CN121420544A - 环路滤波器训练改进 - Google Patents

环路滤波器训练改进

Info

Publication number
CN121420544A
CN121420544A CN202480044060.5A CN202480044060A CN121420544A CN 121420544 A CN121420544 A CN 121420544A CN 202480044060 A CN202480044060 A CN 202480044060A CN 121420544 A CN121420544 A CN 121420544A
Authority
CN
China
Prior art keywords
scaling factor
filter
video
correction value
processor
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
CN202480044060.5A
Other languages
English (en)
Chinese (zh)
Inventor
F·加尔平
P·博尔德斯
T·杜马斯
G·博伊松
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.)
InterDigital CE Patent Holdings SAS
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 CN121420544A publication Critical patent/CN121420544A/zh
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H04N19/82Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation involving filtering within a prediction loop
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods 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
    • H04N19/117Filters, e.g. for pre-processing or post-processing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods 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
    • H04N19/17Methods 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
    • H04N19/176Methods 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46Embedding additional information in the video signal during the compression process

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN202480044060.5A 2023-06-29 2024-06-13 环路滤波器训练改进 Pending CN121420544A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP23306062.3 2023-06-29
EP23306062 2023-06-29
PCT/EP2024/066320 WO2025002821A1 (fr) 2023-06-29 2024-06-13 Amélioration de l'entraînement d'un filtre à boucle

Publications (1)

Publication Number Publication Date
CN121420544A true CN121420544A (zh) 2026-01-27

Family

ID=87429242

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202480044060.5A Pending CN121420544A (zh) 2023-06-29 2024-06-13 环路滤波器训练改进

Country Status (3)

Country Link
EP (1) EP4736432A1 (fr)
CN (1) CN121420544A (fr)
WO (1) WO2025002821A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12143578B2 (en) * 2020-06-04 2024-11-12 Interdigital Ce Patent Holdings, Sas Neural network based filter in video coding
US11743459B2 (en) * 2020-09-29 2023-08-29 Qualcomm Incorporated Filtering process for video coding
WO2022238967A1 (fr) * 2021-05-14 2022-11-17 Nokia Technologies Oy Procédé, appareil et produit programme d'ordinateur pour fournir un réseau neuronal réglé précisément

Also Published As

Publication number Publication date
EP4736432A1 (fr) 2026-05-06
WO2025002821A1 (fr) 2025-01-02

Similar Documents

Publication Publication Date Title
CN116134822A (zh) 用于更新基于深度神经网络的图像或视频解码器的方法和装置
US12587669B2 (en) Motion flow coding for deep learning based YUV video compression
CN114731423A (zh) 预见要添加到亮度映射斜率值的校正值的色度残差缩放
US20250047867A1 (en) Extension of template based intra mode derivation (timd) with isp mode
CN119629345A (zh) 用于视频编码和解码的量化参数预测
KR102817491B1 (ko) 비디오 코딩에서의 조명 보상
CN114270829B (zh) 局部照明补偿标志继承
CN112335240A (zh) 使用可变权重的多参考帧内预测
JP2023516940A (ja) ローカルクロマ量子化パラメータ制御のための高レベルの制約フラグ
CN118975233A (zh) 帧间预测编码单元的帧内模式导出
CN114600450B (zh) 使用位置相关帧内预测组合进行画面编码和解码的方法和设备
CN121792746A (zh) 估计加权预测参数
CN114270858B (zh) 用于视频编码和解码的量化矩阵预测
CN121420544A (zh) 环路滤波器训练改进
CN114128275A (zh) 亮度到色度量化参数表信令
WO2025114337A1 (fr) Prédiction de rapport de réduction d'échelle pour rééchantillonnage d'image de référence
WO2025061505A1 (fr) Filtrage adaptatif dépendant du mode de codage
WO2025067866A1 (fr) Mots de code lmcs implicites
WO2025082854A1 (fr) Correction à contrainte de quantification à partir d'images reconstruites filtrées et non filtrées
WO2026012697A1 (fr) Calcul par entiers de limites de correction pour correction contrainte par quantification
WO2025162700A1 (fr) Codage vidéo de représentation neuronale implicite multi-définition
WO2025108861A1 (fr) Filtre de correction à contrainte de quantification différentielle
CN121359456A (zh) 基于回归的仿射双向预测权重
WO2023194104A1 (fr) Prédiction de mode intra temporelle
JP2025524454A (ja) 予測と残差を混合することによる再構成

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication