
Prior art date
Application number
BRPI0922120A
Other languages
English (en)
Inventor
Shunichi Sekiguchi
Yoshihisa Yamada
Yoshimi Moriya
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 BRPI0922120A2 publication Critical patent/BRPI0922120A2/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
    • H04N19/102—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
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/42—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code using table look-up for the coding or decoding process, e.g. using read-only memory
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006—Conversion to or from arithmetic code
    • 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
    • H04N19/102—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
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • 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
    • 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
    • H04N19/46—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
    • H04N19/50—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
    • 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)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
BRPI0922120A 2008-11-07 2009-10-16 codificador de imagem, e, decodificador de imagem. BRPI0922120A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008286499 2008-11-07
PCT/JP2009/005417 WO2010052833A1 (ja) 2008-11-07 2009-10-16 画像符号化装置及び画像復号装置

Publications (1)

Publication Number Publication Date
BRPI0922120A2 true BRPI0922120A2 (pt) 2016-01-05

Family

ID=42152647

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0922120A BRPI0922120A2 (pt) 2008-11-07 2009-10-16 codificador de imagem, e, decodificador de imagem.

Country Status (10)

Country Link
US (1) US20110211636A1 (pt)
EP (1) EP2348734A1 (pt)
JP (1) JPWO2010052833A1 (pt)
KR (1) KR20110091000A (pt)
CN (1) CN102210151A (pt)
BR (1) BRPI0922120A2 (pt)
CA (1) CA2742239A1 (pt)
MX (1) MX2011004850A (pt)
RU (1) RU2011122801A (pt)
WO (1) WO2010052833A1 (pt)

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KR101219309B1 (ko) * 2010-09-29 2013-01-08 전북대학교산학협력단 신호 처리 소자 및 이미지 처리 소자
US9490839B2 (en) 2011-01-03 2016-11-08 Qualcomm Incorporated Variable length coding of video block coefficients
CN107425855B (zh) 2011-01-14 2021-02-02 Ge视频压缩有限责任公司 熵编码设备和方法、熵解码设备和方法、及存储介质
US9516316B2 (en) 2011-06-29 2016-12-06 Qualcomm Incorporated VLC coefficient coding for large chroma block
US9338456B2 (en) 2011-07-11 2016-05-10 Qualcomm Incorporated Coding syntax elements using VLC codewords
US9076267B2 (en) 2011-07-19 2015-07-07 Panasonic Intellectual Property Corporation Of America Image coding device, integrated circuit thereof, and image coding method
EP2763413B1 (en) 2011-09-28 2021-03-17 Sun Patent Trust Image encoding method and apparatus
US9826229B2 (en) * 2012-09-29 2017-11-21 Google Technology Holdings LLC Scan pattern determination from base layer pixel information for scalable extension
JP6190103B2 (ja) * 2012-10-29 2017-08-30 キヤノン株式会社 動画像符号化装置、動画像符号化方法およびプログラム
US9716894B2 (en) * 2013-03-25 2017-07-25 Qualcomm Incorporated Intra prediction modes for lossy coding when transform is skipped
JP6226578B2 (ja) * 2013-06-13 2017-11-08 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
CN103533351B (zh) * 2013-09-26 2016-08-17 西安空间无线电技术研究所 一种多量化表的图像压缩方法
JP2015170932A (ja) * 2014-03-05 2015-09-28 株式会社リコー 画像圧縮装置及び画像圧縮方法
KR102211592B1 (ko) * 2014-03-19 2021-02-04 삼성전자주식회사 전자 장치 및 이의 영상 처리 방법
US10244255B2 (en) 2015-04-13 2019-03-26 Qualcomm Incorporated Rate-constrained fallback mode for display stream compression
US10284849B2 (en) 2015-04-13 2019-05-07 Qualcomm Incorporated Quantization parameter (QP) calculation for display stream compression (DSC) based on complexity measure
US9936203B2 (en) 2015-04-13 2018-04-03 Qualcomm Incorporated Complex region detection for display stream compression
US10356428B2 (en) * 2015-04-13 2019-07-16 Qualcomm Incorporated Quantization parameter (QP) update classification for display stream compression (DSC)
US10225561B2 (en) * 2015-10-08 2019-03-05 Mediatek Inc. Method and apparatus for syntax signaling in image and video compression
US10574988B2 (en) * 2015-11-19 2020-02-25 Qualcomm Incorporated System and methods for reducing slice boundary visual artifacts in display stream compression (DSC)
JP2017163390A (ja) * 2016-03-10 2017-09-14 富士通株式会社 情報処理装置、データ圧縮方法、及び、データ圧縮プログラム
CN107888917B (zh) * 2017-11-28 2021-06-22 北京奇艺世纪科技有限公司 一种图像编解码方法及装置
US10728557B2 (en) 2018-10-24 2020-07-28 Sony Corporation Embedded codec circuitry for sub-block based entropy coding of quantized-transformed residual levels
WO2020092137A1 (en) * 2018-11-01 2020-05-07 Interdigital Vc Holdings, Inc. Video encoding and decoding using multiple transform selection
KR102595372B1 (ko) 2018-12-17 2023-10-27 엘지전자 주식회사 고주파 제로잉을 기반으로 변환 계수 스캔 순서를 결정하는 방법 및 장치
US10939107B2 (en) 2019-03-01 2021-03-02 Sony Corporation Embedded codec circuitry for sub-block based allocation of refinement bits
JP2020150516A (ja) 2019-03-15 2020-09-17 シャープ株式会社 画像復号装置及び画像符号化装置
CN114079772B (zh) * 2020-08-21 2023-04-07 腾讯科技（深圳）有限公司 视频解码方法、装置、计算机可读介质及电子设备
CN113824957B (zh) * 2020-09-27 2022-10-28 腾讯科技（深圳）有限公司 视频编解码方法、装置及电子设备

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US5493513A (en) * 1993-11-24 1996-02-20 Intel Corporation Process, apparatus and system for encoding video signals using motion estimation
JP3967405B2 (ja) * 1996-10-09 2007-08-29 テキサス インスツルメンツ インコーポレイテツド 画像信号の符号化方法
KR100487986B1 (ko) * 1997-10-23 2005-05-09 미쓰비시덴키 가부시키가이샤 화상 복호화 장치
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Also Published As

Publication number Publication date
KR20110091000A (ko) 2011-08-10
EP2348734A1 (en) 2011-07-27
US20110211636A1 (en) 2011-09-01
WO2010052833A1 (ja) 2010-05-14
RU2011122801A (ru) 2012-12-20
JPWO2010052833A1 (ja) 2012-03-29
CN102210151A (zh) 2011-10-05
MX2011004850A (es) 2011-05-30
CA2742239A1 (en) 2010-05-14

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 5A E 6A 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: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2372 DE 21-06-2016 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: H03M 7/42 (2006.01), H03M 7/40 (2006.01), H04N 19/