KR20230038300A - 인트라 모드 코딩을 위한 개선 - Google Patents

인트라 모드 코딩을 위한 개선 Download PDF

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Publication number
KR20230038300A
KR20230038300A KR1020237007285A KR20237007285A KR20230038300A KR 20230038300 A KR20230038300 A KR 20230038300A KR 1020237007285 A KR1020237007285 A KR 1020237007285A KR 20237007285 A KR20237007285 A KR 20237007285A KR 20230038300 A KR20230038300 A KR 20230038300A
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South Korea
Prior art keywords
intra
mode
intra prediction
modes
list
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English (en)
Korean (ko)
Inventor
량 자오
신 자오
산 류
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텐센트 아메리카 엘엘씨
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Publication of KR20230038300A publication Critical patent/KR20230038300A/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
    • H04N19/11—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
    • H04N19/105—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
    • H04N19/134—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
    • H04N19/184—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 bits, e.g. of the compressed video stream
    • 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
    • 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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020237007285A 2021-07-15 2022-01-18 인트라 모드 코딩을 위한 개선 Pending KR20230038300A (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163222376P 2021-07-15 2021-07-15
US63/222,376 2021-07-15
US17/564,607 US11917136B2 (en) 2021-07-15 2021-12-29 Intra mode coding
US17/564,607 2021-12-29
PCT/US2022/012752 WO2023287458A1 (en) 2021-07-15 2022-01-18 Improvement for intra mode coding

Publications (1)

Publication Number Publication Date
KR20230038300A true KR20230038300A (ko) 2023-03-17

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Application Number Title Priority Date Filing Date
KR1020237007285A Pending KR20230038300A (ko) 2021-07-15 2022-01-18 인트라 모드 코딩을 위한 개선

Country Status (6)

Country Link
US (3) US11917136B2 (https=)
EP (2) EP4614980A3 (https=)
JP (2) JP7510006B2 (https=)
KR (1) KR20230038300A (https=)
CN (2) CN119996659A (https=)
WO (1) WO2023287458A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024248580A1 (ko) * 2023-06-01 2024-12-05 삼성전자 주식회사 인트라 예측 모드를 이용한 영상의 부호화 방법, 부호화 장치, 복호화 방법 및 복호화 장치

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12407845B2 (en) * 2023-02-13 2025-09-02 Tencent America LLC Refined intra prediction angles

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101306834B1 (ko) 2008-09-22 2013-09-10 에스케이텔레콤 주식회사 인트라 예측 모드의 예측 가능성을 이용한 영상 부호화/복호화 장치 및 방법
US8902978B2 (en) * 2010-05-30 2014-12-02 Lg Electronics Inc. Enhanced intra prediction mode signaling
US9654785B2 (en) 2011-06-09 2017-05-16 Qualcomm Incorporated Enhanced intra-prediction mode signaling for video coding using neighboring mode
BR112013014374B8 (pt) 2011-09-13 2022-08-30 Mediatek Singapore Pte Ltd Método e aparelho para codificação de modo intra em hevc
CA3227652C (en) * 2016-10-04 2025-11-18 Kt Corporation METHOD AND APPARATUS FOR VIDEO SIGNAL PROCESSING
WO2018080135A1 (ko) * 2016-10-28 2018-05-03 한국전자통신연구원 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장한 기록 매체
US10924733B2 (en) * 2017-12-29 2021-02-16 FG Innovation Company Limited Device and method for coding video data based on mode list including different mode groups
KR20240042127A (ko) 2018-09-03 2024-04-01 후아웨이 테크놀러지 컴퍼니 리미티드 인트라 예측을 위한 방법 및 장치
MX2021007764A (es) 2018-12-28 2021-08-05 B1 Institute Image Technology Inc Metodo y dispositivo de codificacion/decodificacion de video a base de intra prediccion.
WO2020197224A1 (ko) * 2019-03-24 2020-10-01 엘지전자 주식회사 인트라 예측 모드 후보 리스트를 구성하는 영상 코딩
MX2021012405A (es) 2019-04-17 2021-11-12 Huawei Tech Co Ltd Un codificador, un decodificador y metodos de armonizacion de intraprediccion basada en matriz correspondiente y seleccion de nucleo de transformada secundaria.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024248580A1 (ko) * 2023-06-01 2024-12-05 삼성전자 주식회사 인트라 예측 모드를 이용한 영상의 부호화 방법, 부호화 장치, 복호화 방법 및 복호화 장치

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Publication number Publication date
US20240155118A1 (en) 2024-05-09
EP4614980A2 (en) 2025-09-10
US20260046398A1 (en) 2026-02-12
WO2023287458A1 (en) 2023-01-19
US11917136B2 (en) 2024-02-27
JP2023546674A (ja) 2023-11-07
EP4165872A4 (en) 2023-08-30
CN116250231A (zh) 2023-06-09
US20230024538A1 (en) 2023-01-26
JP7510006B2 (ja) 2024-07-02
US12464120B2 (en) 2025-11-04
EP4165872B1 (en) 2025-09-17
JP2024111184A (ja) 2024-08-16
CN119996659A (zh) 2025-05-13
EP4614980A3 (en) 2025-11-19
EP4165872A1 (en) 2023-04-19
CN116250231B (zh) 2025-02-11

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