WO2017086765A3 - 비디오 신호를 엔트로피 인코딩, 디코딩하는 방법 및 장치 - Google Patents

비디오 신호를 엔트로피 인코딩, 디코딩하는 방법 및 장치 Download PDF

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Publication number
WO2017086765A3
WO2017086765A3 PCT/KR2016/013458 KR2016013458W WO2017086765A3 WO 2017086765 A3 WO2017086765 A3 WO 2017086765A3 KR 2016013458 W KR2016013458 W KR 2016013458W WO 2017086765 A3 WO2017086765 A3 WO 2017086765A3
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video signal
entropy encoding
decoding video
context model
initial value
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PCT/KR2016/013458
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English (en)
French (fr)
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WO2017086765A2 (ko
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남정학
허진
박승욱
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엘지전자(주)
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Priority to CN201680075101.2A priority Critical patent/CN108432248A/zh
Priority to US15/777,847 priority patent/US10609374B2/en
Priority to EP16866717.8A priority patent/EP3379832A4/en
Priority to KR1020187014908A priority patent/KR20180074773A/ko
Publication of WO2017086765A2 publication Critical patent/WO2017086765A2/ko
Publication of WO2017086765A3 publication Critical patent/WO2017086765A3/ko

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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
    • H04N19/10—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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/149—Data rate or code amount at the encoder output by estimating the code amount by means of a model, e.g. mathematical model or statistical model
    • 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
    • H04N19/169—Methods 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
    • H04N19/17—Methods 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
    • H04N19/174—Methods 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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/169—Methods 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
    • H04N19/17—Methods 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
    • H04N19/176—Methods 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
    • 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
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • 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)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

본 발명은, 비디오 신호에 대해 엔트로피 디코딩을 수행하는 방법에 있어서, 현재 슬라이스에 대한 컨텍스트 모델 초기값을 획득하는 단계; 이전 슬라이스의 신택스 통계에 기초한 확률 값을 산출하는 단계; 상기 현재 슬라이스에 대한 컨텍스트 모델 초기값과 상기 이전 슬라이스의 신택스 통계에 기초한 확률 값에 대한 가중치 값들을 유도하는 단계; 및 상기 가중치 값들을 이용하여, 상기 현재 슬라이스에 대한 컨텍스트 모델 초기값을 업데이트하는 단계를 포함하는 것을 특징으로 하는 방법을 제공한다.
PCT/KR2016/013458 2015-11-22 2016-11-22 비디오 신호를 엔트로피 인코딩, 디코딩하는 방법 및 장치 WO2017086765A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201680075101.2A CN108432248A (zh) 2015-11-22 2016-11-22 用于对视频信号进行熵编码和解码的方法和设备
US15/777,847 US10609374B2 (en) 2015-11-22 2016-11-22 Method and apparatus for entropy-encoding and entropy-decoding video signal
EP16866717.8A EP3379832A4 (en) 2015-11-22 2016-11-22 METHOD AND DEVICE FOR ENTROPY DECODING AND DECODING A VIDEO SIGNAL
KR1020187014908A KR20180074773A (ko) 2015-11-22 2016-11-22 비디오 신호를 엔트로피 인코딩, 디코딩하는 방법 및 장치

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201562258515P 2015-11-22 2015-11-22
US201562258517P 2015-11-22 2015-11-22
US62/258,515 2015-11-22
US62/258,517 2015-11-22

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WO2017086765A2 WO2017086765A2 (ko) 2017-05-26
WO2017086765A3 true WO2017086765A3 (ko) 2017-07-27

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US (1) US10609374B2 (ko)
EP (1) EP3379832A4 (ko)
KR (1) KR20180074773A (ko)
CN (1) CN108432248A (ko)
WO (1) WO2017086765A2 (ko)

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KR20230141952A (ko) * 2018-03-29 2023-10-10 닛폰 호소 교카이 화상 부호화 장치, 화상 복호 장치 및 프로그램
CN112806017B (zh) * 2018-10-05 2024-03-15 Tcl王牌电器(惠州)有限公司 用于编码变换系数的方法和设备
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KR20240018691A (ko) 2019-01-14 2024-02-13 로즈데일 다이나믹스 엘엘씨 영상 코딩 시스템에서 레지듀얼 정보를 사용하는 영상 디코딩 방법 및 그 장치
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WO2020189978A1 (ko) * 2019-03-15 2020-09-24 삼성전자 주식회사 비디오 복호화 방법 및 장치, 비디오 부호화 방법 및 장치
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Also Published As

Publication number Publication date
EP3379832A2 (en) 2018-09-26
CN108432248A (zh) 2018-08-21
US10609374B2 (en) 2020-03-31
WO2017086765A2 (ko) 2017-05-26
EP3379832A4 (en) 2019-04-17
KR20180074773A (ko) 2018-07-03
US20180338144A1 (en) 2018-11-22

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