CN114008676A - 一种点云分割方法及设备、计算机可读存储介质 - Google Patents

一种点云分割方法及设备、计算机可读存储介质 Download PDF

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Publication number
CN114008676A
CN114008676A CN201980097768.6A CN201980097768A CN114008676A CN 114008676 A CN114008676 A CN 114008676A CN 201980097768 A CN201980097768 A CN 201980097768A CN 114008676 A CN114008676 A CN 114008676A
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CN201980097768.6A
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张伟
杨付正
万帅
马彦卓
霍俊彦
张苏军
孙泽星
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Guangdong Oppo Mobile Telecommunications Corp Ltd
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Publication of CN114008676A publication Critical patent/CN114008676A/zh
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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
    • H04N19/119—Adaptive subdivision aspects, e.g. subdivision of a picture into rectangular or non-rectangular coding blocks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/12—Edge-based segmentation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
    • 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
    • H04N19/174—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 the region being a slice, e.g. a line of blocks or a group of blocks
    • 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

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Computer Graphics (AREA)
  • Geometry (AREA)
  • Software Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

本申请实施例提供了一种点云分割方法及设备、计算机可读存储介质，包括：使用沿最长边进行条带划分时，根据预设块的大小，对初始分割位置进行调整或确定条带的划分长度，以得到条带划分位置，其中，前n‑1个条带沿最长边的长度为预设块边长的整数倍，n为划分的条带的数量，且n大于等于2的正整数。

Description

PCT国内申请，说明书已公开。

Claims (29)

  1. PCT国内申请，权利要求书已公开。
CN201980097768.6A 2019-07-01 2019-07-01 一种点云分割方法及设备、计算机可读存储介质 Pending CN114008676A (zh)

Applications Claiming Priority (1)

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PCT/CN2019/094287 WO2021000240A1 (zh) 2019-07-01 2019-07-01 一种点云分割方法及设备、计算机可读存储介质

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CN114008676A true CN114008676A (zh) 2022-02-01

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US (2) US11854207B2 (zh)
EP (1) EP3975130A4 (zh)
CN (1) CN114008676A (zh)
WO (1) WO2021000240A1 (zh)

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Publication number Priority date Publication date Assignee Title
EP3979209A4 (en) * 2019-07-01 2022-11-16 Guangdong Oppo Mobile Telecommunications Corp., Ltd. METHOD OF RECOVERING A POINT CLOUD MODEL, ENCODER, DECODER AND STORAGE MEDIA
CN113011113B (zh) * 2021-03-23 2022-04-05 中国空气动力研究与发展中心计算空气动力研究所 一种离散点云重复点快速查找方法
CN113341396B (zh) * 2021-05-28 2023-12-15 深圳市优必选科技股份有限公司 机器人及其充电桩识别方法和装置
CN114596196A (zh) * 2022-03-04 2022-06-07 北京百度网讯科技有限公司 点云数据的滤波方法和装置、设备以及存储介质

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KR102238693B1 (ko) * 2014-06-20 2021-04-09 삼성전자주식회사 포인트 클라우드에서 특징 영역을 추출하는 방법 및 장치
CN105631920B (zh) * 2014-10-31 2018-07-06 北京临近空间飞行器系统工程研究所 一种径向基函数支撑点的样本精简方法
GB2535190A (en) * 2015-02-12 2016-08-17 Nokia Technologies Oy A method, a system, an apparatus and a computer program product for image-based retrieval
US10580114B2 (en) * 2017-03-29 2020-03-03 Zhijing George Mou Methods and systems for real time 3D-space search and point-cloud registration using a dimension-shuffle transform
CN108322742B (zh) 2018-02-11 2019-08-16 北京大学深圳研究生院 一种基于帧内预测的点云属性压缩方法
CN108632621B (zh) 2018-05-09 2019-07-02 北京大学深圳研究生院 一种基于层次划分的点云属性压缩方法
US10809073B2 (en) * 2018-12-05 2020-10-20 Here Global B.V. Local window-based 2D occupancy grids for localization of autonomous vehicles

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EP3975130A4 (en) 2022-06-22
EP3975130A1 (en) 2022-03-30
WO2021000240A1 (zh) 2021-01-07
US11854207B2 (en) 2023-12-26
US20220122265A1 (en) 2022-04-21
US20240070872A1 (en) 2024-02-29

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