EP4497241A4 - Amélioration de mode planaire pour prédiction intra - Google Patents

Amélioration de mode planaire pour prédiction intra

Info

Publication number
EP4497241A4
EP4497241A4 EP23775583.0A EP23775583A EP4497241A4 EP 4497241 A4 EP4497241 A4 EP 4497241A4 EP 23775583 A EP23775583 A EP 23775583A EP 4497241 A4 EP4497241 A4 EP 4497241A4
Authority
EP
European Patent Office
Prior art keywords
intraprediction
planar mode
mode improvement
improvement
planar
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP23775583.0A
Other languages
German (de)
English (en)
Other versions
EP4497241A1 (fr
Inventor
Ning Yan
Yi-Wen Chen
Xiaoyu Xiu
Wei Chen
Che-Wei Kuo
Hong-Jheng Jhu
Han Gao
Xianglin Wang
Bing Yu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Dajia Internet Information Technology Co Ltd
Original Assignee
Beijing Dajia Internet Information Technology Co Ltd
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
Priority claimed from PCT/US2022/050696 external-priority patent/WO2023091780A1/fr
Application filed by Beijing Dajia Internet Information Technology Co Ltd filed Critical Beijing Dajia Internet Information Technology Co Ltd
Publication of EP4497241A1 publication Critical patent/EP4497241A1/fr
Publication of EP4497241A4 publication Critical patent/EP4497241A4/fr
Pending legal-status Critical Current

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
    • H04N19/117—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
    • H04N19/11—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
    • H04N19/169—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP23775583.0A 2022-03-22 2023-03-22 Amélioration de mode planaire pour prédiction intra Pending EP4497241A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202263322478P 2022-03-22 2022-03-22
PCT/US2022/050696 WO2023091780A1 (fr) 2021-11-22 2022-11-22 Amélioration de mode planaire pour prédiction intra
PCT/US2023/015869 WO2023183366A1 (fr) 2022-03-22 2023-03-22 Amélioration de mode planaire pour prédiction intra

Publications (2)

Publication Number Publication Date
EP4497241A1 EP4497241A1 (fr) 2025-01-29
EP4497241A4 true EP4497241A4 (fr) 2026-03-25

Family

ID=88101905

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23775583.0A Pending EP4497241A4 (fr) 2022-03-22 2023-03-22 Amélioration de mode planaire pour prédiction intra

Country Status (2)

Country Link
EP (1) EP4497241A4 (fr)
WO (1) WO2023183366A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20250324029A1 (en) * 2024-04-14 2025-10-16 Tencent America LLC Intra predictor and intra mode coding
WO2026012672A1 (fr) * 2024-07-10 2026-01-15 Nokia Technologies Oy Appareil, procédé et programme informatique pour le codage et le décodage de vidéo

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120082224A1 (en) * 2010-10-01 2012-04-05 Qualcomm Incorporated Intra smoothing filter for video coding
US20120093426A1 (en) * 2009-07-01 2012-04-19 Kazushi Sato Image processing device and method
WO2020216255A1 (fr) * 2019-04-25 2020-10-29 Mediatek Inc. Procédé et appareil de codage ou de décodage avec filtre de lissage intra dépendant du mode en prédiction intra

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116347074A (zh) * 2018-03-09 2023-06-27 韩国电子通信研究院 使用样点滤波的图像编码/解码方法和设备
WO2020060449A1 (fr) * 2018-09-23 2020-03-26 Huawei Technologies Co., Ltd. Procédé et appareil de commutation de filtre d'interpolation d'échantillon de référence intra
US11438583B2 (en) * 2018-11-27 2022-09-06 Tencent America LLC Reference sample filter selection in intra prediction

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120093426A1 (en) * 2009-07-01 2012-04-19 Kazushi Sato Image processing device and method
US20120082224A1 (en) * 2010-10-01 2012-04-05 Qualcomm Incorporated Intra smoothing filter for video coding
WO2020216255A1 (fr) * 2019-04-25 2020-10-29 Mediatek Inc. Procédé et appareil de codage ou de décodage avec filtre de lissage intra dépendant du mode en prédiction intra

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2023183366A1 *

Also Published As

Publication number Publication date
WO2023183366A1 (fr) 2023-09-28
EP4497241A1 (fr) 2025-01-29
WO2023183366A8 (fr) 2024-07-18

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RIN1 Information on inventor provided before grant (corrected)

Inventor name: WANG, XIANGLIN

Inventor name: GAO, HAN

Inventor name: JHU, HONG-JHENG

Inventor name: KUO, CHE-WEI

Inventor name: CHEN, WEI

Inventor name: XIU, XIAOYU

Inventor name: CHEN, YI-WEN

Inventor name: YAN, NING

Inventor name: YU, BING

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Ipc: H04N 19/593 20140101AFI20260219BHEP

Ipc: H04N 19/157 20140101ALI20260219BHEP

Ipc: H04N 19/132 20140101ALI20260219BHEP

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