Software to Determine Sphere Center from Terrestrial Laser Scanner Data per ASTM Standard E3125-17-Reference-Cited by-同舟云学术

Software to Determine Sphere Center from Terrestrial Laser Scanner Data per ASTM Standard E3125-17

Published:2018-07-12 Issue: Volume:123 Page:
ISSN:2165-7254
Container-title:Journal of Research of the National Institute of Standards and Technology
language:en
Short-container-title:J. RES. NATL. INST. STAN.

Author:

Rachakonda Prem¹,Muralikrishnan Bala¹,Cournoyer Luc²,Sawyer Daniel¹

Affiliation:

1. National Institute of Standards and Technology, Physical Measurement Laboratory, Gaithersburg, MD 20899, USA

2. National Research Council of Canada, Ottawa, ON K1A 0R6, Canada

Abstract

Terrestrial laser scanners (TLSs) are instruments that can measure 3D coordinates of objects at high speed using a laser, resulting in high density 3D point cloud data. The Dimensional Metrology Group (DMG) at NIST performed research to support the development of documentary standards within ASTM E57 committee on 3D imaging systems. This led to the publication of the ASTM E3125-2017 standard on point-to-point distance performance evaluation of 3D imaging systems such as TLSs. To ensure that the data from different TLS systems are processed identically, the ASTM E3125- 2017 mandates the use of a common algorithm to determine the center of a sphere from point cloud data. This paper describes this algorithm and software code is provided as a download.

Funder

Physical Measurement Laboratory

Publisher

National Institute of Standards and Technology (NIST)

Subject

General Engineering

Reference2 articles.

1. Standard Test Method for Evaluating the Point-to-Point Distance Measurement Performance of Spherical Coordinate 3D Imaging Systems in the Medium Range

2. Methods and considerations to determine sphere center from terrestrial laser scanner point cloud data

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