WO2020139006A3 - 화면 내 예측 모드 유도 방법 및 장치 - Google Patents

화면 내 예측 모드 유도 방법 및 장치 Download PDF

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WO2020139006A3
WO2020139006A3 PCT/KR2019/018576 KR2019018576W WO2020139006A3 WO 2020139006 A3 WO2020139006 A3 WO 2020139006A3 KR 2019018576 W KR2019018576 W KR 2019018576W WO 2020139006 A3 WO2020139006 A3 WO 2020139006A3
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prediction mode
intra
current block
deriving
deriving intra
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WO2020139006A2 (ko
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이진호
강정원
이하현
임성창
김휘용
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Electronics and Telecommunications Research Institute ETRI
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Priority to CN202411394996.9A priority Critical patent/CN118984380A/zh
Priority to CN201980086300.7A priority patent/CN113261286B/zh
Priority to US17/418,514 priority patent/US11979555B2/en
Priority to CN202411394944.1A priority patent/CN119031130A/zh
Priority to CN202411394875.4A priority patent/CN119011825A/zh
Publication of WO2020139006A2 publication Critical patent/WO2020139006A2/ko
Publication of WO2020139006A3 publication Critical patent/WO2020139006A3/ko
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Priority to US18/627,311 priority patent/US20240259556A1/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
    • H04N19/102—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
    • H04N19/11—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
    • H04N19/103—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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding 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
    • H04N19/132—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
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • 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
    • H04N19/10—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
    • H04N19/186—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 a colour or a chrominance component
    • 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
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • 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

영상 부호화/복호화 방법 및 장치가 제공된다. 본 발명에 따른 영상 복호화 방법은, 현재 블록에 인접한 주변 블록의 화면 내 예측 모드를 이용하여 상기 현재 블록의 화면 내 예측 모드를 유도하는 단계, 상기 현재 블록에 대한 참조 샘플을 구성하는 단계 및 상기 화면 내 예측 모드와 상기 참조 샘플을 이용하여 상기 현재 블록에 대한 화면 내 예측을 수행하는 단계를 포함하고, 상기 현재 블록의 화면 내 예측 모드를 유도하는 단계는, 상기 현재 블록의 화면 내 예측 모드가 Planar 모드인지 여부에 기초하여 MPM 리스트를 구성하는 단계를 포함한다.
PCT/KR2019/018576 2018-12-28 2019-12-27 화면 내 예측 모드 유도 방법 및 장치 Ceased WO2020139006A2 (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN202411394996.9A CN118984380A (zh) 2018-12-28 2019-12-27 用于推导帧内预测模式的方法和设备
CN201980086300.7A CN113261286B (zh) 2018-12-28 2019-12-27 用于推导帧内预测模式的方法和设备
US17/418,514 US11979555B2 (en) 2018-12-28 2019-12-27 Method and apparatus for deriving intra-prediction mode
CN202411394944.1A CN119031130A (zh) 2018-12-28 2019-12-27 用于推导帧内预测模式的方法和设备
CN202411394875.4A CN119011825A (zh) 2018-12-28 2019-12-27 用于推导帧内预测模式的方法和设备
US18/627,311 US20240259556A1 (en) 2018-12-28 2024-04-04 Method and apparatus for deriving intra-prediction mode

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
KR20180172705 2018-12-28
KR10-2018-0172705 2018-12-28
KR10-2019-0000320 2019-01-02
KR20190000320 2019-01-02
KR20190014463 2019-02-07
KR10-2019-0014463 2019-02-07
KR20190033328 2019-03-25
KR10-2019-0033328 2019-03-25

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US17/418,514 A-371-Of-International US11979555B2 (en) 2018-12-28 2019-12-27 Method and apparatus for deriving intra-prediction mode
US18/627,311 Division US20240259556A1 (en) 2018-12-28 2024-04-04 Method and apparatus for deriving intra-prediction mode

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WO2020139006A3 true WO2020139006A3 (ko) 2020-12-17

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US (2) US11979555B2 (ko)
KR (1) KR20200083315A (ko)
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Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020091213A1 (ko) * 2018-11-04 2020-05-07 엘지전자 주식회사 영상 코딩 시스템에서 인트라 예측 방법 및 장치
KR20250026884A (ko) * 2019-02-25 2025-02-25 후아웨이 테크놀러지 컴퍼니 리미티드 인트라 예측을 위해 인트라 모드 코딩을 사용하는 인코더, 디코더 및 대응 방법
CN120812259A (zh) 2019-05-27 2025-10-17 Sk电信有限公司 用于帧内预测的设备和用于提供视频数据的设备
CN114286090B (zh) * 2020-09-27 2025-08-05 浙江大学 一种用于图像的帧内预测方法和装置
WO2022108417A1 (ko) * 2020-11-23 2022-05-27 현대자동차주식회사 서브블록단위 인트라 예측을 이용하는 영상 부호화 및 복호화 방법과 장치
WO2022177317A1 (ko) * 2021-02-18 2022-08-25 현대자동차주식회사 서브블록 분할 기반 인트라 예측을 이용하는 비디오 코딩방법 및 장치
US12015765B2 (en) * 2021-04-26 2024-06-18 Tencent America LLC Template matching based intra prediction
JP7755043B2 (ja) * 2021-08-18 2025-10-15 エルジー エレクトロニクス インコーポレイティド イントラ予測モードに基づいて参照サンプルフィルタリングを行う画像符号化／復号化方法及び装置、並びにビットストリームを伝送する方法
CN118202651A (zh) * 2021-11-01 2024-06-14 联发科技（新加坡）私人有限公司 视频编解码系统中基于交叉分量线性模型的预测方法及装置
CN118285104A (zh) * 2021-11-22 2024-07-02 北京达佳互联信息技术有限公司 帧内预测的平面模式改进
WO2023163374A1 (ko) * 2022-02-22 2023-08-31 현대자동차주식회사 인트라 예측에서 mpm 리스트 구성하기 위한 방법
WO2023202557A1 (en) * 2022-04-19 2023-10-26 Mediatek Inc. Method and apparatus of decoder side intra mode derivation based most probable modes list construction in video coding system
WO2024007165A1 (zh) * 2022-07-05 2024-01-11 Oppo广东移动通信有限公司 编解码方法、装置、编码设备、解码设备以及存储介质
WO2024122880A1 (ko) * 2022-12-06 2024-06-13 현대자동차주식회사 Mpm 리스트를 적응적으로 생성하는 비디오 코딩방법 및 장치
WO2024151060A1 (ko) * 2023-01-10 2024-07-18 엘지전자 주식회사 인트라 예측에 기반한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장하는 기록 매체
WO2024212042A1 (zh) * 2023-04-10 2024-10-17 Oppo广东移动通信有限公司 编解码方法、码流、编码器、解码器以及存储介质

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150043226A (ko) * 2013-10-14 2015-04-22 삼성전자주식회사 깊이 인트라 부호화 방법 및 그 장치, 복호화 방법 및 그 장치
KR20160143588A (ko) * 2015-06-05 2016-12-14 인텔렉추얼디스커버리 주식회사 화면 내 예측 모드에 대한 부호화/복호화 방법 및 장치
KR20180014674A (ko) * 2016-08-01 2018-02-09 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
US20180084268A1 (en) * 2011-10-24 2018-03-22 Infobridge Pte. Ltd. Method and apparatus for image encoding with intra prediction mode
KR20180121402A (ko) * 2017-04-28 2018-11-07 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20120140181A (ko) * 2011-06-20 2012-12-28 한국전자통신연구원 화면내 예측 블록 경계 필터링을 이용한 부호화/복호화 방법 및 그 장치
KR101336578B1 (ko) 2012-06-11 2013-12-03 한국항공대학교산학협력단 화면 내 예측모드 예측기 및 그 예측 방법
WO2016195460A1 (ko) 2015-06-05 2016-12-08 한양대학교 산학협력단 화면 내 예측에 대한 부호화/복호화 방법 및 장치
US11032550B2 (en) * 2016-02-25 2021-06-08 Mediatek Inc. Method and apparatus of video coding
US10484712B2 (en) * 2016-06-08 2019-11-19 Qualcomm Incorporated Implicit coding of reference line index used in intra prediction
AU2018276649B2 (en) * 2017-05-31 2020-12-24 Lg Electronics Inc. Method and device for performing image decoding on basis of intra prediction in image coding system
KR20240042127A (ko) * 2018-09-03 2024-04-01 후아웨이 테크놀러지 컴퍼니 리미티드 인트라 예측을 위한 방법 및 장치
CN117528077A (zh) * 2018-10-27 2024-02-06 华为技术有限公司 图像预测方法及装置
WO2020091213A1 (ko) * 2018-11-04 2020-05-07 엘지전자 주식회사 영상 코딩 시스템에서 인트라 예측 방법 및 장치

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180084268A1 (en) * 2011-10-24 2018-03-22 Infobridge Pte. Ltd. Method and apparatus for image encoding with intra prediction mode
KR20150043226A (ko) * 2013-10-14 2015-04-22 삼성전자주식회사 깊이 인트라 부호화 방법 및 그 장치, 복호화 방법 및 그 장치
KR20160143588A (ko) * 2015-06-05 2016-12-14 인텔렉추얼디스커버리 주식회사 화면 내 예측 모드에 대한 부호화/복호화 방법 및 장치
KR20180014674A (ko) * 2016-08-01 2018-02-09 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
KR20180121402A (ko) * 2017-04-28 2018-11-07 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체

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Publication number Publication date
KR20200083315A (ko) 2020-07-08
US11979555B2 (en) 2024-05-07
CN113261286B (zh) 2024-10-22
US20220086426A1 (en) 2022-03-17
CN118984380A (zh) 2024-11-19
CN119011825A (zh) 2024-11-22
CN113261286A (zh) 2021-08-13
US20240259556A1 (en) 2024-08-01
CN119031130A (zh) 2024-11-26
WO2020139006A2 (ko) 2020-07-02

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