IN2014CN03431A - - Google Patents

Info

Publication number
IN2014CN03431A
IN2014CN03431A IN3431CHN2014A IN2014CN03431A IN 2014CN03431 A IN2014CN03431 A IN 2014CN03431A IN 3431CHN2014 A IN3431CHN2014 A IN 3431CHN2014A IN 2014CN03431 A IN2014CN03431 A IN 2014CN03431A
Authority
IN
India
Prior art keywords
binary
context
index
string
last
Prior art date
Application number
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 IN2014CN03431A publication Critical patent/IN2014CN03431A/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)
IN3431CHN2014 2011-11-08 2012-11-06 IN2014CN03431A (zh)

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 (en) 2011-11-08 2012-11-06 Context optimization for last significant coefficient position coding

Publications (1)

Publication Number Publication Date
IN2014CN03431A true IN2014CN03431A (zh) 2015-09-04

Family

ID=48223671

Family Applications (1)

Application Number Title Priority Date Filing Date
IN3431CHN2014 IN2014CN03431A (zh) 2011-11-08 2012-11-06

Country Status (15)

Country Link
US (1) US9357185B2 (zh)
EP (3) EP3637768B1 (zh)
JP (1) JP5955974B2 (zh)
KR (1) KR101677356B1 (zh)
CN (1) CN104025457B (zh)
AU (1) AU2012336023B2 (zh)
BR (2) BR122020003135B1 (zh)
CA (1) CA2854816C (zh)
ES (1) ES2700523T3 (zh)
IL (1) IL232331A (zh)
IN (1) IN2014CN03431A (zh)
MY (1) MY168322A (zh)
RU (1) RU2586002C2 (zh)
SG (1) SG11201401614TA (zh)
WO (1) WO2013070610A1 (zh)

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US9357185B2 (en) * 2011-11-08 2016-05-31 Qualcomm Incorporated Context optimization for last significant coefficient position coding
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US9154792B2 (en) 2011-11-08 2015-10-06 Qualcomm Incorporated Progressive coding of position of last significant coefficient
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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
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US10616581B2 (en) 2012-01-19 2020-04-07 Huawei Technologies Co., Ltd. Modified 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
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US11323733B2 (en) 2014-05-23 2022-05-03 Qualcomm Incorporated Predictor palette initialization in palette-based video coding
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
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US10477218B2 (en) 2014-10-20 2019-11-12 Kt Corporation Method and apparatus for predicting and restoring a video signal using palette entry
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WO2016159610A1 (ko) 2015-04-02 2016-10-06 주식회사 케이티 비디오 신호 처리 방법 및 장치
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
KR102527184B1 (ko) * 2018-03-29 2023-05-03 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
EP3818705A1 (en) * 2018-07-02 2021-05-12 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
CA3113988A1 (en) * 2018-09-23 2020-03-26 Lg Electronics Inc. Method for encoding/decoding video signals and apparatus therefor
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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
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US9154792B2 (en) 2011-11-08 2015-10-06 Qualcomm Incorporated Progressive coding of position of last significant coefficient
US9357185B2 (en) * 2011-11-08 2016-05-31 Qualcomm Incorporated Context optimization for last significant coefficient position coding

Also Published As

Publication number Publication date
EP3637768B1 (en) 2021-04-21
JP2015502080A (ja) 2015-01-19
EP3439305A1 (en) 2019-02-06
RU2014123383A (ru) 2015-12-20
IL232331A (en) 2017-05-29
BR112014011062B1 (pt) 2021-06-29
AU2012336023B2 (en) 2016-01-07
BR112014011062A8 (pt) 2017-06-20
CN104025457A (zh) 2014-09-03
US9357185B2 (en) 2016-05-31
AU2012336023A1 (en) 2014-05-22
CA2854816C (en) 2017-06-06
BR122020003135B1 (pt) 2021-07-06
KR101677356B1 (ko) 2016-11-17
BR112014011062A2 (pt) 2017-06-13
RU2586002C2 (ru) 2016-06-10
SG11201401614TA (en) 2014-07-30
JP5955974B2 (ja) 2016-07-20
CN104025457B (zh) 2017-06-30
ES2700523T3 (es) 2019-02-18
EP3637768A1 (en) 2020-04-15
EP2777163A1 (en) 2014-09-17
MY168322A (en) 2018-10-30
EP2777163B1 (en) 2018-10-10
WO2013070610A1 (en) 2013-05-16
EP3439305B1 (en) 2020-03-11
KR20140098120A (ko) 2014-08-07
US20130114676A1 (en) 2013-05-09
IL232331A0 (en) 2014-06-30
CA2854816A1 (en) 2013-05-16

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