WO2019059575A3 - 움직임 정보의 부호화 및 복호화 방법, 및 움직임 정보의 부호화 및 복호화 장치 - Google Patents

움직임 정보의 부호화 및 복호화 방법, 및 움직임 정보의 부호화 및 복호화 장치 Download PDF

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WO2019059575A3
WO2019059575A3 PCT/KR2018/010666 KR2018010666W WO2019059575A3 WO 2019059575 A3 WO2019059575 A3 WO 2019059575A3 KR 2018010666 W KR2018010666 W KR 2018010666W WO 2019059575 A3 WO2019059575 A3 WO 2019059575A3
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WIPO (PCT)
Prior art keywords
motion vector
current block
encoding
motion information
decoding motion
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PCT/KR2018/010666
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English (en)
French (fr)
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WO2019059575A2 (ko
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정승수
박민우
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삼성전자주식회사
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Application filed by 삼성전자주식회사 filed Critical 삼성전자주식회사
Priority to CN201880060929.XA priority Critical patent/CN111108750A/zh
Priority to KR1020227005126A priority patent/KR102471076B1/ko
Priority to KR1020237030664A priority patent/KR20230135157A/ko
Priority to EP18858355.3A priority patent/EP3657797A4/en
Priority to US16/647,376 priority patent/US11212547B2/en
Priority to KR1020227040354A priority patent/KR102578757B1/ko
Priority to KR1020207006643A priority patent/KR102366260B1/ko
Publication of WO2019059575A2 publication Critical patent/WO2019059575A2/ko
Publication of WO2019059575A3 publication Critical patent/WO2019059575A3/ko
Priority to US17/549,046 priority patent/US11716485B2/en
Priority to US18/336,672 priority patent/US20230336767A1/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
    • H04N19/50—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
    • H04N19/517—Processing of motion vectors by encoding
    • H04N19/52—Processing of motion vectors by encoding by predictive encoding
    • 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
    • H04N19/10—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
    • H04N19/13—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
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/137—Motion inside a coding unit, e.g. average field, frame or block difference
    • H04N19/139—Analysis of motion vectors, e.g. their magnitude, direction, variance or reliability
    • 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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • H04N19/577—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
    • H04N19/70—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

현재 블록의 예측 움직임 벡터를 결정하기 위한 변이 거리를 나타내는 정보를 획득하는 단계; 현재 블록의 움직임 벡터가 가리킬 수 있는 최소의 화소 단위와 기본 화소 단위의 비교 결과에 기초하여, 획득한 정보에 대응하는 변이 거리를 스케일링하는 단계; 적어도 하나의 예측 움직임 벡터 후보 중 현재 블록의 기본 움직임 벡터로부터 스케일링된 변이 거리만큼 변경된 예측 움직임 벡터 후보를 현재 블록의 예측 움직임 벡터로 결정하는 단계; 및 예측 움직임 벡터를 이용하여 현재 블록의 움직임 벡터를 결정하는 단계를 포함하는 것을 특징으로 하는 일 실시예에 따른 움직임 정보의 복호화 방법이 개시된다.
PCT/KR2018/010666 2017-09-19 2018-09-12 움직임 정보의 부호화 및 복호화 방법, 및 움직임 정보의 부호화 및 복호화 장치 WO2019059575A2 (ko)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CN201880060929.XA CN111108750A (zh) 2017-09-19 2018-09-12 用于对运动信息进行编码和解码的方法以及用于对运动信息进行编码和解码的设备
KR1020227005126A KR102471076B1 (ko) 2017-09-19 2018-09-12 움직임 정보의 부호화 및 복호화 방법, 및 움직임 정보의 부호화 및 복호화 장치
KR1020237030664A KR20230135157A (ko) 2017-09-19 2018-09-12 움직임 정보의 부호화 및 복호화 방법, 및 움직임 정보의 부호화 및 복호화 장치
EP18858355.3A EP3657797A4 (en) 2017-09-19 2018-09-12 METHOD FOR CODING AND DECODING MOVEMENT INFORMATION AND DEVICE FOR CODING AND DECODING MOVEMENT INFORMATION
US16/647,376 US11212547B2 (en) 2017-09-19 2018-09-12 Method for encoding and decoding motion information, and apparatus for encoding and decoding motion information
KR1020227040354A KR102578757B1 (ko) 2017-09-19 2018-09-12 움직임 정보의 부호화 및 복호화 방법, 및 움직임 정보의 부호화 및 복호화 장치
KR1020207006643A KR102366260B1 (ko) 2017-09-19 2018-09-12 움직임 정보의 부호화 및 복호화 방법, 및 움직임 정보의 부호화 및 복호화 장치
US17/549,046 US11716485B2 (en) 2017-09-19 2021-12-13 Method for encoding and decoding motion information, and apparatus for encoding and decoding motion information
US18/336,672 US20230336767A1 (en) 2017-09-19 2023-06-16 Method for encoding and decoding motion information, and apparatus for encoding and decoding motion information

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762560342P 2017-09-19 2017-09-19
US62/560,342 2017-09-19

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US16/647,376 A-371-Of-International US11212547B2 (en) 2017-09-19 2018-09-12 Method for encoding and decoding motion information, and apparatus for encoding and decoding motion information
US17/549,046 Continuation US11716485B2 (en) 2017-09-19 2021-12-13 Method for encoding and decoding motion information, and apparatus for encoding and decoding motion information

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WO2019059575A2 WO2019059575A2 (ko) 2019-03-28
WO2019059575A3 true WO2019059575A3 (ko) 2019-05-09

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US (3) US11212547B2 (ko)
EP (1) EP3657797A4 (ko)
KR (4) KR102471076B1 (ko)
CN (1) CN111108750A (ko)
WO (1) WO2019059575A2 (ko)

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WO2019059575A2 (ko) 2019-03-28
KR20220025269A (ko) 2022-03-03
KR102366260B1 (ko) 2022-02-23
US20220103856A1 (en) 2022-03-31
US20200275117A1 (en) 2020-08-27
US11212547B2 (en) 2021-12-28
US11716485B2 (en) 2023-08-01
EP3657797A4 (en) 2021-04-21
KR20230135157A (ko) 2023-09-22
KR20200038284A (ko) 2020-04-10
KR102471076B1 (ko) 2022-11-25
KR102578757B1 (ko) 2023-09-15
CN111108750A (zh) 2020-05-05
KR20220162805A (ko) 2022-12-08
EP3657797A2 (en) 2020-05-27
US20230336767A1 (en) 2023-10-19

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