BR112020020003A2 - método e dispositivo para codificar a geometria de uma nuvem de pontos - Google Patents

método e dispositivo para codificar a geometria de uma nuvem de pontos Download PDF

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Publication number
BR112020020003A2
BR112020020003A2 BR112020020003-4A BR112020020003A BR112020020003A2 BR 112020020003 A2 BR112020020003 A2 BR 112020020003A2 BR 112020020003 A BR112020020003 A BR 112020020003A BR 112020020003 A2 BR112020020003 A2 BR 112020020003A2
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BR
Brazil
Prior art keywords
depth
image
values
bitstream
encoded
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BR112020020003-4A
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English (en)
Portuguese (pt)
Inventor
Celine GUEDE
Joan Llach Pinsach
Kangying Cai
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Interdigital Vc Holdings, Inc.
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Application filed by Interdigital Vc Holdings, Inc. filed Critical Interdigital Vc Holdings, Inc.
Publication of BR112020020003A2 publication Critical patent/BR112020020003A2/pt

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/50—Depth or shape recovery
    • 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
    • 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
    • H04N19/132—Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/147—Data rate or code amount at the encoder output according to rate distortion criteria
    • 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
    • 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
    • H04N19/182—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 a pixel
    • 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
    • H04N19/20—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video object 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10028—Range image; Depth image; 3D point clouds

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
BR112020020003-4A 2018-04-11 2019-04-01 método e dispositivo para codificar a geometria de uma nuvem de pontos BR112020020003A2 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP18305438.6A EP3554082A1 (en) 2018-04-11 2018-04-11 A method and device for coding the geometry of a point cloud
EP18305438.6 2018-04-11
PCT/US2019/025142 WO2019199512A1 (en) 2018-04-11 2019-04-01 A method and device for coding the geometry of a point cloud

Publications (1)

Publication Number Publication Date
BR112020020003A2 true BR112020020003A2 (pt) 2021-01-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
BR112020020003-4A BR112020020003A2 (pt) 2018-04-11 2019-04-01 método e dispositivo para codificar a geometria de uma nuvem de pontos

Country Status (9)

Country Link
US (3) US11477481B2 (https=)
EP (3) EP3554082A1 (https=)
JP (3) JP7488189B2 (https=)
KR (2) KR20250124249A (https=)
CN (2) CN118784849A (https=)
BR (1) BR112020020003A2 (https=)
DK (1) DK3777181T3 (https=)
RU (1) RU2769719C1 (https=)
WO (1) WO2019199512A1 (https=)

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EP3777182B1 (en) * 2018-04-11 2025-07-30 InterDigital VC Holdings, Inc. A method and apparatus for encoding/decoding a point cloud representing a 3d object
JP7438993B2 (ja) 2018-07-11 2024-02-27 インターデジタル ヴイシー ホールディングス， インコーポレイテッド 点群のジオメトリを符号化／復号する方法及び装置
CN112673399B (zh) 2018-07-11 2024-09-03 交互数字Vc控股公司 对点云的点的纹理进行编码/解码的方法
WO2020230710A1 (ja) * 2019-05-10 2020-11-19 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
CN118945395A (zh) 2020-01-07 2024-11-12 Lg电子株式会社 对点云数据进行编解码的方法和装置
CN111340899B (zh) * 2020-02-14 2022-09-06 福州大学 一种彩色点云的压缩采样及重构方法
EP4277284A4 (en) * 2021-01-06 2024-11-20 LG Electronics Inc. POINT CLOUD DATA TRANSMISSION DEVICE, POINT CLOUD DATA TRANSMISSION METHOD, POINT CLOUD DATA RECEIVING DEVICE, AND POINT CLOUD DATA RECEIVING METHOD
CN118433401A (zh) * 2021-02-08 2024-08-02 荣耀终端有限公司 基于二维规则化平面投影的点云编解码方法及装置
CN115150384B (zh) * 2021-03-31 2023-08-18 腾讯科技（深圳）有限公司 点云编解码方法、装置、计算机可读介质及电子设备
CN117581541A (zh) * 2021-07-05 2024-02-20 Lg 电子株式会社 点云数据发送设备、点云数据发送方法、点云数据接收设备和点云数据接收方法
KR20240047385A (ko) * 2021-10-08 2024-04-12 엘지전자 주식회사 포인트 클라우드 데이터 송신 방법, 포인트 클라우드 데이터 송신 장치, 포인트 클라우드 데이터 수신 방법 및 포인트 클라우드 데이터 수신 장치

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Publication number Publication date
KR20250124249A (ko) 2025-08-19
JP2025157294A (ja) 2025-10-15
JP2024112840A (ja) 2024-08-21
JP2021518689A (ja) 2021-08-02
CN111971969A (zh) 2020-11-20
JP7488189B2 (ja) 2024-05-21
EP3777181B1 (en) 2025-10-08
KR102842656B1 (ko) 2025-08-05
US11477481B2 (en) 2022-10-18
US11838547B2 (en) 2023-12-05
EP3554082A1 (en) 2019-10-16
CN111971969B (zh) 2024-07-02
JP7707364B2 (ja) 2025-07-14
RU2769719C1 (ru) 2022-04-05
US20240073453A1 (en) 2024-02-29
EP4593381A3 (en) 2025-10-15
KR20200141448A (ko) 2020-12-18
EP4593381A2 (en) 2025-07-30
EP3777181A1 (en) 2021-02-17
US20230026080A1 (en) 2023-01-26
CN118784849A (zh) 2024-10-15
WO2019199512A1 (en) 2019-10-17
DK3777181T3 (da) 2025-11-03
US20210152849A1 (en) 2021-05-20

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