In random sample consensus (RANSAC), the problem of ellipsoid fitting can be formulated
as a problem of minimization of point-to-model distance, which is realized by maximizing …

With the emergence of relatively low-cost real-time 3D imaging sensors, new applications for
suites of 3D sensors are becoming practical. For example, 3D sensors in an industrial …

In industrial measurement and laboratory research, many measured objects are placed on
the three-axis turntable. In this paper, we propose a fast and practical method to determine …

Abstract The Dimensional Metrology Group at the National Institute of Standards and
Technology is performing research to support the development of documentary standards …

The use of 3D digitizing tools is becoming the base for subject-specific products, such as the
orthopaedic production process of orthoses and prostheses. This paper aims at comparing …

The sphere target played a vital role in terrestrial LiDAR applications, and solving its
geometrical center based on point cloud was a widely concerned problem. In this study, we …

Spheres are popular geometric primitives found in many manufactured objects. However,
sphere fitting and extraction have not been investigated in depth. In this paper, a robust …

This paper describes ongoing research work at the National Institute of Standards and
Technology (NIST) in support of the development of a documentary standard for derived …

Abstract The Intelligent and Automated Construction Job Site (IACJS) Testbed is a large
laboratory facility that was established at the National Institute of Standards and Technology …

Multiple scans of the same object acquired with a 3-D imaging system (eg, a laser scanner)
under the same experimental conditions could provide valuable information about the …