SG11201401614TA - Context optimization for last significant coefficient position coding - Google Patents

Context optimization for last significant coefficient position coding

Info

Publication number
SG11201401614TA
SG11201401614TA SG11201401614TA SG11201401614TA SG11201401614TA SG 11201401614T A SG11201401614T A SG 11201401614TA SG 11201401614T A SG11201401614T A SG 11201401614TA SG 11201401614T A SG11201401614T A SG 11201401614TA SG 11201401614T A SG11201401614T A SG 11201401614TA
Authority
SG
Singapore
Prior art keywords
significant coefficient
last significant
coefficient position
position coding
context optimization
Prior art date
Application number
SG11201401614TA
Other languages
English (en)
Inventor
Liwei Guo
Wei-Jung Chien
Marta Karczewicz
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
Publication of SG11201401614TA publication Critical patent/SG11201401614TA/en

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006Conversion to or from arithmetic code
    • H03M7/4012Binary arithmetic codes
    • H03M7/4018Context adapative binary arithmetic codes [CABAC]
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00Conversion 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
    • H03M7/30Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4031Fixed length to variable length coding
    • H03M7/4037Prefix coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/13Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/18Methods 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)
SG11201401614TA 2011-11-08 2012-11-06 Context optimization for last significant coefficient position coding SG11201401614TA (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201161557317P 2011-11-08 2011-11-08
US201161561909P 2011-11-20 2011-11-20
US201261588579P 2012-01-19 2012-01-19
US201261596049P 2012-02-07 2012-02-07
US13/669,096 US9357185B2 (en) 2011-11-08 2012-11-05 Context optimization for last significant coefficient position coding
PCT/US2012/063717 WO2013070610A1 (fr) 2011-11-08 2012-11-06 Optimisation de contexte pour codage de position de dernier coefficient significatif

Publications (1)

Publication Number Publication Date
SG11201401614TA true SG11201401614TA (en) 2014-07-30

Family

ID=48223671

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201401614TA SG11201401614TA (en) 2011-11-08 2012-11-06 Context optimization for last significant coefficient position coding

Country Status (15)

Country Link
US (1) US9357185B2 (fr)
EP (3) EP2777163B1 (fr)
JP (1) JP5955974B2 (fr)
KR (1) KR101677356B1 (fr)
CN (1) CN104025457B (fr)
AU (1) AU2012336023B2 (fr)
BR (2) BR112014011062B1 (fr)
CA (1) CA2854816C (fr)
ES (1) ES2700523T3 (fr)
IL (1) IL232331A (fr)
IN (1) IN2014CN03431A (fr)
MY (1) MY168322A (fr)
RU (1) RU2586002C2 (fr)
SG (1) SG11201401614TA (fr)
WO (1) WO2013070610A1 (fr)

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US9154792B2 (en) 2011-11-08 2015-10-06 Qualcomm Incorporated Progressive coding of position of last significant coefficient
WO2013069991A1 (fr) * 2011-11-08 2013-05-16 삼성전자 주식회사 Procédé et dispositif de codage arithmétique de vidéo, et procédé et dispositif de décodage arithmétique de vidéo
US9357185B2 (en) * 2011-11-08 2016-05-31 Qualcomm Incorporated Context optimization for last significant coefficient position coding
WO2013082291A2 (fr) * 2011-11-29 2013-06-06 Huawei Technologies Co., Ltd. Structures de partitionnement unifiées et procédés de signalisation pour un codage vidéo de grande efficacité
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
US9654139B2 (en) 2012-01-19 2017-05-16 Huawei Technologies Co., Ltd. High throughput binarization (HTB) method 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
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US20130188736A1 (en) 2012-01-19 2013-07-25 Sharp Laboratories Of America, Inc. High throughput significance map processing for cabac in hevc
US9237344B2 (en) * 2012-03-22 2016-01-12 Qualcomm Incorporated Deriving context for last position coding for video coding
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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
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EP3270595A1 (fr) * 2016-07-15 2018-01-17 Thomson Licensing Procédé et appareil pour dernier codage de coefficients pour compression vidéo basée sur une transformation adaptative
EP3270594A1 (fr) * 2016-07-15 2018-01-17 Thomson Licensing Procédé et appareil d'adaptation de contexte cabac avancée pour le codage du dernier coefficient
KR20240023238A (ko) * 2018-03-29 2024-02-20 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 변환 계수 블록 코딩
EP3562156A1 (fr) * 2018-04-27 2019-10-30 InterDigital VC Holdings, Inc. Procédé et appareil de modélisation de contexte adaptative dans le codage et le décodage vidéo
US20210274182A1 (en) * 2018-07-02 2021-09-02 Interdigital Vc Holdings, Inc. Context-based binary arithmetic encoding and decoding
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WO2020130514A1 (fr) * 2018-12-17 2020-06-25 엘지전자 주식회사 Procédé et dispositif permettant de décider l'ordre de balayage de coefficient de transformée sur la base de la mise à zéro haute fréquence
US10798397B2 (en) * 2019-01-02 2020-10-06 Tencent America LLC Method and apparatus for video coding
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WO2013069991A1 (fr) 2011-11-08 2013-05-16 삼성전자 주식회사 Procédé et dispositif de codage arithmétique de vidéo, et procédé et dispositif de décodage arithmétique de vidéo
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
MY168322A (en) 2018-10-30
BR112014011062A8 (pt) 2017-06-20
US9357185B2 (en) 2016-05-31
KR20140098120A (ko) 2014-08-07
BR112014011062B1 (pt) 2021-06-29
IN2014CN03431A (fr) 2015-09-04
JP2015502080A (ja) 2015-01-19
CN104025457A (zh) 2014-09-03
EP2777163B1 (fr) 2018-10-10
CA2854816C (fr) 2017-06-06
JP5955974B2 (ja) 2016-07-20
CN104025457B (zh) 2017-06-30
RU2586002C2 (ru) 2016-06-10
EP3439305A1 (fr) 2019-02-06
AU2012336023A1 (en) 2014-05-22
EP3637768B1 (fr) 2021-04-21
CA2854816A1 (fr) 2013-05-16
KR101677356B1 (ko) 2016-11-17
ES2700523T3 (es) 2019-02-18
US20130114676A1 (en) 2013-05-09
EP3637768A1 (fr) 2020-04-15
BR112014011062A2 (pt) 2017-06-13
IL232331A0 (en) 2014-06-30
AU2012336023B2 (en) 2016-01-07
WO2013070610A1 (fr) 2013-05-16
EP2777163A1 (fr) 2014-09-17
EP3439305B1 (fr) 2020-03-11
RU2014123383A (ru) 2015-12-20
IL232331A (en) 2017-05-29
BR122020003135B1 (pt) 2021-07-06

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