JP2023543752A - 点群コーデック方法及びシステム、並びに点群エンコーダ及び点群デコーダ - Google Patents

点群コーデック方法及びシステム、並びに点群エンコーダ及び点群デコーダ Download PDF

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JP2023543752A
JP2023543752A JP2023518709A JP2023518709A JP2023543752A JP 2023543752 A JP2023543752 A JP 2023543752A JP 2023518709 A JP2023518709 A JP 2023518709A JP 2023518709 A JP2023518709 A JP 2023518709A JP 2023543752 A JP2023543752 A JP 2023543752A
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point
quantization
point cloud
attribute information
current point
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JP2023543752A5 (https=
JPWO2022062369A5 (https=
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ユアン、ホイ
ワン、シアオホイ
リー、ミン
ワン、ルー
リウ、チー
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Priority claimed from PCT/CN2020/117941 external-priority patent/WO2022061785A1/zh
Priority claimed from PCT/CN2020/138421 external-priority patent/WO2022133752A1/zh
Priority claimed from PCT/CN2020/138423 external-priority patent/WO2022133753A1/zh
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of JP2023543752A publication Critical patent/JP2023543752A/ja
Publication of JP2023543752A5 publication Critical patent/JP2023543752A5/ja
Publication of JPWO2022062369A5 publication Critical patent/JPWO2022062369A5/ja
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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
    • H04N19/124—Quantisation
    • H04N19/126—Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
    • 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
    • H04N19/124—Quantisation
    • 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
    • H04N19/10—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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • 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
    • 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
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive 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
    • H04N19/597—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding specially adapted for multi-view video sequence encoding
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
JP2023518709A 2020-09-25 2021-04-13 点群コーデック方法及びシステム、並びに点群エンコーダ及び点群デコーダ Pending JP2023543752A (ja)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
PCT/CN2020/117941 WO2022061785A1 (zh) 2020-09-25 2020-09-25 点云编码方法、点云解码方法及相关装置
CNPCT/CN2020/117941 2020-09-25
CNPCT/CN2020/138423 2020-12-22
CNPCT/CN2020/138421 2020-12-22
PCT/CN2020/138421 WO2022133752A1 (zh) 2020-12-22 2020-12-22 点云的编码方法、解码方法、编码器以及解码器
PCT/CN2020/138423 WO2022133753A1 (zh) 2020-12-22 2020-12-22 点云编解码方法与系统、及点云编码器与点云解码器
PCT/CN2021/087064 WO2022062369A1 (zh) 2020-09-25 2021-04-13 点云编解码方法与系统、及点云编码器与点云解码器

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JP2023543752A true JP2023543752A (ja) 2023-10-18
JP2023543752A5 JP2023543752A5 (https=) 2024-03-28
JPWO2022062369A5 JPWO2022062369A5 (https=) 2024-03-28

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EP (1) EP4221207A4 (https=)
JP (1) JP2023543752A (https=)
KR (1) KR20230075426A (https=)
CN (1) CN116325731A (https=)
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CN116233426B (zh) * 2021-12-03 2024-05-31 维沃移动通信有限公司 属性量化、反量化方法、装置及设备
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CN119343918A (zh) * 2022-07-07 2025-01-21 Oppo广东移动通信有限公司 点云率失真优化方法及属性压缩方法、装置和存储介质
CN121713478A (zh) * 2023-08-18 2026-03-20 三星电子株式会社 用于量化移位的图像解码方法、图像解码装置、图像编码方法和图像编码装置
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EP4221207A1 (en) 2023-08-02
EP4221207A4 (en) 2024-03-20
KR20230075426A (ko) 2023-05-31
WO2022062369A1 (zh) 2022-03-31
US20230232004A1 (en) 2023-07-20

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