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Practical testing of the precision and accuracy of target image centering algorithms

Shortis, MR; Clarke, TA; Robson, S; (1995) Practical testing of the precision and accuracy of target image centering algorithms. In: (pp. pp. 65-76).

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Abstract

Close range photogrammetry and vision metrology often use signalized points in the form of active or passive targets. Many theoretical and some practical tests of different target image centering algorithms have been carried out. This paper will describe the empirical testing of several such algorithms using real data acquired for industrial measurement projects and camera calibrations. The precision and accuracy of the centering algorithms will be characterized by analysis of self calibrating network solutions using multiple camera stations and a target array. Particular emphasis will be placed on the comparison between centroiding and ellipse fitting to locate target image center. ©2004 Copyright SPIE - The International Society for Optical Engineering.

Type: Proceedings paper
Title: Practical testing of the precision and accuracy of target image centering algorithms
DOI: 10.1117/12.220925
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng
URI: http://discovery.ucl.ac.uk/id/eprint/43934
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