ZA202402343B - Improving the angle discretization in decoder side intra mode derivation - Google Patents

Improving the angle discretization in decoder side intra mode derivation

Info

Publication number
ZA202402343B
ZA202402343B ZA2024/02343A ZA202402343A ZA202402343B ZA 202402343 B ZA202402343 B ZA 202402343B ZA 2024/02343 A ZA2024/02343 A ZA 2024/02343A ZA 202402343 A ZA202402343 A ZA 202402343A ZA 202402343 B ZA202402343 B ZA 202402343B
Authority
ZA
South Africa
Prior art keywords
video block
current video
decoder side
determined
reference pixels
Prior art date
Application number
ZA2024/02343A
Other languages
English (en)
Inventor
Thierry Dumas
Leannec Fabrice Le
Franck GALPIN
Philippe Bordes
Original Assignee
Interdigital Ce Patent Holdings Sas
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Interdigital Ce Patent Holdings Sas filed Critical Interdigital Ce Patent Holdings Sas
Publication of ZA202402343B publication Critical patent/ZA202402343B/en

Links

Classifications

    • 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
    • H04N19/117—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
ZA2024/02343A 2021-09-28 2024-03-22 Improving the angle discretization in decoder side intra mode derivation ZA202402343B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP21306345 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
ZA202402343B true ZA202402343B (en) 2025-12-17

Family

ID=78371988

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2024/02343A ZA202402343B (en) 2021-09-28 2024-03-22 Improving the angle discretization in decoder side intra mode derivation

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)

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

Also Published As

Publication number Publication date
US12407821B2 (en) 2025-09-02
EP4409883A1 (en) 2024-08-07
JP2024537625A (ja) 2024-10-16
CN118120231A (zh) 2024-05-31
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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