JP7633172B2 - 三次元データ符号化方法、三次元データ復号方法、三次元データ符号化装置、及び三次元データ復号装置 - Google Patents

三次元データ符号化方法、三次元データ復号方法、三次元データ符号化装置、及び三次元データ復号装置 Download PDF

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JP7633172B2
JP7633172B2 JP2021551729A JP2021551729A JP7633172B2 JP 7633172 B2 JP7633172 B2 JP 7633172B2 JP 2021551729 A JP2021551729 A JP 2021551729A JP 2021551729 A JP2021551729 A JP 2021551729A JP 7633172 B2 JP7633172 B2 JP 7633172B2
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敏康 杉尾
賀敬 井口
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Panasonic Intellectual Property Corp of America
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    • 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
    • H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three-dimensional [3D] modelling for computer graphics
    • G—PHYSICS
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    • G06T9/00—Image coding
    • G06T9/001—Model-based coding, e.g. wire frame
    • G—PHYSICS
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    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/004—Predictors, e.g. intraframe, interframe coding
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    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/40—Tree coding, e.g. quadtree, octree
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    • 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
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • 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
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
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JP2021551729A 2019-10-09 2020-10-09 三次元データ符号化方法、三次元データ復号方法、三次元データ符号化装置、及び三次元データ復号装置 Active JP7633172B2 (ja)

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PCT/JP2020/038359 WO2021070952A1 (ja) 2019-10-09 2020-10-09 三次元データ符号化方法、三次元データ復号方法、三次元データ符号化装置、及び三次元データ復号装置

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WO2021261499A1 (ja) * 2020-06-22 2021-12-30 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 三次元データ符号化方法、三次元データ復号方法、三次元データ符号化装置、及び三次元データ復号装置
WO2022025278A1 (ja) * 2020-07-31 2022-02-03 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 三次元データ符号化方法、三次元データ復号方法、三次元データ符号化装置、及び三次元データ復号装置
WO2022062369A1 (zh) 2020-09-25 2022-03-31 Oppo广东移动通信有限公司 点云编解码方法与系统、及点云编码器与点云解码器
US12033360B2 (en) 2020-10-05 2024-07-09 Qualcomm Incorporated Clipping laser indices in predictive geometry coding for point cloud compression
JP7678112B2 (ja) * 2020-12-22 2025-05-15 オッポ広東移動通信有限公司 点群の符号化方法、復号化方法、エンコーダ及びデコーダ
US12493293B2 (en) * 2021-03-31 2025-12-09 Denso Corporation Multi-dimensional extended trajectory planning with changing dimensionality based on horizon steps
BR112023020363A2 (pt) * 2021-04-21 2023-11-21 Panasonic Ip Corp America Método de codificação de dados tridimensional, método de decodificação de dados tridimensional, dispositivo de codificação de dados tridimensional, e dispositivo de decodificação de dados tridimensional
CN115102935B (zh) * 2022-06-17 2024-02-09 腾讯科技（深圳）有限公司 一种点云编码方法、点云解码方法及相关设备
CN115361563B (zh) * 2022-07-07 2024-10-18 华南理工大学 H.264加密及密文域信息隐藏方法、装置及存储介质
CN115379191B (zh) * 2022-08-22 2024-03-19 腾讯科技（深圳）有限公司 一种点云解码方法、点云编码方法及相关设备

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US12581117B2 (en) 2026-03-17
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JP2025065349A (ja) 2025-04-17
WO2021070952A1 (ja) 2021-04-15
CN114467119A (zh) 2022-05-10
US12047605B2 (en) 2024-07-23
JP7812949B2 (ja) 2026-02-10

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