WO2012161445A3 - 단거리 인트라 예측 단위 복호화 방법 및 복호화 장치 - Google Patents

단거리 인트라 예측 단위 복호화 방법 및 복호화 장치 Download PDF

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Publication number
WO2012161445A3
WO2012161445A3 PCT/KR2012/003746 KR2012003746W WO2012161445A3 WO 2012161445 A3 WO2012161445 A3 WO 2012161445A3 KR 2012003746 W KR2012003746 W KR 2012003746W WO 2012161445 A3 WO2012161445 A3 WO 2012161445A3
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WIPO (PCT)
Prior art keywords
intra prediction
prediction
short distance
prediction unit
decoding
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Legal status (The legal status 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 status listed.)
Ceased
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PCT/KR2012/003746
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English (en)
French (fr)
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WO2012161445A2 (ko
Inventor
권재철
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KT Corp
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KT Corp
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Publication date
Priority claimed from KR1020110065209A external-priority patent/KR20130029130A/ko
Application filed by KT Corp filed Critical KT Corp
Publication of WO2012161445A2 publication Critical patent/WO2012161445A2/ko
Publication of WO2012161445A3 publication Critical patent/WO2012161445A3/ko
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H04N19/174—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 slice, e.g. a line of blocks or a group of blocks
    • 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
    • H04N19/134—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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/593—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving spatial prediction techniques

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

Abstract

단거리 인트라 예측 단위 복호화 방법 및 복호화 장치가 제공된다. 제1 예측 단위가 복수의 제2 예측 단위로 더 분할되고 제2 예측 단위의 형태를 기초로 재배치된 인트라 예측 모드 매핑 테이블을 이용하여 제2 예측 단위의 인트라 예측 모드를 결정한다. 결정된 제2 예측 단위의 인트라 예측 모드를 기초로 제2 예측 단위의 예측 블록을 생성한다. 본 발명에 따르면 인트라 예측 효율이 높아지며, 전송 비트량이 절감된다.
PCT/KR2012/003746 2011-05-20 2012-05-14 단거리 인트라 예측 단위 복호화 방법 및 복호화 장치 Ceased WO2012161445A2 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20110048129 2011-05-20
KR10-2011-0048129 2011-05-20
KR1020110065209A KR20130029130A (ko) 2011-05-20 2011-06-30 단거리 인트라 예측 단위 복호화 방법 및 복호화 장치
KR10-2011-0065209 2011-06-30

Publications (2)

Publication Number Publication Date
WO2012161445A2 WO2012161445A2 (ko) 2012-11-29
WO2012161445A3 true WO2012161445A3 (ko) 2013-01-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/003746 Ceased WO2012161445A2 (ko) 2011-05-20 2012-05-14 단거리 인트라 예측 단위 복호화 방법 및 복호화 장치

Country Status (1)

Country Link
WO (1) WO2012161445A2 (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015057033A1 (ko) * 2013-10-18 2015-04-23 엘지전자 주식회사 3d 비디오 부호화/복호화 방법 및 장치
KR20180086203A (ko) * 2015-12-17 2018-07-30 삼성전자주식회사 영상을 부호화/복호화 하는 방법 및 그 장치
CN116886909A (zh) 2016-10-14 2023-10-13 世宗大学校产学协力团 影像编码方法、影像解码方法以及传送比特流的方法
KR102416804B1 (ko) * 2016-10-14 2022-07-05 세종대학교산학협력단 영상 부호화 방법/장치, 영상 복호화 방법/장치 및 비트스트림을 저장한 기록 매체
KR102331940B1 (ko) 2016-12-23 2021-11-26 후아웨이 테크놀러지 컴퍼니 리미티드 지향성 인트라 예측 모드의 세트 내에서 확장 지향성 인트라 예측 모드를 시그널링하는 인코딩 장치
DK3806463T3 (da) 2016-12-23 2025-12-15 Huawei Tech Co Ltd Intraforudsigelsesapparat til udvidelse af et sæt af forud fastlagte intraforudsigelsestilstande
EP3552392A1 (en) 2016-12-23 2019-10-16 Huawei Technologies Co., Ltd. An intra-prediction apparatus for removing a directional intra-prediction mode from a set of predetermined directional intra-prediction modes
WO2019009584A1 (ko) 2017-07-04 2019-01-10 삼성전자 주식회사 다중 코어 변환에 의한 비디오 복호화 방법 및 장치, 다중 코어 변환에 의한 비디오 부호화 방법 및 장치
EP3487177A1 (en) * 2017-11-21 2019-05-22 Thomson Licensing Method and apparatus for low-complexity bi-directional intra prediction in video encoding and decoding
WO2019194440A1 (ko) * 2018-04-02 2019-10-10 엘지전자 주식회사 인트라 예측 모드에 대한 룩업 테이블을 이용한 영상 코딩 방법 및 그 장치

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100037180A (ko) * 2008-10-01 2010-04-09 에스케이 텔레콤주식회사 영상 부호화/복호화 방법 및 장치
KR20110018188A (ko) * 2009-08-17 2011-02-23 삼성전자주식회사 영상의 부호화 방법 및 장치, 영상 복호화 방법 및 장치
KR20110018189A (ko) * 2009-08-17 2011-02-23 삼성전자주식회사 영상의 부호화 방법 및 장치, 그 복호화 방법 및 장치

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100037180A (ko) * 2008-10-01 2010-04-09 에스케이 텔레콤주식회사 영상 부호화/복호화 방법 및 장치
KR20110018188A (ko) * 2009-08-17 2011-02-23 삼성전자주식회사 영상의 부호화 방법 및 장치, 영상 복호화 방법 및 장치
KR20110018189A (ko) * 2009-08-17 2011-02-23 삼성전자주식회사 영상의 부호화 방법 및 장치, 그 복호화 방법 및 장치

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