WO2012070827A3 - 영상 부호화 및 복호화 방법과 이를 이용한 장치 - Google Patents

영상 부호화 및 복호화 방법과 이를 이용한 장치 Download PDF

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Publication number
WO2012070827A3
WO2012070827A3 PCT/KR2011/008898 KR2011008898W WO2012070827A3 WO 2012070827 A3 WO2012070827 A3 WO 2012070827A3 KR 2011008898 W KR2011008898 W KR 2011008898W WO 2012070827 A3 WO2012070827 A3 WO 2012070827A3
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WO
WIPO (PCT)
Prior art keywords
encoding
same
mode information
decoding images
inter
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Application number
PCT/KR2011/008898
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English (en)
French (fr)
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WO2012070827A2 (ko
Inventor
임재현
박승욱
김정선
전용준
박준영
전병문
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엘지전자 주식회사
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Publication date
Priority to KR1020137000268A priority Critical patent/KR101503611B1/ko
Priority to US13/814,745 priority patent/US9172956B2/en
Priority to CN201180041402.0A priority patent/CN103081475B/zh
Priority to KR1020147007387A priority patent/KR101425772B1/ko
Priority to EP11842773.1A priority patent/EP2645720A4/en
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Publication of WO2012070827A2 publication Critical patent/WO2012070827A2/ko
Publication of WO2012070827A3 publication Critical patent/WO2012070827A3/ko
Priority to US14/848,485 priority patent/US9369729B2/en
Priority to US15/148,689 priority patent/US9621911B2/en
Priority to US15/442,257 priority patent/US9800888B2/en
Priority to US15/721,135 priority patent/US10148975B2/en
Priority to US16/176,715 priority patent/US10440381B2/en
Priority to US16/552,680 priority patent/US10757436B2/en
Priority to US16/930,127 priority patent/US11234013B2/en
Priority to US17/551,546 priority patent/US11627332B2/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
    • H04N19/70—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
    • H04N19/50—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
    • 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
    • H04N19/169—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
    • 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
    • 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with 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
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • 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
    • 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
    • H04N19/80—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

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

Abstract

본 발명에 따른 인터 예측 방법은 현재 블록의 인터 예측에 관한 모드 정보를 수신하는 단계, 수신한 모드 정보를 복호화하는 단계 및 복호화된 모드 정보를 이용하여 인터 예측을 수행하는 단계를 포함한다. 본 발명에 의하면, 영상 압축 효율이 향상될 수 있다.
PCT/KR2011/008898 2010-11-23 2011-11-22 영상 부호화 및 복호화 방법과 이를 이용한 장치 WO2012070827A2 (ko)

Priority Applications (13)

Application Number Priority Date Filing Date Title
KR1020137000268A KR101503611B1 (ko) 2010-11-23 2011-11-22 영상 부호화 및 복호화 방법과 이를 이용한 장치
US13/814,745 US9172956B2 (en) 2010-11-23 2011-11-22 Encoding and decoding images using inter-prediction
CN201180041402.0A CN103081475B (zh) 2010-11-23 2011-11-22 编码和解码图像的方法及使用该方法的设备
KR1020147007387A KR101425772B1 (ko) 2010-11-23 2011-11-22 영상 부호화 및 복호화 방법과 이를 이용한 장치
EP11842773.1A EP2645720A4 (en) 2010-11-23 2011-11-22 METHOD FOR ENCODING AND DECODING IMAGES, AND DEVICE USING THE SAME
US14/848,485 US9369729B2 (en) 2010-11-23 2015-09-09 Method for encoding and decoding images, and device using same
US15/148,689 US9621911B2 (en) 2010-11-23 2016-05-06 Method for encoding and decoding images, and device using same
US15/442,257 US9800888B2 (en) 2010-11-23 2017-02-24 Method for encoding and decoding images, and device using same
US15/721,135 US10148975B2 (en) 2010-11-23 2017-09-29 Method for encoding and decoding images, and device using same
US16/176,715 US10440381B2 (en) 2010-11-23 2018-10-31 Method for encoding and decoding images, and device using same
US16/552,680 US10757436B2 (en) 2010-11-23 2019-08-27 Method for encoding and decoding images, and device using same
US16/930,127 US11234013B2 (en) 2010-11-23 2020-07-15 Method for encoding and decoding images, and device using same
US17/551,546 US11627332B2 (en) 2010-11-23 2021-12-15 Method for encoding and decoding images, and device using same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41630210P 2010-11-23 2010-11-23
US61/416,302 2010-11-23

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US13/814,745 A-371-Of-International US9172956B2 (en) 2010-11-23 2011-11-22 Encoding and decoding images using inter-prediction
US14/848,485 Continuation US9369729B2 (en) 2010-11-23 2015-09-09 Method for encoding and decoding images, and device using same

Publications (2)

Publication Number Publication Date
WO2012070827A2 WO2012070827A2 (ko) 2012-05-31
WO2012070827A3 true WO2012070827A3 (ko) 2012-07-19

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PCT/KR2011/008898 WO2012070827A2 (ko) 2010-11-23 2011-11-22 영상 부호화 및 복호화 방법과 이를 이용한 장치

Country Status (5)

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US (9) US9172956B2 (ko)
EP (1) EP2645720A4 (ko)
KR (2) KR101503611B1 (ko)
CN (6) CN105847831B (ko)
WO (1) WO2012070827A2 (ko)

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