CN104067524B - 具有精简的初始化值集合的上下文自适应熵译码 - Google Patents

具有精简的初始化值集合的上下文自适应熵译码 Download PDF

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CN104067524B
CN104067524B CN201380005756.9A CN201380005756A CN104067524B CN 104067524 B CN104067524 B CN 104067524B CN 201380005756 A CN201380005756 A CN 201380005756A CN 104067524 B CN104067524 B CN 104067524B
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initialization
video data
video
slice
context
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Chinese (zh)
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CN104067524A (zh
Inventor
郭立威
穆哈默德·蔡德·科班
翔林·王
马尔塔·卡切维奇
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Qualcomm Inc
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Qualcomm Inc
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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)
CN201380005756.9A 2012-01-19 2013-01-18 具有精简的初始化值集合的上下文自适应熵译码 Expired - Fee Related CN104067524B (zh)

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 (2)

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CN104067524A CN104067524A (zh) 2014-09-24
CN104067524B true CN104067524B (zh) 2017-06-13

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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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US11570447B2 (en) 2018-12-28 2023-01-31 Hangzhou Hikvision Digital Technology Co., Ltd. Video coding and video decoding

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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
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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CN101185336A (zh) * 2005-03-10 2008-05-21 高通股份有限公司 用于使用切片内再同步点的错误恢复的方法及设备
US20100098155A1 (en) * 2008-10-17 2010-04-22 Mehmet Umut Demircin Parallel CABAC Decoding Using Entropy Slices

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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
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
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CN101185336A (zh) * 2005-03-10 2008-05-21 高通股份有限公司 用于使用切片内再同步点的错误恢复的方法及设备
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Also Published As

Publication number Publication date
KR20140120337A (ko) 2014-10-13
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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