KR20180084659A - 영상의 부호화/복호화 방법 및 장치 - Google Patents

영상의 부호화/복호화 방법 및 장치 Download PDF

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KR20180084659A
KR20180084659A KR1020180005393A KR20180005393A KR20180084659A KR 20180084659 A KR20180084659 A KR 20180084659A KR 1020180005393 A KR1020180005393 A KR 1020180005393A KR 20180005393 A KR20180005393 A KR 20180005393A KR 20180084659 A KR20180084659 A KR 20180084659A
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South Korea
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image
decoding
prediction block
encoding
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KR1020180005393A
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문주희
임성원
원동재
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세종대학교산학협력단
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Publication of KR20180084659A publication Critical patent/KR20180084659A/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
    • H04N19/103—Selection of coding mode or of prediction mode
    • 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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/13—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
    • H04N19/169—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
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • 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

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

Abstract

본 발명은 영상의 부호화/복호화 방법 및 장치에 관한 것으로서, 본 발명의 일 실시예에 따른 영상의 복호화 방법은, 복호할 현재 블록을, 제1 영역과 제2 영역을 포함하는 복수의 영역들로 분할하는 단계, 상기 제1 영역의 예측 블록을 얻는 단계, 및 상기 제2 영역의 예측 블록을 얻는 단계를 포함할 수 있다. 상기 제1 영역의 예측 블록과 상기 제2 영역의 예측 블록은 서로 다른 화면 간 예측 방법에 따라 얻어질 수 있다.
KR1020180005393A 2017-01-16 2018-01-16 영상의 부호화/복호화 방법 및 장치 KR20180084659A (ko)

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KR20170007346 2017-01-16
KR1020170007346 2017-01-16

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KR20180084659A true KR20180084659A (ko) 2018-07-25

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020096428A1 (ko) * 2018-11-08 2020-05-14 주식회사 엑스리스 영상 신호 부호화/복호화 방법 및 이를 위한 장치
WO2020096388A1 (ko) * 2018-11-08 2020-05-14 주식회사 엑스리스 영상 신호 부호화/복호화 방법 및 이를 위한 장치
WO2021054805A1 (ko) * 2019-09-20 2021-03-25 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
WO2021125751A1 (ko) * 2019-12-16 2021-06-24 현대자동차주식회사 임의의 모양으로 분할되는 블록을 예측하는 방법 및 복호화 장치

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020096428A1 (ko) * 2018-11-08 2020-05-14 주식회사 엑스리스 영상 신호 부호화/복호화 방법 및 이를 위한 장치
WO2020096388A1 (ko) * 2018-11-08 2020-05-14 주식회사 엑스리스 영상 신호 부호화/복호화 방법 및 이를 위한 장치
CN113395519A (zh) * 2018-11-08 2021-09-14 Oppo广东移动通信有限公司 视频信号编码/解码方法以及用于所述方法的设备
US11405613B2 (en) 2018-11-08 2022-08-02 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for encoding/decoding image signal and device therefor
US11470312B2 (en) * 2018-11-08 2022-10-11 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for encoding/decoding image signal, and apparatus therefor
US20220337832A1 (en) 2018-11-08 2022-10-20 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for encoding/decoding image signal, and apparatus therefor
CN113395519B (zh) * 2018-11-08 2023-04-07 Oppo广东移动通信有限公司 视频信号编码/解码方法以及用于所述方法的设备
US11825085B2 (en) 2018-11-08 2023-11-21 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for encoding/decoding image signal and device therefor
US11882282B2 (en) 2018-11-08 2024-01-23 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for encoding/decoding image signal, and apparatus therefor
US11889077B2 (en) 2018-11-08 2024-01-30 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for encoding/decoding image signal and device therefor
WO2021054805A1 (ko) * 2019-09-20 2021-03-25 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
WO2021125751A1 (ko) * 2019-12-16 2021-06-24 현대자동차주식회사 임의의 모양으로 분할되는 블록을 예측하는 방법 및 복호화 장치

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