BR112023012466A2 - Métodos de codificação e de decodificação de uma nuvem de pontos, e, dispositivo eletrônico - Google Patents

Métodos de codificação e de decodificação de uma nuvem de pontos, e, dispositivo eletrônico

Info

Publication number
BR112023012466A2
BR112023012466A2 BR112023012466A BR112023012466A BR112023012466A2 BR 112023012466 A2 BR112023012466 A2 BR 112023012466A2 BR 112023012466 A BR112023012466 A BR 112023012466A BR 112023012466 A BR112023012466 A BR 112023012466A BR 112023012466 A2 BR112023012466 A2 BR 112023012466A2
Authority
BR
Brazil
Prior art keywords
point cloud
encoding
point
electronic device
decoding
Prior art date
Application number
BR112023012466A
Other languages
English (en)
Inventor
Jonathan Taquet
Sebastien Lasserre
Original Assignee
Beijing Xiaomi Mobile Software Co Ltd
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 Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Publication of BR112023012466A2 publication Critical patent/BR112023012466A2/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/40—Tree coding, e.g. quadtree, octree
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • H04N19/124—Quantisation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/42—Simultaneous measurement of distance and other co-ordinates
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes
    • G01S17/931—Lidar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
    • G01S7/4815—Constructional features, e.g. arrangements of optical elements of transmitters alone using multiple transmitters
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/001—Model-based coding, e.g. wire frame
    • 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
    • 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
    • H04N19/50—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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

métodos de codificação e de decodificação de umanuvem de pontos, e, dispositivo eletrônico. são providos métodos e aparelhos de codificação/decodificação de uma nuvem de pontos para/de um fluxo de bits de dados de nuvem de pontos codificados representando um objeto físico, cada ponto da nuvem de pontos está associado a coordenadas esféricas representando um ângulo azimutal responsivo a um ângulo de captura de um sensor que capturou o ponto e um raio responsivo a uma distância do ponto a um referencial. o método de codificação compreende a quantização adaptativa de um ângulo azimutal de erro residual, derivado do ângulo azimutal, com base no raio.
BR112023012466A 2020-12-23 2021-10-14 Métodos de codificação e de decodificação de uma nuvem de pontos, e, dispositivo eletrônico BR112023012466A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP20306674.1A EP4020397A1 (en) 2020-12-23 2020-12-23 Method and apparatus of quantizing spherical coorinates used for encoding/decoding point cloud geometry data
PCT/CN2021/123908 WO2022134761A1 (en) 2020-12-23 2021-10-14 Method and apparatus of quantizing spherical coorinates used for encoding/decoding point cloud geometry data

Publications (1)

Publication Number Publication Date
BR112023012466A2 true BR112023012466A2 (pt) 2023-09-26

Family

ID=75441693

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112023012466A BR112023012466A2 (pt) 2020-12-23 2021-10-14 Métodos de codificação e de decodificação de uma nuvem de pontos, e, dispositivo eletrônico

Country Status (7)

Country Link
US (1) US20240046528A1 (pt)
EP (1) EP4020397A1 (pt)
JP (1) JP2024500486A (pt)
KR (1) KR20230121865A (pt)
CN (1) CN116670712A (pt)
BR (1) BR112023012466A2 (pt)
WO (1) WO2022134761A1 (pt)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8503825B2 (en) * 2004-05-06 2013-08-06 Christopher L. Kavanau Method and system for aligning and classifying images
CN111373758B (zh) * 2019-01-15 2023-05-12 深圳市大疆创新科技有限公司 三维数据点的编解码方法和装置
WO2020248177A1 (zh) * 2019-06-12 2020-12-17 浙江大学 点云的编解码方法及装置
WO2020248187A1 (zh) * 2019-06-13 2020-12-17 深圳市大疆创新科技有限公司 一种点云编码方法、点云解码方法及相关设备

Also Published As

Publication number Publication date
KR20230121865A (ko) 2023-08-21
CN116670712A (zh) 2023-08-29
EP4020397A1 (en) 2022-06-29
JP2024500486A (ja) 2024-01-09
US20240046528A1 (en) 2024-02-08
WO2022134761A1 (en) 2022-06-30

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