JP2024537625A - デコーダ側イントラモード導出における角度離散化の改善 - Google Patents

デコーダ側イントラモード導出における角度離散化の改善 Download PDF

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Publication number
JP2024537625A
JP2024537625A JP2024514531A JP2024514531A JP2024537625A JP 2024537625 A JP2024537625 A JP 2024537625A JP 2024514531 A JP2024514531 A JP 2024514531A JP 2024514531 A JP2024514531 A JP 2024514531A JP 2024537625 A JP2024537625 A JP 2024537625A
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current video
video block
intra
block
prediction mode
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Japanese (ja)
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JP2024537625A5 (enExample
Inventor
デュマ、ティエリー
リアネック、ファブリース ル
ガルピン、フランク
ボルド、フィリップ
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インターディジタル・シーイー・パテント・ホールディングス・ソシエテ・パ・アクシオンス・シンプリフィエ
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Publication of JP2024537625A publication Critical patent/JP2024537625A/ja
Publication of JP2024537625A5 publication Critical patent/JP2024537625A5/ja
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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
    • H04N19/102—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
    • H04N19/169—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

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2024514531A 2021-09-28 2022-09-16 デコーダ側イントラモード導出における角度離散化の改善 Pending JP2024537625A (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP21306345 2021-09-28
EP21306345.6 2021-09-28
PCT/EP2022/075843 WO2023052156A1 (en) 2021-09-28 2022-09-16 Improving the angle discretization in decoder side intra mode derivation

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JP2024537625A true JP2024537625A (ja) 2024-10-16
JP2024537625A5 JP2024537625A5 (enExample) 2025-09-25

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JP2024514531A Pending JP2024537625A (ja) 2021-09-28 2022-09-16 デコーダ側イントラモード導出における角度離散化の改善

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US (2) US12407821B2 (enExample)
EP (1) EP4409883A1 (enExample)
JP (1) JP2024537625A (enExample)
KR (1) KR20240088795A (enExample)
CN (1) CN118120231A (enExample)
CA (1) CA3232995A1 (enExample)
WO (1) WO2023052156A1 (enExample)
ZA (1) ZA202402343B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118451707A (zh) * 2021-12-29 2024-08-06 Lg电子株式会社 图像编码/解码方法和装置及存储比特流的记录介质
EP4496307A4 (en) * 2022-03-15 2026-03-04 Kt Corp METHOD AND DEVICE FOR IMAGE ENCODING/DECODING
WO2025026313A1 (en) * 2023-08-01 2025-02-06 Mediatek Inc. Methods and apparatus of decoder-side intra mode derivation and prediction with influence of histogram of gradients from the neighbourhood in video coding
WO2026007136A1 (en) * 2024-07-05 2026-01-08 Shenzhen Tcl New Technology Co., Ltd. Intra-prediction method for video coding involving template gradients and apparatus incorporating the same
WO2026001801A2 (zh) * 2025-06-18 2026-01-02 深圳传音控股股份有限公司 处理方法、处理设备及存储介质
CN120583237A (zh) * 2025-06-19 2025-09-02 深圳传音控股股份有限公司 图像处理方法、处理设备及存储介质

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US12407821B2 (en) 2025-09-02
EP4409883A1 (en) 2024-08-07
CN118120231A (zh) 2024-05-31
ZA202402343B (en) 2025-12-17
US20240380885A1 (en) 2024-11-14
CA3232995A1 (en) 2023-04-06
WO2023052156A1 (en) 2023-04-06
US20260039807A1 (en) 2026-02-05
KR20240088795A (ko) 2024-06-20

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