KR20240088795A - 디코더 측 화면내 모드 도출에서의 각도 이산화 개선 - Google Patents

디코더 측 화면내 모드 도출에서의 각도 이산화 개선 Download PDF

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Publication number
KR20240088795A
KR20240088795A KR1020247011473A KR20247011473A KR20240088795A KR 20240088795 A KR20240088795 A KR 20240088795A KR 1020247011473 A KR1020247011473 A KR 1020247011473A KR 20247011473 A KR20247011473 A KR 20247011473A KR 20240088795 A KR20240088795 A KR 20240088795A
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South Korea
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intra
current video
video block
block
prediction mode
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KR1020247011473A
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English (en)
Korean (ko)
Inventor
티에리 두마스
파브리체 르 리넥
프랑크 갈핀
필립 보르데스
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인터디지털 씨이 페이튼트 홀딩스, 에스에이에스
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Publication of KR20240088795A publication Critical patent/KR20240088795A/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
    • H04N19/102—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)
KR1020247011473A 2021-09-28 2022-09-16 디코더 측 화면내 모드 도출에서의 각도 이산화 개선 Pending KR20240088795A (ko)

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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KR20240088795A true KR20240088795A (ko) 2024-06-20

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KR1020247011473A Pending KR20240088795A (ko) 2021-09-28 2022-09-16 디코더 측 화면내 모드 도출에서의 각도 이산화 개선

Country Status (8)

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

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

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