HUE041771T2 - Kontextusállapot és valószínûség inicializálása kontextusadaptív entrópiakódoláshoz - Google Patents

Kontextusállapot és valószínûség inicializálása kontextusadaptív entrópiakódoláshoz

Info

Publication number
HUE041771T2
HUE041771T2 HUE12788010A HUE12788010A HUE041771T2 HU E041771 T2 HUE041771 T2 HU E041771T2 HU E12788010 A HUE12788010 A HU E12788010A HU E12788010 A HUE12788010 A HU E12788010A HU E041771 T2 HUE041771 T2 HU E041771T2
Authority
HU
Hungary
Prior art keywords
context
entropy coding
adaptive entropy
probability initialization
state
Prior art date
Application number
HUE12788010A
Other languages
English (en)
Inventor
Liwei Guo
Xianglin Wang
Marta Karczewicz
Rojals Joel Sole
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 HUE041771T2 publication Critical patent/HUE041771T2/hu

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
    • 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
    • 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
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
HUE12788010A 2011-11-03 2012-11-01 Kontextusállapot és valószínûség inicializálása kontextusadaptív entrópiakódoláshoz HUE041771T2 (hu)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201161555469P 2011-11-03 2011-11-03
US201161556808P 2011-11-07 2011-11-07
US201161557785P 2011-11-09 2011-11-09
US201161560107P 2011-11-15 2011-11-15
US13/665,467 US9484952B2 (en) 2011-11-03 2012-10-31 Context state and probability initialization for context adaptive entropy coding

Publications (1)

Publication Number Publication Date
HUE041771T2 true HUE041771T2 (hu) 2019-05-28

Family

ID=47192155

Family Applications (1)

Application Number Title Priority Date Filing Date
HUE12788010A HUE041771T2 (hu) 2011-11-03 2012-11-01 Kontextusállapot és valószínûség inicializálása kontextusadaptív entrópiakódoláshoz

Country Status (21)

Country Link
US (1) US9484952B2 (hu)
EP (1) EP2774272B1 (hu)
JP (1) JP5882489B2 (hu)
KR (1) KR101638712B1 (hu)
CN (1) CN103975532B (hu)
AU (1) AU2012332444B2 (hu)
BR (1) BR112014010052B1 (hu)
CA (1) CA2853808C (hu)
DK (1) DK2774272T3 (hu)
ES (1) ES2705746T3 (hu)
HU (1) HUE041771T2 (hu)
IL (1) IL232156A (hu)
MY (1) MY185506A (hu)
PH (1) PH12014500984A1 (hu)
PL (1) PL2774272T3 (hu)
PT (1) PT2774272T (hu)
RU (1) RU2576587C2 (hu)
SG (1) SG11201401486SA (hu)
SI (1) SI2774272T1 (hu)
TW (1) TWI527464B (hu)
WO (1) WO2013067186A1 (hu)

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WO2014000160A1 (en) * 2012-06-26 2014-01-03 Intel Corporation Inter-layer coding unit quadtree pattern prediction
US9992490B2 (en) * 2012-09-26 2018-06-05 Sony Corporation Video parameter set (VPS) syntax re-ordering for easy access of extension parameters
KR101391693B1 (ko) 2012-11-14 2014-05-07 주식회사 엘지화학 3원계 탄성 공중합체 및 이의 제조 방법
US20150016509A1 (en) * 2013-07-09 2015-01-15 Magnum Semiconductor, Inc. Apparatuses and methods for adjusting a quantization parameter to improve subjective quality
WO2015054813A1 (en) 2013-10-14 2015-04-23 Microsoft Technology Licensing, Llc Encoder-side options for intra block copy prediction mode for video and image coding
WO2015054811A1 (en) 2013-10-14 2015-04-23 Microsoft Corporation Features of intra block copy prediction mode for video and image coding and decoding
JP6336058B2 (ja) 2013-10-14 2018-06-06 マイクロソフト テクノロジー ライセンシング,エルエルシー ビデオ及び画像符号化及び復号のためのベースカラーインデックスマップモードの機能
BR112016015080A2 (pt) 2014-01-03 2017-08-08 Microsoft Technology Licensing Llc Predição de vetor de bloco em codificação / decodificação de vídeo e imagem
US10390034B2 (en) 2014-01-03 2019-08-20 Microsoft Technology Licensing, Llc Innovations in block vector prediction and estimation of reconstructed sample values within an overlap area
US11284103B2 (en) 2014-01-17 2022-03-22 Microsoft Technology Licensing, Llc Intra block copy prediction with asymmetric partitions and encoder-side search patterns, search ranges and approaches to partitioning
US10542274B2 (en) 2014-02-21 2020-01-21 Microsoft Technology Licensing, Llc Dictionary encoding and decoding of screen content
US10848786B2 (en) * 2014-05-28 2020-11-24 Arris Enterprises Llc Acceleration of context adaptive binary arithmetic coding (CABAC) in video CODECS
EP3158734A1 (en) 2014-06-19 2017-04-26 Microsoft Technology Licensing, LLC Unified intra block copy and inter prediction modes
EP3917146A1 (en) 2014-09-30 2021-12-01 Microsoft Technology Licensing, LLC Rules for intra-picture prediction modes when wavefront parallel processing is enabled
US10841586B2 (en) * 2014-11-20 2020-11-17 LogMeln, Inc. Processing partially masked video content
JP2016218721A (ja) 2015-05-20 2016-12-22 ソニー株式会社 メモリ制御回路およびメモリ制御方法
US10368072B2 (en) * 2015-05-29 2019-07-30 Qualcomm Incorporated Advanced arithmetic coder
US10659783B2 (en) 2015-06-09 2020-05-19 Microsoft Technology Licensing, Llc Robust encoding/decoding of escape-coded pixels in palette mode
CN106303550B (zh) * 2015-06-11 2019-06-21 华为技术有限公司 去块效应滤波方法和去块效应滤波器
US10616582B2 (en) * 2016-09-30 2020-04-07 Qualcomm Incorporated Memory and bandwidth reduction of stored data in image/video coding
US10757412B2 (en) * 2017-01-03 2020-08-25 Avago Technologies International Sales Pte. Limited Architecture flexible binary arithmetic coding system
CN107580224B (zh) * 2017-08-08 2019-11-22 西安理工大学 一种面向hevc熵编码的自适应扫描方法
US11039143B2 (en) * 2017-11-20 2021-06-15 Qualcomm Incorporated Memory reduction for context initialization with temporal prediction
US10986349B2 (en) 2017-12-29 2021-04-20 Microsoft Technology Licensing, Llc Constraints on locations of reference blocks for intra block copy prediction
US10986354B2 (en) * 2018-04-16 2021-04-20 Panasonic Intellectual Property Corporation Of America Encoder, decoder, encoding method, and decoding method
US11178399B2 (en) * 2019-03-12 2021-11-16 Qualcomm Incorporated Probability initialization for video coding
US11425414B2 (en) * 2019-08-05 2022-08-23 Tencent America LLC Method and apparatus for video coding

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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
RU2336661C2 (ru) 2005-04-19 2008-10-20 Самсунг Электроникс Ко., Лтд. Способ и устройство адаптивного выбора контекстной модели для кодирования по энтропии
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WO2009009857A1 (en) 2007-07-19 2009-01-22 Slipstream Data Inc. Method and system for reducing contexts for context based compression systems
US7535387B1 (en) 2007-09-10 2009-05-19 Xilinx, Inc. Methods and systems for implementing context adaptive binary arithmetic coding
US7557740B1 (en) 2008-04-18 2009-07-07 Realtek Semiconductor Corp. Context-based adaptive binary arithmetic coding (CABAC) decoding apparatus and decoding method thereof
CN102187583B (zh) * 2008-08-19 2013-09-11 汤姆森特许公司 基于上下文的自适应二进制算术编码(cabac)的视频流兼容性
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Also Published As

Publication number Publication date
SG11201401486SA (en) 2014-09-26
US20130114675A1 (en) 2013-05-09
TWI527464B (zh) 2016-03-21
RU2014122321A (ru) 2015-12-10
PH12014500984B1 (en) 2014-10-20
BR112014010052A2 (pt) 2017-06-13
PT2774272T (pt) 2019-01-24
EP2774272B1 (en) 2018-10-17
EP2774272A1 (en) 2014-09-10
PL2774272T3 (pl) 2019-05-31
BR112014010052B1 (pt) 2021-07-20
ES2705746T3 (es) 2019-03-26
AU2012332444A1 (en) 2014-05-22
AU2012332444B2 (en) 2015-08-13
JP2014535222A (ja) 2014-12-25
RU2576587C2 (ru) 2016-03-10
KR101638712B1 (ko) 2016-07-11
CN103975532B (zh) 2017-08-25
BR112014010052A8 (pt) 2017-06-20
CA2853808A1 (en) 2013-05-10
JP5882489B2 (ja) 2016-03-09
CN103975532A (zh) 2014-08-06
TW201338548A (zh) 2013-09-16
PH12014500984A1 (en) 2014-10-20
IL232156A0 (en) 2014-05-28
SI2774272T1 (sl) 2019-02-28
CA2853808C (en) 2017-06-13
MY185506A (en) 2021-05-19
DK2774272T3 (en) 2019-01-28
IL232156A (en) 2017-09-28
US9484952B2 (en) 2016-11-01
WO2013067186A1 (en) 2013-05-10
KR20140093698A (ko) 2014-07-28

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