CN118613832A - 三维数据编码方法、三维数据解码方法、三维数据编码装置及三维数据解码装置 - Google Patents

三维数据编码方法、三维数据解码方法、三维数据编码装置及三维数据解码装置 Download PDF

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Publication number
CN118613832A
CN118613832A CN202280078761.1A CN202280078761A CN118613832A CN 118613832 A CN118613832 A CN 118613832A CN 202280078761 A CN202280078761 A CN 202280078761A CN 118613832 A CN118613832 A CN 118613832A
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dimensional
point
point group
dimensional data
reference point
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CN202280078761.1A
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Chinese (zh)
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西孝启
杉尾敏康
井口贺敬
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Panasonic Intellectual Property Corp of America
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Panasonic Intellectual Property Corp of America
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/001—Model-based coding, e.g. wire frame
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/004—Predictors, e.g. intraframe, interframe coding
    • 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
    • H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51—Motion estimation or motion compensation
    • H04N19/537—Motion estimation other than block-based
    • H04N19/54—Motion estimation other than block-based using feature points or meshes
    • 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
    • H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Image Processing (AREA)
CN202280078761.1A 2021-12-09 2022-10-24 三维数据编码方法、三维数据解码方法、三维数据编码装置及三维数据解码装置 Pending CN118613832A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US202163287624P 2021-12-09 2021-12-09
US63/287,624 2021-12-09
PCT/JP2022/039448 WO2023105954A1 (ja) 2021-12-09 2022-10-24 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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CN118613832A true CN118613832A (zh) 2024-09-06

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US (1) US20240320864A1 (https=)
EP (1) EP4446992A4 (https=)
JP (1) JPWO2023105954A1 (https=)
KR (1) KR20240121725A (https=)
CN (1) CN118613832A (https=)
MX (1) MX2024006115A (https=)
WO (1) WO2023105954A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240357160A1 (en) * 2023-04-24 2024-10-24 Tencent America LLC Inter coding in mesh compression
WO2025080438A1 (en) * 2023-10-10 2025-04-17 Interdigital Vc Holdings, Inc. Intra frame dynamics for lidar point cloud compression
JP2025173015A (ja) * 2024-05-14 2025-11-27 キヤノン株式会社 符号化装置、復号化装置、符号化方法、復号化方法、およびプログラム

Family Cites Families (3)

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Publication number Priority date Publication date Assignee Title
CN104246831B (zh) 2012-07-30 2016-12-28 三菱电机株式会社 地图显示装置
US11297346B2 (en) * 2016-05-28 2022-04-05 Microsoft Technology Licensing, Llc Motion-compensated compression of dynamic voxelized point clouds
US11202078B2 (en) * 2019-09-27 2021-12-14 Apple Inc. Dynamic point cloud compression using inter-prediction

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US20240320864A1 (en) 2024-09-26
JPWO2023105954A1 (https=) 2023-06-15
EP4446992A4 (en) 2025-04-09
EP4446992A1 (en) 2024-10-16
WO2023105954A1 (ja) 2023-06-15
MX2024006115A (es) 2024-05-30
KR20240121725A (ko) 2024-08-09

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