KR20230048544A - 오프셋 기반 미세 조정 및 다중 참조선 선택을 위한 조화된 설계 - Google Patents

오프셋 기반 미세 조정 및 다중 참조선 선택을 위한 조화된 설계 Download PDF

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KR20230048544A
KR20230048544A KR1020237008559A KR20237008559A KR20230048544A KR 20230048544 A KR20230048544 A KR 20230048544A KR 1020237008559 A KR1020237008559 A KR 1020237008559A KR 20237008559 A KR20237008559 A KR 20237008559A KR 20230048544 A KR20230048544 A KR 20230048544A
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block
intra prediction
offset
video
reference line
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Korean (ko)
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량 자오
신 자오
샨 리우
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텐센트 아메리카 엘엘씨
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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
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • 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
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • 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
    • H04N19/90—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
KR1020237008559A 2021-06-30 2022-01-27 오프셋 기반 미세 조정 및 다중 참조선 선택을 위한 조화된 설계 Pending KR20230048544A (ko)

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US202163217061P 2021-06-30 2021-06-30
US63/217,061 2021-06-30
US17/573,823 2022-01-12
US17/573,823 US12250401B2 (en) 2021-06-30 2022-01-12 Harmonized design for offset based refinement and multiple reference line selection
PCT/US2022/014131 WO2023277960A1 (en) 2021-06-30 2022-01-27 Harmonized design for offset based refinement and multiple reference line selection

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KR20230048544A true KR20230048544A (ko) 2023-04-11

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US (2) US12250401B2 (enExample)
EP (1) EP4179726A4 (enExample)
JP (2) JP7540082B2 (enExample)
KR (1) KR20230048544A (enExample)
WO (1) WO2023277960A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024242888A1 (en) * 2023-05-22 2024-11-28 Google Llc Extended intra prediction angles

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US20240372983A1 (en) * 2023-05-04 2024-11-07 Tencent America LLC Systems and methods for smooth mode predictions
US12477116B2 (en) 2023-05-17 2025-11-18 Tencent America LLC Systems and methods for angular intra mode coding

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TWI392372B (zh) * 2007-09-12 2013-04-01 Sony Corp Image processing apparatus and image processing method
KR101009517B1 (ko) 2008-06-23 2011-01-18 삼성에스디아이 주식회사 전극 조립체와 이를 이용한 리튬 이차 전지
CN116668690B (zh) 2016-10-04 2025-09-12 株式会社Kt 对视频进行编码和解码的方法、视频数据的发送方法
BR112020016432A2 (pt) 2018-02-14 2020-12-15 Huawei Technologies Co., Ltd. Método implementado em codificador e decodificador, dispositivo de codificação e de decodificação de vídeo, e meio legível por computador não transitório
MY206884A (en) 2018-11-27 2025-01-13 Apple Inc Method for encoding / decoding video signal and apparatus therefor
MX2021011369A (es) 2019-03-21 2021-11-12 Huawei Tech Co Ltd Método y aparato para intrapredicción.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024242888A1 (en) * 2023-05-22 2024-11-28 Google Llc Extended intra prediction angles

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EP4179726A4 (en) 2023-08-23
US12250401B2 (en) 2025-03-11
US20250184529A1 (en) 2025-06-05
EP4179726A1 (en) 2023-05-17
JP2024161467A (ja) 2024-11-19
US20230007299A1 (en) 2023-01-05
JP7540082B2 (ja) 2024-08-26
JP2023543591A (ja) 2023-10-17
WO2023277960A1 (en) 2023-01-05

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