BR122020003135B1 - Método e dispositivo para decodificar dados de vídeo e meio de armazenamento não transitório legível por computador - Google Patents

Método e dispositivo para decodificar dados de vídeo e meio de armazenamento não transitório legível por computador Download PDF

Info

Publication number
BR122020003135B1
BR122020003135B1 BR122020003135-2A BR122020003135A BR122020003135B1 BR 122020003135 B1 BR122020003135 B1 BR 122020003135B1 BR 122020003135 A BR122020003135 A BR 122020003135A BR 122020003135 B1 BR122020003135 B1 BR 122020003135B1
Authority
BR
Brazil
Prior art keywords
video
binary
binary sequence
context
block
Prior art date
Application number
BR122020003135-2A
Other languages
English (en)
Portuguese (pt)
Inventor
Liwei GUO
Wei-Jung Chien
Marta Karczewicz
Original Assignee
Velos Media International Limited
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 Velos Media International Limited filed Critical Velos Media International Limited
Publication of BR122020003135B1 publication Critical patent/BR122020003135B1/pt

Links

Images

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

Applications Claiming Priority (12)

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 2012-11-05
US13/669,096 US9357185B2 (en) 2011-11-08 2012-11-05 Context optimization for last significant coefficient position coding
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
PCT/US2012/063717 WO2013070610A1 (en) 2011-11-08 2012-11-06 Context optimization for last significant coefficient position coding

Publications (1)

Publication Number Publication Date
BR122020003135B1 true BR122020003135B1 (pt) 2021-07-06

Family

ID=48223671

Family Applications (2)

Application Number Title Priority Date Filing Date
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
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

Family Applications Before (1)

Application Number Title Priority Date Filing Date
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

Country Status (16)

Country Link
US (1) US9357185B2 (enExample)
EP (3) EP3439305B1 (enExample)
JP (1) JP5955974B2 (enExample)
KR (1) KR101677356B1 (enExample)
CN (1) CN104025457B (enExample)
AU (1) AU2012336023B2 (enExample)
BR (2) BR112014011062B1 (enExample)
CA (1) CA2854816C (enExample)
ES (1) ES2700523T3 (enExample)
IL (1) IL232331A (enExample)
IN (1) IN2014CN03431A (enExample)
MY (1) MY168322A (enExample)
PH (1) PH12014500948A1 (enExample)
RU (1) RU2586002C2 (enExample)
SG (1) SG11201401614TA (enExample)
WO (1) WO2013070610A1 (enExample)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9565455B2 (en) * 2011-06-28 2017-02-07 Samsung Electronics Co., Ltd. Method and apparatus for coding video and method and apparatus for decoding video accompanied with arithmetic coding
EP2774360B1 (en) 2011-11-04 2017-08-02 Huawei Technologies Co., Ltd. Differential pulse code modulation intra prediction for high efficiency video coding
US9154792B2 (en) 2011-11-08 2015-10-06 Qualcomm Incorporated Progressive coding of position of last significant coefficient
WO2013069991A1 (ko) * 2011-11-08 2013-05-16 삼성전자 주식회사 비디오의 산술 부호화 방법 및 그 장치, 비디오의 산술 복호화 방법 및 그 장치
US9357185B2 (en) * 2011-11-08 2016-05-31 Qualcomm Incorporated Context optimization for last significant coefficient position coding
WO2013082291A2 (en) * 2011-11-29 2013-06-06 Huawei Technologies Co., Ltd. Unified partitioning structures and signaling methods for high efficiency video coding
US20130188736A1 (en) 2012-01-19 2013-07-25 Sharp Laboratories Of America, Inc. High throughput significance map processing 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
US9654139B2 (en) 2012-01-19 2017-05-16 Huawei Technologies Co., Ltd. High throughput binarization (HTB) method for CABAC in HEVC
US9743116B2 (en) * 2012-01-19 2017-08-22 Huawei Technologies Co., Ltd. High throughput coding 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
US9237344B2 (en) * 2012-03-22 2016-01-12 Qualcomm Incorporated Deriving context for last position coding for video coding
US20150326859A1 (en) * 2012-06-28 2015-11-12 Nec Corporation Video quantization-parameter encoding method, video quantization-parameter decoding method, device, and program
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
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
US11323733B2 (en) 2014-05-23 2022-05-03 Qualcomm Incorporated Predictor palette initialization in palette-based video coding
WO2016048092A1 (ko) 2014-09-26 2016-03-31 주식회사 케이티 비디오 신호 처리 방법 및 장치
CN107079163B (zh) 2014-10-20 2020-06-05 株式会社Kt 用于处理视频信号的方法和设备
CN111131824B (zh) 2015-01-15 2023-10-03 株式会社Kt 对视频信号进行解码的方法和对视频信号进行编码的方法
CN112135143B (zh) 2015-01-29 2022-08-30 株式会社Kt 用于对经编码的视频信号解码和对视频信号编码的方法
WO2016122251A1 (ko) 2015-01-29 2016-08-04 주식회사 케이티 비디오 신호 처리 방법 및 장치
US10484713B2 (en) 2015-04-02 2019-11-19 Kt Corporation Method and device for predicting and restoring a video signal using palette entry and palette escape mode
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
KR102636388B1 (ko) 2018-03-29 2024-02-15 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
US12301818B2 (en) * 2018-07-02 2025-05-13 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
JP7245323B2 (ja) * 2018-09-23 2023-03-23 エルジー エレクトロニクス インコーポレイティド ビデオ信号の符号化／復号化方法及びそのための装置
CN114390282B (zh) * 2018-11-12 2023-09-08 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
JP7617013B2 (ja) 2019-03-11 2025-01-17 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
ES3041151T3 (en) * 2019-06-19 2025-11-07 Lg Electronics Inc Coding of information about transform kernel set
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
JP4313757B2 (ja) 2002-05-02 2009-08-12 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 画像および／またはビデオ符号器と復号器における変換係数を符号化するための方法と装置および対応するコンピュータプログラムと対応するコンピュータによる読み出し可能な記憶媒体
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
JP5373910B2 (ja) * 2008-08-19 2013-12-18 トムソン ライセンシング Ｃａｂａｃストリームのコンプライアンス
PL2559166T3 (pl) 2010-04-13 2018-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Koder i dekoder dzielący interwał prawdopodobieństwa
KR102310816B1 (ko) 2010-05-12 2021-10-13 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
CN106101727B (zh) * 2011-08-04 2019-10-08 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
US9357185B2 (en) * 2011-11-08 2016-05-31 Qualcomm Incorporated Context optimization for last significant coefficient position coding
WO2013069991A1 (ko) 2011-11-08 2013-05-16 삼성전자 주식회사 비디오의 산술 부호화 방법 및 그 장치, 비디오의 산술 복호화 방법 및 그 장치
US9154792B2 (en) 2011-11-08 2015-10-06 Qualcomm Incorporated Progressive coding of position of last significant coefficient

Also Published As

Publication number Publication date
BR112014011062A2 (pt) 2017-06-13
RU2014123383A (ru) 2015-12-20
JP2015502080A (ja) 2015-01-19
IL232331A (en) 2017-05-29
PH12014500948A1 (en) 2017-07-19
RU2586002C2 (ru) 2016-06-10
CA2854816C (en) 2017-06-06
AU2012336023B2 (en) 2016-01-07
EP3637768A1 (en) 2020-04-15
EP2777163A1 (en) 2014-09-17
IL232331A0 (en) 2014-06-30
CN104025457A (zh) 2014-09-03
CN104025457B (zh) 2017-06-30
EP3637768B1 (en) 2021-04-21
WO2013070610A1 (en) 2013-05-16
MY168322A (en) 2018-10-30
EP2777163B1 (en) 2018-10-10
BR112014011062B1 (pt) 2021-06-29
CA2854816A1 (en) 2013-05-16
US20130114676A1 (en) 2013-05-09
US9357185B2 (en) 2016-05-31
EP3439305A1 (en) 2019-02-06
KR20140098120A (ko) 2014-08-07
AU2012336023A1 (en) 2014-05-22
BR112014011062A8 (pt) 2017-06-20
KR101677356B1 (ko) 2016-11-17
SG11201401614TA (en) 2014-07-30
ES2700523T3 (es) 2019-02-18
IN2014CN03431A (enExample) 2015-09-04
EP3439305B1 (en) 2020-03-11
JP5955974B2 (ja) 2016-07-20

Similar Documents

Publication Publication Date Title
BR122020003135B1 (pt) Método e dispositivo para decodificar dados de vídeo e meio de armazenamento não transitório legível por computador
TWI657692B (zh) 於視訊寫碼程序中用於係數層級寫碼之萊斯（ｒｉｃｅ）參數初始化
CN105027561B (zh) 用于上下文自适应、多层级有效性译码的上下文导出
ES2864623T3 (es) Codificación de parámetros de cuantificación (QP) en codificación de video
BR112014011065B1 (pt) Número de redução de contexto para codificação aritmética binária adaptativa ao contexto
BR112014017364B1 (pt) Aperfeiçoamento de rendimento para codificação de nível de coeficiente cabac
BR112014025406B1 (pt) Método de codificação e de decodificação de dados de vídeo, mídia de armazenamento legível por computador e aparelho para codificar e decodificar dados de vídeo
BR112014011058B1 (pt) Métodos para codificar e decodificar dados de vídeo, dispositivos compreendendo um codificador e um decodificador de vídeo e meio de armazenamento
TW201711464A (zh) 使用一全文自適應二進位算術寫碼設計來寫碼資料
BR112018004180B1 (pt) Método de decodificação de dados de vídeo, método de codificação de dados de vídeo e dispositivo para converter dados de vídeo em código
BR112014010326B1 (pt) Codificação de vídeo intramodo
JP2015513290A (ja) 映像コーディングにおける基準インデックスコーディングのためのバイパスビン
BR112021009714A2 (pt) redução de bin codificado regular para decodificação de coeficiente usando limite e parâmetro rice
CN104081778B (zh) 并行运动估计范围大小的隐含推导
HK40003889B (en) Decoding of position of last significant coefficient
HK40003889A (en) Decoding of position of last significant coefficient
HK1197951A (en) Context optimization for last significant coefficient position coding
HK1197951B (en) Context optimization for last significant coefficient position coding
BR112016021138B1 (pt) Codificação de nível de coeficiente em um processo de codificação de vídeo

Legal Events

Date Code Title Description
B350 Update of information on the portal [chapter 15.35 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 06/11/2012, OBSERVADAS AS CONDICOES LEGAIS.

B25A Requested transfer of rights approved

Owner name: QUALCOMM INCORPORATED (US)