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Proceedings Article

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

[+] Author Affiliations
Mark R. Shortis

Univ. of Melbourne (Australia)

Timothy A. Clarke, Stuart Robson

City Univ. London (United Kingdom)

Proc. SPIE 2598, Videometrics IV, 65 (September 13, 1995); doi:10.1117/12.220925
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From Conference Volume 2598

  • Videometrics IV
  • Sabry F. El-Hakim
  • Philadelphia, PA | October 22, 1995

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.

© (1995) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Mark R. Shortis ; Timothy A. Clarke and Stuart Robson
"Practical testing of the precision and accuracy of target image centering algorithms", Proc. SPIE 2598, Videometrics IV, 65 (September 13, 1995); doi:10.1117/12.220925; http://dx.doi.org/10.1117/12.220925


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