KR20140120337A - 감소된 초기화 값 세트를 갖는 콘텍스트 적응 엔트로피 코딩 - Google Patents

감소된 초기화 값 세트를 갖는 콘텍스트 적응 엔트로피 코딩 Download PDF

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KR20140120337A
KR20140120337A KR1020147022719A KR20147022719A KR20140120337A KR 20140120337 A KR20140120337 A KR 20140120337A KR 1020147022719 A KR1020147022719 A KR 1020147022719A KR 20147022719 A KR20147022719 A KR 20147022719A KR 20140120337 A KR20140120337 A KR 20140120337A
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South Korea
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slice
initialization
video data
values
contexts
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Korean (ko)
Inventor
리웨이 궈
무하메드 제이드 코반
샹린 왕
마르타 카르체비츠
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퀄컴 인코포레이티드
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    • 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
    • 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
    • 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
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding
    • H04N19/21—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object coding with binary alpha-plane coding for video objects, e.g. context-based arithmetic encoding [CAE]
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020147022719A 2012-01-19 2013-01-18 감소된 초기화 값 세트를 갖는 콘텍스트 적응 엔트로피 코딩 Withdrawn KR20140120337A (ko)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201261588604P 2012-01-19 2012-01-19
US201261588626P 2012-01-19 2012-01-19
US61/588,626 2012-01-19
US61/588,604 2012-01-19
US13/744,087 US9654772B2 (en) 2012-01-19 2013-01-17 Context adaptive entropy coding with a reduced initialization value set
US13/744,087 2013-01-17
PCT/US2013/022138 WO2013109885A1 (en) 2012-01-19 2013-01-18 Context adaptive entropy coding with a reduced initialization value set

Publications (1)

Publication Number Publication Date
KR20140120337A true KR20140120337A (ko) 2014-10-13

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KR1020147022719A Withdrawn KR20140120337A (ko) 2012-01-19 2013-01-18 감소된 초기화 값 세트를 갖는 콘텍스트 적응 엔트로피 코딩

Country Status (6)

Country Link
US (1) US9654772B2 (enExample)
EP (1) EP2805420A1 (enExample)
JP (2) JP2015504292A (enExample)
KR (1) KR20140120337A (enExample)
CN (1) CN104067524B (enExample)
WO (1) WO2013109885A1 (enExample)

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US11647197B2 (en) 2011-06-30 2023-05-09 Velos Media, Llc Context initialization based on slice header flag and slice type
UA114674C2 (uk) 2011-07-15 2017-07-10 ДЖ.І. ВІДІЕУ КЕМПРЕШН, ЛЛСі Ініціалізація контексту в ентропійному кодуванні
US9854237B2 (en) * 2014-10-14 2017-12-26 Qualcomm Incorporated AMVP and merge candidate list derivation for intra BC and inter prediction unification
CN106201768B (zh) * 2015-04-29 2021-06-01 腾讯科技（深圳）有限公司 数据存储方法及装置
US10574993B2 (en) 2015-05-29 2020-02-25 Qualcomm Incorporated Coding data using an enhanced context-adaptive binary arithmetic coding (CABAC) design
US10032481B2 (en) * 2016-03-22 2018-07-24 Verizon Digital Media Services Inc. Speedy clipping
GB2553557B (en) * 2016-09-08 2022-04-20 V Nova Int Ltd Data processing apparatuses, methods, computer programs and computer-readable media
US10616582B2 (en) * 2016-09-30 2020-04-07 Qualcomm Incorporated Memory and bandwidth reduction of stored data in image/video coding
AU2018252853A1 (en) * 2017-04-13 2019-12-05 Lg Electronics Inc. Image encoding/decoding method and device therefor
US11039143B2 (en) * 2017-11-20 2021-06-15 Qualcomm Incorporated Memory reduction for context initialization with temporal prediction
CN111385570B (zh) * 2018-12-28 2021-11-02 杭州海康威视数字技术股份有限公司 编码方法、解码方法及装置
US11546402B2 (en) * 2019-01-04 2023-01-03 Tencent America LLC Flexible interoperability and capability signaling using initialization hierarchy
US11178399B2 (en) * 2019-03-12 2021-11-16 Qualcomm Incorporated Probability initialization for video coding
CN112135135A (zh) * 2019-06-24 2020-12-25 腾讯美国有限责任公司 视频解码方法、装置、计算机设备及存储介质
US11330298B2 (en) * 2019-06-25 2022-05-10 Qualcomm Incorporated Simplified intra chroma mode coding in video coding
GB2596100A (en) * 2020-06-17 2021-12-22 Sony Group Corp Data encoding and decoding
GB2599447A (en) * 2020-10-05 2022-04-06 Sony Group Corp Data encoding and decoding
CN119769088A (zh) * 2022-08-25 2025-04-04 联发科技股份有限公司 熵编解码子图像的方法和装置

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US7099387B2 (en) 2002-03-22 2006-08-29 Realnetorks, Inc. Context-adaptive VLC video transform coefficients encoding/decoding methods and apparatuses
WO2003092169A1 (fr) 2002-04-26 2003-11-06 Ntt Docomo, Inc. Procedes, dispositifs et logiciels de codage et de decodage de signaux
US6894628B2 (en) * 2003-07-17 2005-05-17 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and methods for entropy-encoding or entropy-decoding using an initialization of context variables
US7929776B2 (en) 2005-03-10 2011-04-19 Qualcomm, Incorporated Method and apparatus for error recovery using intra-slice resynchronization points
JP4438663B2 (ja) 2005-03-28 2010-03-24 日本ビクター株式会社 算術符号化装置及び算術符号化方法
KR20070006445A (ko) * 2005-07-08 2007-01-11 삼성전자주식회사 하이브리드 엔트로피 부호화, 복호화 방법 및 장치
JP2007074337A (ja) 2005-09-07 2007-03-22 Matsushita Electric Ind Co Ltd 符号化装置及び符号化方法
US7777654B2 (en) 2007-10-16 2010-08-17 Industrial Technology Research Institute System and method for context-based adaptive binary arithematic encoding and decoding
US7932843B2 (en) * 2008-10-17 2011-04-26 Texas Instruments Incorporated Parallel CABAC decoding for video decompression
JP2010171655A (ja) 2009-01-21 2010-08-05 Canon Inc 算術符号化装置及び算術符号化方法
JP5676744B2 (ja) 2010-04-13 2015-02-25 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 エントロピー符号化
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Also Published As

Publication number Publication date
CN104067524B (zh) 2017-06-13
JP2015504292A (ja) 2015-02-05
US20130188700A1 (en) 2013-07-25
EP2805420A1 (en) 2014-11-26
JP2017225132A (ja) 2017-12-21
US9654772B2 (en) 2017-05-16
WO2013109885A1 (en) 2013-07-25
CN104067524A (zh) 2014-09-24

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PA0105 International application

Patent event date: 20140813

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid