CN118120231A - 改善解码器侧帧内模式导出中的角度离散化 - Google Patents

改善解码器侧帧内模式导出中的角度离散化 Download PDF

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Publication number
CN118120231A
CN118120231A CN202280067579.6A CN202280067579A CN118120231A CN 118120231 A CN118120231 A CN 118120231A CN 202280067579 A CN202280067579 A CN 202280067579A CN 118120231 A CN118120231 A CN 118120231A
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CN
China
Prior art keywords
current video
video block
block
prediction mode
gradient
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Pending
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CN202280067579.6A
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English (en)
Chinese (zh)
Inventor
T·杜马斯
F·莱莱昂内克
F·加尔平
P·博尔德斯
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InterDigital CE Patent Holdings SAS
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InterDigital CE Patent Holdings SAS
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Publication of CN118120231A publication Critical patent/CN118120231A/zh
Pending 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
    • H04N19/102—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)
CN202280067579.6A 2021-09-28 2022-09-16 改善解码器侧帧内模式导出中的角度离散化 Pending CN118120231A (zh)

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

Publications (1)

Publication Number Publication Date
CN118120231A true CN118120231A (zh) 2024-05-31

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CN202280067579.6A Pending CN118120231A (zh) 2021-09-28 2022-09-16 改善解码器侧帧内模式导出中的角度离散化

Country Status (8)

Country Link
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)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2026001801A3 (zh) * 2025-06-18 2026-04-02 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

Families Citing this family (4)

* 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
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2026001801A3 (zh) * 2025-06-18 2026-04-02 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

Also Published As

Publication number Publication date
US12407821B2 (en) 2025-09-02
EP4409883A1 (en) 2024-08-07
JP2024537625A (ja) 2024-10-16
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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