WO2017164645A3 - 비디오 신호 부호화/복호화 방법 및 장치 - Google Patents

비디오 신호 부호화/복호화 방법 및 장치 Download PDF

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Publication number
WO2017164645A3
WO2017164645A3 PCT/KR2017/003082 KR2017003082W WO2017164645A3 WO 2017164645 A3 WO2017164645 A3 WO 2017164645A3 KR 2017003082 W KR2017003082 W KR 2017003082W WO 2017164645 A3 WO2017164645 A3 WO 2017164645A3
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WIPO (PCT)
Prior art keywords
encoding
motion vector
video signal
decoding video
motion
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PCT/KR2017/003082
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English (en)
French (fr)
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WO2017164645A2 (ko
Inventor
안용조
심동규
류호찬
박시내
오병태
송병철
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인텔렉추얼디스커버리 주식회사
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Priority claimed from KR1020160035090A external-priority patent/KR20170113724A/ko
Priority claimed from KR1020160035674A external-priority patent/KR20170111013A/ko
Priority claimed from KR1020160049485A external-priority patent/KR20170121383A/ko
Priority claimed from KR1020160054607A external-priority patent/KR20170125153A/ko
Priority claimed from KR1020160055370A external-priority patent/KR20170125538A/ko
Priority to EP17770615.7A priority Critical patent/EP3435673A4/en
Priority to US16/087,787 priority patent/US10778987B2/en
Application filed by 인텔렉추얼디스커버리 주식회사 filed Critical 인텔렉추얼디스커버리 주식회사
Priority to CN201780029821.XA priority patent/CN109155847A/zh
Priority to EP22177043.1A priority patent/EP4072141A1/en
Priority to CN202210296042.9A priority patent/CN114615493A/zh
Publication of WO2017164645A2 publication Critical patent/WO2017164645A2/ko
Publication of WO2017164645A3 publication Critical patent/WO2017164645A3/ko
Priority to US16/993,628 priority patent/US11388420B2/en
Priority to US17/836,347 priority patent/US11770539B2/en
Priority to US17/836,236 priority patent/US11973960B2/en
Priority to US18/350,040 priority patent/US20230353757A1/en

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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
    • H04N19/134—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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
    • 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
    • H04N19/129—Scanning of coding units, e.g. zig-zag scan of transform coefficients or flexible macroblock ordering [FMO]
    • 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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/10—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
    • H04N19/18—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 a set of transform coefficients
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/513—Processing of motion vectors
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/577—Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • 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
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques
    • 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
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • 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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  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

본 발명에 따른 영상 부호화/복호화 장치는, 모션 벡터 보정 관련 정보를 획득하고, 현재 블록의 모션 벡터를 기반으로 모션 보상을 수행하며, 모션 벡터 보정 관련 정보 또는 모션 보상 수행 결과 중 적어도 하나를 이용하여 상기 현재 블록의 모션 벡터를 보정하고, 보정된 모션 벡터를 이용하여 모션 보상을 재수행할 수 있다.
PCT/KR2017/003082 2016-03-24 2017-03-22 비디오 신호 부호화/복호화 방법 및 장치 WO2017164645A2 (ko)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CN202210296042.9A CN114615493A (zh) 2016-03-24 2017-03-22 视频解码方法、视频编码方法和可读记录介质
EP22177043.1A EP4072141A1 (en) 2016-03-24 2017-03-22 Method and apparatus for encoding/decoding video signal
CN201780029821.XA CN109155847A (zh) 2016-03-24 2017-03-22 用于编码/解码视频信号的方法和装置
EP17770615.7A EP3435673A4 (en) 2016-03-24 2017-03-22 VIDEO SIGNAL ENCODING / DECODING METHOD AND APPARATUS
US16/087,787 US10778987B2 (en) 2016-03-24 2017-03-22 Method and apparatus for encoding/decoding video signal
US16/993,628 US11388420B2 (en) 2016-03-24 2020-08-14 Method and apparatus for encoding/decoding video signal
US17/836,347 US11770539B2 (en) 2016-03-24 2022-06-09 Method and apparatus for encoding/decoding video signal
US17/836,236 US11973960B2 (en) 2016-03-24 2022-06-09 Method and apparatus for encoding/decoding video signal
US18/350,040 US20230353757A1 (en) 2016-03-24 2023-07-11 Method and apparatus for encoding/decoding video signal

Applications Claiming Priority (10)

Application Number Priority Date Filing Date Title
KR1020160035090A KR20170113724A (ko) 2016-03-24 2016-03-24 컨텍스트 모델의 적응적 초기화를 사용하는 cabac 부호화 방법 및 장치, 그리고 cabac 복호화 방법 및 장치
KR10-2016-0035090 2016-03-24
KR10-2016-0035674 2016-03-25
KR1020160035674A KR20170111013A (ko) 2016-03-25 2016-03-25 직사각형 변환 블록을 위한 선택적 스캔 방식을 이용한 동영상 부호화 및 복호화 방법 및 장치
KR10-2016-0049485 2016-04-22
KR1020160049485A KR20170121383A (ko) 2016-04-22 2016-04-22 움직임 백터 보정을 통한 비디오 복호화 방법 및 장치
KR10-2016-0054607 2016-05-03
KR1020160054607A KR20170125153A (ko) 2016-05-03 2016-05-03 가상 블록의 인-루프 필터 방법 및 장치
KR10-2016-0055370 2016-05-04
KR1020160055370A KR20170125538A (ko) 2016-05-04 2016-05-04 비디오 압축의 인트라 모드 예측 구조 개선

Related Child Applications (2)

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US16/087,787 A-371-Of-International US10778987B2 (en) 2016-03-24 2017-03-22 Method and apparatus for encoding/decoding video signal
US16/993,628 Continuation US11388420B2 (en) 2016-03-24 2020-08-14 Method and apparatus for encoding/decoding video signal

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WO2017164645A2 WO2017164645A2 (ko) 2017-09-28
WO2017164645A3 true WO2017164645A3 (ko) 2017-11-16

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US (5) US10778987B2 (ko)
EP (2) EP4072141A1 (ko)
CN (2) CN114615493A (ko)
WO (1) WO2017164645A2 (ko)

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