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Sensors 2009, 9(6), 4178-4194; doi:10.3390/s90604178

Metric Potential of a 3D Measurement System Based on Digital Compact Cameras

1
Geomatics Engineering Research Group. University of León, Avda. Astorga s/n, 24400 Ponferrada, Spain
2
Department of Natural Resources and Environmental Engineering. University of Vigo, Campus Universitario As Lagoas-Marcosende s/n, 36200 Vigo, Spain
*
Author to whom correspondence should be addressed.
Received: 28 April 2009 / Revised: 17 May 2009 / Accepted: 25 May 2009 / Published: 3 June 2009
(This article belongs to the Section Remote Sensors)
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Abstract

This paper presents an optical measuring system based on low cost, high resolution digital cameras. Once the cameras are synchronised, the portable and adjustable system can be used to observe living beings, bodies in motion, or deformations of very different sizes. Each of the cameras has been modelled individually and studied with regard to the photogrammetric potential of the system. We have investigated the photogrammetric precision obtained from the crossing of rays, the repeatability of results, and the accuracy of the coordinates obtained. Systematic and random errors are identified in validity assessment of the definition of the precision of the system from crossing of rays or from marking residuals in images. The results have clearly demonstrated the capability of a low-cost multiple-camera system to measure with sub-millimetre precision. View Full-Text
Keywords: digital camera; photogrammetry; 3D measurement digital camera; photogrammetry; 3D measurement
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Sanz-Ablanedo, E.; Rodríguez-Pérez, J.R.; Arias-Sánchez, P.; Armesto, J. Metric Potential of a 3D Measurement System Based on Digital Compact Cameras. Sensors 2009, 9, 4178-4194.

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