WO2011065735A3 - 적응적 2차예측 기반 영상 부호화/복호화 방법, 장치 및 기록 매체 - Google Patents

적응적 2차예측 기반 영상 부호화/복호화 방법, 장치 및 기록 매체 Download PDF

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Publication number
WO2011065735A3
WO2011065735A3 PCT/KR2010/008316 KR2010008316W WO2011065735A3 WO 2011065735 A3 WO2011065735 A3 WO 2011065735A3 KR 2010008316 W KR2010008316 W KR 2010008316W WO 2011065735 A3 WO2011065735 A3 WO 2011065735A3
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WO
WIPO (PCT)
Prior art keywords
block
quantization
prediction
recording medium
decoding method
Prior art date
Application number
PCT/KR2010/008316
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English (en)
French (fr)
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WO2011065735A2 (ko
Inventor
김수년
임정연
이규민
최재훈
최영호
최윤식
김용구
Original Assignee
에스케이텔레콤 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 에스케이텔레콤 주식회사 filed Critical 에스케이텔레콤 주식회사
Priority to US13/511,347 priority Critical patent/US9288495B2/en
Priority claimed from KR1020100117198A external-priority patent/KR101807170B1/ko
Publication of WO2011065735A2 publication Critical patent/WO2011065735A2/ko
Publication of WO2011065735A3 publication Critical patent/WO2011065735A3/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
    • 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
    • H04N19/169—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
    • H04N19/189—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
    • H04N19/192—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 the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • H04N19/194—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 the adaptation method, adaptation tool or adaptation type being iterative or recursive involving only two passes
    • 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
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • 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

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

Abstract

본 발명의 실시예는 현재 블록에서 예측 블록을 감산하여 생성한 1차잔차블록을 선택적으로 주파수변환하고 1차잔차블록 또는 주파수변환된 1차잔차블록에 대한 제1양자화블록을 생성하고 제1양자화블록이 1차잔차블록을 양자화한 블록인 경우, 양자화된 1차잔차블록에 대하여 2차예측 움직임벡터 집합을 이용하여 선택적으로 2차예측을 수행하여 제2양자화블록을 생성하고 주파수변환 여부에 대한 정보와 선택적으로 2차예측정보를 부호화하고 제1양자화블록 또는 제2양자화블록을 비트스트림으로 부호화하고 이를 복호화하는 단계를 포함한다.
PCT/KR2010/008316 2009-11-24 2010-11-24 적응적 2차예측 기반 영상 부호화/복호화 방법, 장치 및 기록 매체 WO2011065735A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/511,347 US9288495B2 (en) 2009-11-24 2010-11-24 Adaptive secondary prediction-based image encoding/decoding method, device and recording medium

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2009-0113625 2009-11-24
KR20090113625 2009-11-24
KR10-2010-0117198 2010-11-24
KR1020100117198A KR101807170B1 (ko) 2009-11-24 2010-11-24 적응적 2차예측 기반 영상 부호화/복호화 방법, 장치 및 기록 매체

Publications (2)

Publication Number Publication Date
WO2011065735A2 WO2011065735A2 (ko) 2011-06-03
WO2011065735A3 true WO2011065735A3 (ko) 2011-09-15

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PCT/KR2010/008316 WO2011065735A2 (ko) 2009-11-24 2010-11-24 적응적 2차예측 기반 영상 부호화/복호화 방법, 장치 및 기록 매체

Country Status (1)

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9369732B2 (en) 2012-10-08 2016-06-14 Google Inc. Lossless intra-prediction video coding
US9756346B2 (en) 2012-10-08 2017-09-05 Google Inc. Edge-selective intra coding
US9407915B2 (en) * 2012-10-08 2016-08-02 Google Inc. Lossless video coding with sub-frame level optimal quantization values

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040028334A (ko) * 2002-09-30 2004-04-03 주식회사 케이티 Ｈ.263 영상 부호화에 의한 왜곡량 예측 장치 및 그 방법
KR20070006446A (ko) * 2005-07-08 2007-01-11 삼성전자주식회사 동영상 부호화 장치, 동영상 복호화 장치, 및 그 방법과,이를 구현하기 위한 프로그램이 기록된 기록 매체
KR20080082143A (ko) * 2007-03-07 2008-09-11 삼성전자주식회사 영상 부호화 방법 및 장치, 복호화 방법 및 장치

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040028334A (ko) * 2002-09-30 2004-04-03 주식회사 케이티 Ｈ.263 영상 부호화에 의한 왜곡량 예측 장치 및 그 방법
KR20070006446A (ko) * 2005-07-08 2007-01-11 삼성전자주식회사 동영상 부호화 장치, 동영상 복호화 장치, 및 그 방법과,이를 구현하기 위한 프로그램이 기록된 기록 매체
KR20080082143A (ko) * 2007-03-07 2008-09-11 삼성전자주식회사 영상 부호화 방법 및 장치, 복호화 방법 및 장치

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