BR112014011062A8 - otimização de contexto para codificação de posição de último coeficiente significativo - Google Patents

otimização de contexto para codificação de posição de último coeficiente significativo

Info

Publication number
BR112014011062A8
BR112014011062A8 BR112014011062A BR112014011062A BR112014011062A8 BR 112014011062 A8 BR112014011062 A8 BR 112014011062A8 BR 112014011062 A BR112014011062 A BR 112014011062A BR 112014011062 A BR112014011062 A BR 112014011062A BR 112014011062 A8 BR112014011062 A8 BR 112014011062A8
Authority
BR
Brazil
Prior art keywords
significant coefficient
last significant
position coding
context optimization
optimization
Prior art date
Application number
BR112014011062A
Other languages
English (en)
Other versions
BR112014011062B1 (pt
BR112014011062A2 (pt
Inventor
Guo Liwei
Karczewicz Marta
Jung Chien Wei
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
Priority to BR122020003135-2A priority Critical patent/BR122020003135B1/pt
Publication of BR112014011062A2 publication Critical patent/BR112014011062A2/pt
Publication of BR112014011062A8 publication Critical patent/BR112014011062A8/pt
Publication of BR112014011062B1 publication Critical patent/BR112014011062B1/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
    • 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
    • H03M7/4012—Binary arithmetic codes
    • H03M7/4018—Context adapative binary arithmetic codes [CABAC]
    • 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
    • H03M7/4031—Fixed length to variable length coding
    • H03M7/4037—Prefix 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
    • H04N19/10—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
    • H04N19/169—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
    • H04N19/18—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 set of transform coefficients

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)
BR112014011062-0A 2011-11-08 2012-11-06 Método e aparelho configurado para codificar e decodificar coeficientes de transformada para um bloco de transformada de um bloco de vídeo e meio de armazenamento legível por computador BR112014011062B1 (pt)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR122020003135-2A BR122020003135B1 (pt) 2011-11-08 2012-11-06 Método e dispositivo para decodificar dados de vídeo e meio de armazenamento não transitório legível por computador

Applications Claiming Priority (11)

Application Number Priority Date Filing Date Title
US201161557317P 2011-11-08 2011-11-08
US61/557,317 2011-11-08
US201161561909P 2011-11-20 2011-11-20
US61/561,909 2011-11-20
US201261588579P 2012-01-19 2012-01-19
US61/588,579 2012-01-19
US201261596049P 2012-02-07 2012-02-07
US61/596,049 2012-02-07
US13/669,096 US9357185B2 (en) 2011-11-08 2012-11-05 Context optimization for last significant coefficient position coding
US13/669,096 2012-11-05
PCT/US2012/063717 WO2013070610A1 (en) 2011-11-08 2012-11-06 Context optimization for last significant coefficient position coding

Publications (3)

Publication Number Publication Date
BR112014011062A2 BR112014011062A2 (pt) 2017-06-13
BR112014011062A8 true BR112014011062A8 (pt) 2017-06-20
BR112014011062B1 BR112014011062B1 (pt) 2021-06-29

Family

ID=48223671

Family Applications (2)

Application Number Title Priority Date Filing Date
BR122020003135-2A BR122020003135B1 (pt) 2011-11-08 2012-11-06 Método e dispositivo para decodificar dados de vídeo e meio de armazenamento não transitório legível por computador
BR112014011062-0A BR112014011062B1 (pt) 2011-11-08 2012-11-06 Método e aparelho configurado para codificar e decodificar coeficientes de transformada para um bloco de transformada de um bloco de vídeo e meio de armazenamento legível por computador

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BR122020003135-2A BR122020003135B1 (pt) 2011-11-08 2012-11-06 Método e dispositivo para decodificar dados de vídeo e meio de armazenamento não transitório legível por computador

Country Status (15)

Country Link
US (1) US9357185B2 (pt)
EP (3) EP3637768B1 (pt)
JP (1) JP5955974B2 (pt)
KR (1) KR101677356B1 (pt)
CN (1) CN104025457B (pt)
AU (1) AU2012336023B2 (pt)
BR (2) BR122020003135B1 (pt)
CA (1) CA2854816C (pt)
ES (1) ES2700523T3 (pt)
IL (1) IL232331A (pt)
IN (1) IN2014CN03431A (pt)
MY (1) MY168322A (pt)
RU (1) RU2586002C2 (pt)
SG (1) SG11201401614TA (pt)
WO (1) WO2013070610A1 (pt)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT2728866T (pt) * 2011-06-28 2019-02-21 Samsung Electronics Co Ltd Método e aparelho para codificar vídeo e método e aparelho para descodificar vídeo acompanhado com codificação aritmética
US9253508B2 (en) 2011-11-04 2016-02-02 Futurewei Technologies, Inc. Differential pulse code modulation intra prediction for high efficiency video coding
US9357185B2 (en) * 2011-11-08 2016-05-31 Qualcomm Incorporated Context optimization for last significant coefficient position coding
JP2014533058A (ja) * 2011-11-08 2014-12-08 サムスン エレクトロニクス カンパニー リミテッド ビデオの算術符号化方法及びその装置、並びにビデオの算術復号化方法及びその装置
US9154792B2 (en) 2011-11-08 2015-10-06 Qualcomm Incorporated Progressive coding of position of last significant coefficient
WO2013082291A2 (en) * 2011-11-29 2013-06-06 Huawei Technologies Co., Ltd. Unified partitioning structures and signaling methods for high efficiency video coding
US9654139B2 (en) 2012-01-19 2017-05-16 Huawei Technologies Co., Ltd. High throughput binarization (HTB) method for CABAC in HEVC
US20130188736A1 (en) 2012-01-19 2013-07-25 Sharp Laboratories Of America, Inc. High throughput significance map processing for cabac in hevc
US9860527B2 (en) 2012-01-19 2018-01-02 Huawei Technologies Co., Ltd. High throughput residual coding for a transform skipped block for CABAC in HEVC
US9743116B2 (en) * 2012-01-19 2017-08-22 Huawei Technologies Co., Ltd. High throughput coding for CABAC in HEVC
US10616581B2 (en) 2012-01-19 2020-04-07 Huawei Technologies Co., Ltd. Modified coding for a transform skipped block for CABAC in HEVC
US9237344B2 (en) * 2012-03-22 2016-01-12 Qualcomm Incorporated Deriving context for last position coding for video coding
CN104380733B (zh) * 2012-06-28 2017-09-05 日本电气株式会社 视频量化参数编码方法、视频量化参数解码方法、设备
GB2513111A (en) * 2013-04-08 2014-10-22 Sony Corp Data encoding and decoding
US9215464B2 (en) * 2013-09-19 2015-12-15 Blackberry Limited Coding position data for the last non-zero transform coefficient in a coefficient group
US11323733B2 (en) 2014-05-23 2022-05-03 Qualcomm Incorporated Predictor palette initialization in palette-based video coding
US10382749B2 (en) * 2014-05-23 2019-08-13 Qualcomm Incorporated Coding run values based on palette index in palette-based video coding
US10291940B2 (en) 2014-05-23 2019-05-14 Qualcomm Incorporated Coding runs with escape in palette-based video coding
CN107079151B (zh) 2014-09-26 2020-06-05 株式会社Kt 用于处理视频信号的方法和设备
US10477218B2 (en) 2014-10-20 2019-11-12 Kt Corporation Method and apparatus for predicting and restoring a video signal using palette entry
CN111800632B (zh) 2015-01-15 2024-03-29 株式会社Kt 对编码视频信号解码的方法和对视频信号编码的方法
CN107211153B (zh) 2015-01-29 2020-10-02 株式会社Kt 用于处理视频信号的方法和设备
CN107409224B (zh) 2015-01-29 2020-09-08 株式会社Kt 用于处理视频信号的方法和设备
WO2016159610A1 (ko) 2015-04-02 2016-10-06 주식회사 케이티 비디오 신호 처리 방법 및 장치
US10708164B2 (en) * 2016-05-03 2020-07-07 Qualcomm Incorporated Binarizing secondary transform index
EP3270595A1 (en) * 2016-07-15 2018-01-17 Thomson Licensing Method and apparatus for last coefficient coding for adaptive transform based video compression
EP3270594A1 (en) * 2016-07-15 2018-01-17 Thomson Licensing Method and apparatus for advanced cabac context adaptation for last coefficient coding
KR102527184B1 (ko) * 2018-03-29 2023-05-03 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 변환 계수 블록 코딩
EP3562156A1 (en) * 2018-04-27 2019-10-30 InterDigital VC Holdings, Inc. Method and apparatus for adaptive context modeling in video encoding and decoding
EP3818705A1 (en) * 2018-07-02 2021-05-12 InterDigital VC Holdings, Inc. Context-based binary arithmetic encoding and decoding
US11483575B2 (en) * 2018-08-24 2022-10-25 Hfi Innovation Inc. Coding transform coefficients with throughput constraints
US11336918B2 (en) 2018-09-05 2022-05-17 Qualcomm Incorporated Regular coded bin reduction for coefficient coding
CA3113988A1 (en) * 2018-09-23 2020-03-26 Lg Electronics Inc. Method for encoding/decoding video signals and apparatus therefor
CN114374839B (zh) 2018-11-12 2023-06-20 Lg电子株式会社 图像解码方法、图像编码方法和数据发送方法
US10904548B2 (en) 2018-12-06 2021-01-26 Qualcomm Incorporated Coefficient processing for video encoding and decoding
JP2021510943A (ja) * 2018-12-17 2021-04-30 エルジー エレクトロニクス インコーポレイティド 高周波ゼロイングに基づいて変換係数スキャン順序を決定する方法及び装置
US10798397B2 (en) * 2019-01-02 2020-10-06 Tencent America LLC Method and apparatus for video coding
US11134273B2 (en) 2019-02-14 2021-09-28 Qualcomm Incorporated Regular coded bin reduction for coefficient coding
JP2022525597A (ja) 2019-03-11 2022-05-18 インターデイジタル ヴィーシー ホールディングス インコーポレイテッド ビデオエンコードおよびデコードのためのエントロピー符号化
US11218735B2 (en) * 2019-04-02 2022-01-04 Qualcomm Incorporated Context derivation for last position coding for video coding
US11949870B2 (en) * 2019-06-21 2024-04-02 Qualcomm Incorporated Context modeling for low-frequency non-separable transformation signaling for video coding
US11336893B2 (en) * 2020-01-07 2022-05-17 Qualcomm Incorporated Context derivation and entropy coding initialization parameters for coordinates of last position coding in video coding
US11785219B2 (en) 2020-04-13 2023-10-10 Qualcomm Incorporated Coefficient coding for support of different color formats in video coding
WO2024011076A1 (en) * 2022-07-06 2024-01-11 Bytedance Inc. Method, apparatus, and medium for video processing

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1500281A2 (de) 2002-05-02 2005-01-26 Fraunhofer-Gesellschaft Zur Förderung Der Angewandten Forschung E.V. Kodierung von transformations-koeffizienten in bild- oder videokodierern
US6900748B2 (en) 2003-07-17 2005-05-31 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for binarization and arithmetic coding of a data value
KR100612015B1 (ko) 2004-07-22 2006-08-11 삼성전자주식회사 컨텍스트 적응형 이진 산술 부호화 방법 및 그 장치
DE102004049156B4 (de) 2004-10-08 2006-07-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codierschema für einen ein zeitlich veränderliches Graphikmodell darstellenden Datenstrom
EP2765780A1 (en) 2005-12-05 2014-08-13 Huawei Technologies Co., Ltd. Binarizing method and device thereof
US8275045B2 (en) * 2006-07-12 2012-09-25 Qualcomm Incorporated Video compression using adaptive variable length codes
US20100040136A1 (en) 2008-08-13 2010-02-18 Horizon Semiconductors Ltd. Method for performing binarization using a lookup table
BRPI0917456B1 (pt) * 2008-08-19 2020-09-15 Contentarmor Método para atendimento a fluxo de vídeo de codificação aritmética binária adaptativa com base em contexto (cabac)
HUE037656T2 (hu) 2010-04-13 2018-09-28 Fraunhofer Ges Forschung Valószínûség intervallum partícionáló kódoló és dekódoló
KR20230129624A (ko) 2010-05-12 2023-09-08 인터디지털 매디슨 페턴트 홀딩스 에스에이에스 통합된 유효성 맵 코딩을 위한 방법 및 장치
US9591320B2 (en) 2010-07-15 2017-03-07 Texas Instruments Incorporated Context and bypass encoding video
CN101951516B (zh) * 2010-09-25 2013-06-05 清华大学 基于h.264/avc中cabac的并行编码实现电路及编码方法
US9641846B2 (en) 2010-10-22 2017-05-02 Qualcomm Incorporated Adaptive scanning of transform coefficients for video coding
US8861599B2 (en) 2011-03-08 2014-10-14 Sony Corporation Context reduction for last transform position coding
US8446301B2 (en) * 2011-04-15 2013-05-21 Research In Motion Limited Methods and devices for coding and decoding the position of the last significant coefficient
US20130003858A1 (en) * 2011-06-30 2013-01-03 Vivienne Sze Simplified Context Selection For Entropy Coding of Transform Coefficient Syntax Elements
CN103597834B (zh) * 2011-08-04 2016-12-21 寰发股份有限公司 基于上下文自适应二进制算术编码的方法及装置
US8964849B2 (en) * 2011-11-01 2015-02-24 Blackberry Limited Multi-level significance maps for encoding and decoding
JP2014533058A (ja) 2011-11-08 2014-12-08 サムスン エレクトロニクス カンパニー リミテッド ビデオの算術符号化方法及びその装置、並びにビデオの算術復号化方法及びその装置
US9154792B2 (en) 2011-11-08 2015-10-06 Qualcomm Incorporated Progressive coding of position of last significant coefficient
US9357185B2 (en) * 2011-11-08 2016-05-31 Qualcomm Incorporated Context optimization for last significant coefficient position coding

Also Published As

Publication number Publication date
EP3637768B1 (en) 2021-04-21
JP2015502080A (ja) 2015-01-19
EP3439305A1 (en) 2019-02-06
RU2014123383A (ru) 2015-12-20
IL232331A (en) 2017-05-29
BR112014011062B1 (pt) 2021-06-29
AU2012336023B2 (en) 2016-01-07
IN2014CN03431A (pt) 2015-09-04
CN104025457A (zh) 2014-09-03
US9357185B2 (en) 2016-05-31
AU2012336023A1 (en) 2014-05-22
CA2854816C (en) 2017-06-06
BR122020003135B1 (pt) 2021-07-06
KR101677356B1 (ko) 2016-11-17
BR112014011062A2 (pt) 2017-06-13
RU2586002C2 (ru) 2016-06-10
SG11201401614TA (en) 2014-07-30
JP5955974B2 (ja) 2016-07-20
CN104025457B (zh) 2017-06-30
ES2700523T3 (es) 2019-02-18
EP3637768A1 (en) 2020-04-15
EP2777163A1 (en) 2014-09-17
MY168322A (en) 2018-10-30
EP2777163B1 (en) 2018-10-10
WO2013070610A1 (en) 2013-05-16
EP3439305B1 (en) 2020-03-11
KR20140098120A (ko) 2014-08-07
US20130114676A1 (en) 2013-05-09
IL232331A0 (en) 2014-06-30
CA2854816A1 (en) 2013-05-16

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B15K Others concerning applications: alteration of classification

Ipc: H04N 19/10 (2014.01), H03M 7/40 (2006.01), H04N 19

B15K Others concerning applications: alteration of classification

Ipc: H03M 7/40 (2006.01), H04N 19/10 (2014.01), H04N 19

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]
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Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 06/11/2012, OBSERVADAS AS CONDICOES LEGAIS.

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