WO2017188782A3 - 영상 신호 부호화/복호화 방법 및 장치 - Google Patents

영상 신호 부호화/복호화 방법 및 장치 Download PDF

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Publication number
WO2017188782A3
WO2017188782A3 PCT/KR2017/004574 KR2017004574W WO2017188782A3 WO 2017188782 A3 WO2017188782 A3 WO 2017188782A3 KR 2017004574 W KR2017004574 W KR 2017004574W WO 2017188782 A3 WO2017188782 A3 WO 2017188782A3
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Prior art keywords
image signal
prediction parameter
current block
image
encoding
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PCT/KR2017/004574
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English (en)
French (fr)
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WO2017188782A2 (ko
Inventor
문주희
임성원
원동재
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세종대학교 산학협력단
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Priority claimed from KR1020170050051A external-priority patent/KR102425722B1/ko
Priority claimed from KR1020170050052A external-priority patent/KR102431287B1/ko
Priority to CN202311249856.8A priority Critical patent/CN117061747A/zh
Priority to CN202311243734.8A priority patent/CN117041547A/zh
Priority to US16/097,419 priority patent/US10939125B2/en
Priority to CN202311243308.4A priority patent/CN117041545A/zh
Priority to CN202311238680.6A priority patent/CN117041541A/zh
Priority to CN202311249172.8A priority patent/CN117061745A/zh
Priority to CN202311248511.0A priority patent/CN117082237A/zh
Priority to CN201780041348.7A priority patent/CN109479142B/zh
Priority to CN202311238848.3A priority patent/CN117041542A/zh
Priority to CN202311244558.XA priority patent/CN117061743A/zh
Priority to CN202311244914.8A priority patent/CN117041551A/zh
Priority to CN202311243786.5A priority patent/CN117041548A/zh
Priority to CN202311243952.1A priority patent/CN117041549A/zh
Priority to CN202311243598.2A priority patent/CN117041546A/zh
Application filed by 세종대학교 산학협력단 filed Critical 세종대학교 산학협력단
Priority to CN202311247367.9A priority patent/CN117082236A/zh
Priority to CN202311246689.1A priority patent/CN117061744A/zh
Priority to CN202311240764.3A priority patent/CN117041543A/zh
Priority to CN202311249885.4A priority patent/CN117119183A/zh
Priority to CN202311244285.9A priority patent/CN117041550A/zh
Priority to CN202311243221.7A priority patent/CN117041544A/zh
Priority to CN202311249253.8A priority patent/CN117061746A/zh
Publication of WO2017188782A2 publication Critical patent/WO2017188782A2/ko
Publication of WO2017188782A3 publication Critical patent/WO2017188782A3/ko
Priority to US17/159,240 priority patent/US11363280B2/en
Priority to US17/743,590 priority patent/US11750823B2/en
Priority to US17/883,881 priority patent/US11909990B2/en
Priority to US17/981,715 priority patent/US11876983B2/en
Priority to US18/367,121 priority patent/US20230421782A1/en
Priority to US18/244,960 priority patent/US11856208B1/en
Priority to US18/367,137 priority patent/US20240007654A1/en
Priority to US18/244,989 priority patent/US12028532B2/en
Priority to US18/395,941 priority patent/US20240129495A1/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
    • H04N19/169—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
    • H04N19/50—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
    • 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
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/107—Selection of coding mode or of prediction mode between spatial and temporal predictive coding, e.g. picture refresh
    • 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
    • H04N19/109—Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • 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
    • H04N19/11—Selection of coding mode or of prediction mode among a plurality of spatial predictive coding modes
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • 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
    • H04N19/167—Position within a video image, e.g. region of interest [ROI]
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/196—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding being specially adapted for the computation of encoding parameters, e.g. by averaging previously computed encoding parameters
    • 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
    • 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
    • H04N19/90—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)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

본 발명에 따른 영상 신호 복호화 방법은, 현재 블록을 포함하는 현재 영상과, 상기 현재 영상의 참조 영상 사이 밝기 변화가 존재하는지 여부를 판단하는 단계, 상기 현재 영상과 상기 참조 영상 사이 밝기 변화가 존재하는 것으로 판단되면, 현재 블록에 대한 가중치 예측 파라미터 후보를 결정하는 단계, 상기 가중치 예측 파라미터 후보 중 어느 하나를 특정하는 인덱스 정보에 기초하여, 상기 현재 블록에 대한 가중치 예측 파라미터를 결정하는 단계, 및 상기 가중치 예측 파라미터를 기초로, 상기 현재 블록에 대한 예측을 수행하는 단계를 포함할 수 있다.
PCT/KR2017/004574 2016-04-29 2017-04-28 영상 신호 부호화/복호화 방법 및 장치 WO2017188782A2 (ko)

Priority Applications (30)

Application Number Priority Date Filing Date Title
CN202311243221.7A CN117041544A (zh) 2016-04-29 2017-04-28 用于对图像信号进行编码/解码的方法和设备
CN202311249253.8A CN117061746A (zh) 2016-04-29 2017-04-28 用于对图像信号进行编码/解码的方法和设备
CN202311240764.3A CN117041543A (zh) 2016-04-29 2017-04-28 用于对图像信号进行编码/解码的方法和设备
US16/097,419 US10939125B2 (en) 2016-04-29 2017-04-28 Method and apparatus for encoding/decoding image signal
CN202311246689.1A CN117061744A (zh) 2016-04-29 2017-04-28 用于对图像信号进行编码/解码的方法和设备
CN202311238680.6A CN117041541A (zh) 2016-04-29 2017-04-28 用于对图像信号进行编码/解码的方法和设备
CN202311249172.8A CN117061745A (zh) 2016-04-29 2017-04-28 用于对图像信号进行编码/解码的方法和设备
CN202311248511.0A CN117082237A (zh) 2016-04-29 2017-04-28 用于对图像信号进行编码/解码的方法和设备
CN202311243734.8A CN117041547A (zh) 2016-04-29 2017-04-28 用于对图像信号进行编码/解码的方法和设备
CN202311238848.3A CN117041542A (zh) 2016-04-29 2017-04-28 用于对图像信号进行编码/解码的方法和设备
CN202311244558.XA CN117061743A (zh) 2016-04-29 2017-04-28 用于对图像信号进行编码/解码的方法和设备
CN202311244914.8A CN117041551A (zh) 2016-04-29 2017-04-28 用于对图像信号进行编码/解码的方法和设备
CN202311243786.5A CN117041548A (zh) 2016-04-29 2017-04-28 用于对图像信号进行编码/解码的方法和设备
CN202311243952.1A CN117041549A (zh) 2016-04-29 2017-04-28 用于对图像信号进行编码/解码的方法和设备
CN202311249885.4A CN117119183A (zh) 2016-04-29 2017-04-28 用于对图像信号进行编码/解码的方法和设备
CN202311249856.8A CN117061747A (zh) 2016-04-29 2017-04-28 用于对图像信号进行编码/解码的方法和设备
CN202311247367.9A CN117082236A (zh) 2016-04-29 2017-04-28 用于对图像信号进行编码/解码的方法和设备
CN202311243308.4A CN117041545A (zh) 2016-04-29 2017-04-28 用于对图像信号进行编码/解码的方法和设备
CN201780041348.7A CN109479142B (zh) 2016-04-29 2017-04-28 用于对图像信号进行编码/解码的方法和设备
CN202311243598.2A CN117041546A (zh) 2016-04-29 2017-04-28 用于对图像信号进行编码/解码的方法和设备
CN202311244285.9A CN117041550A (zh) 2016-04-29 2017-04-28 用于对图像信号进行编码/解码的方法和设备
US17/159,240 US11363280B2 (en) 2016-04-29 2021-01-27 Method and apparatus for encoding/decoding image signal
US17/743,590 US11750823B2 (en) 2016-04-29 2022-05-13 Method and apparatus for encoding/decoding image signal
US17/883,881 US11909990B2 (en) 2016-04-29 2022-08-09 Method and apparatus for encoding/decoding image signals using weight prediction parameter sets based on neighboring regions
US17/981,715 US11876983B2 (en) 2016-04-29 2022-11-07 Method and apparatus for encoding/decoding image signals using weight prediction parameter sets based on size of current block
US18/367,121 US20230421782A1 (en) 2016-04-29 2023-09-12 Method and apparatus for encoding/decoding image signal
US18/244,960 US11856208B1 (en) 2016-04-29 2023-09-12 Method and apparatus for encoding/decoding image signal
US18/367,137 US20240007654A1 (en) 2016-04-29 2023-09-12 Method and apparatus for encoding/decoding image signal
US18/244,989 US12028532B2 (en) 2016-04-29 2023-09-12 Method and apparatus for encoding/decoding image signals using weight prediction parameters
US18/395,941 US20240129495A1 (en) 2016-04-29 2023-12-26 Method and apparatus for encoding/decoding image signal

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
KR20160052699 2016-04-29
KR10-2016-0052699 2016-04-29
KR10-2016-0052702 2016-04-29
KR20160052702 2016-04-29
KR1020170050051A KR102425722B1 (ko) 2016-04-29 2017-04-18 영상 신호 부호화/복호화 방법 및 장치
KR1020170050052A KR102431287B1 (ko) 2016-04-29 2017-04-18 영상 신호 부호화/복호화 방법 및 장치
KR10-2017-0050051 2017-04-18
KR10-2017-0050052 2017-04-18

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US16/097,419 A-371-Of-International US10939125B2 (en) 2016-04-29 2017-04-28 Method and apparatus for encoding/decoding image signal
US17/159,240 Continuation US11363280B2 (en) 2016-04-29 2021-01-27 Method and apparatus for encoding/decoding image signal

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WO2017188782A2 WO2017188782A2 (ko) 2017-11-02
WO2017188782A3 true WO2017188782A3 (ko) 2018-08-02

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US (7) US11750823B2 (ko)
CN (19) CN117041546A (ko)
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CN117041546A (zh) 2016-04-29 2023-11-10 世宗大学校产学协力团 用于对图像信号进行编码/解码的方法和设备
CN110636296B (zh) * 2018-06-22 2022-05-27 腾讯美国有限责任公司 视频解码方法、装置、计算机设备以及存储介质
CN110225346A (zh) * 2018-12-28 2019-09-10 杭州海康威视数字技术股份有限公司 一种编解码方法及其设备

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