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Calibration and performance evaluation of a 3-D imaging sensor based on the projection of structured light

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3 Author(s)
Sansoni, G. ; Dipt. di Elettronica per l''Autom., Brescia Univ., Italy ; Carocci, M. ; Rodella, R.

In this paper, the procedure developed to calibrate a whole-field optical profilometer and the evaluation of the measurement performance of the system are presented. The sensor is based on the projection of structured light and on active triangulation. The dependence of the measurements on the geometric parameters of the system is shown, as well as the criterion to calibrate the system. From the extensive set or experiments carried out to evaluate the measurement performance, good linearity has been observed, and an overall mean value of the measurement error equal to 40 μm, with a variability of about ±35 μm has been estimated

Published in:

Instrumentation and Measurement, IEEE Transactions on  (Volume:49 ,  Issue: 3 )

Date of Publication:

Jun 2000

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