A Size Measurement Algorithm Based on Multiple RGB-D Cameras and MA-PNV

Jinbo Zhang, Yutong Zhang, Ding Yan*, Jiayuan Shan, Zhaodi Wang, Pingping Wu

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

Fast size measurement is widely used in many fields, such as airport security inspection, logistics classification and so on. In order to reduce the measurement error and enhance the measurement speed, we design a fast size measurement system based on multiple RGB-D cameras and a main axis calculation mechanism based on the distribution of pointcloud normal vectors (MA-PNV) is proposed. In our algorithm, the pointcloud of the object is acquired through coordinate transformation and background subtraction. After statistical outlier removal, the normal vectors of the pointcloud is obtained by the local surface fitting. Then the main axis is calculated based on MA-PNV and size measurement of the object is accomplished. Experimental evaluation is carried out on objects with different shapes, colors and under different illumination conditions. The results illustrate that our algorithm is effective for fast size measurement.

Original languageEnglish
Title of host publicationProceedings of the 2nd International Conference on Computing and Data Science, CONF-CDS 2021
PublisherAssociation for Computing Machinery
ISBN (Electronic)9781450389570
DOIs
Publication statusPublished - 28 Jan 2021
Event2nd International Conference on Computing and Data Science, CONF-CDS 2021 - Stanford, United States
Duration: 28 Jan 202130 Jan 2021

Publication series

NameACM International Conference Proceeding Series
VolumePartF168982

Conference

Conference2nd International Conference on Computing and Data Science, CONF-CDS 2021
Country/TerritoryUnited States
CityStanford
Period28/01/2130/01/21

Keywords

  • MA-PNV
  • RGB-D cameras
  • Size measurement
  • pointcloud stitching

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