This paper presents the results of an experimental investigation on the effects of imaging parameters in coordinate measurements using video probes. In particular, the results show the influence of illumination, objective magnification, measuring window size, use of autofocus and image filtering. The investigation is performed with a video-CMM on two artefacts commonly used for performance verification of optical CMMs: a linear glass scale and an optomechanical hole plate.
Quantification of uncertainty contributors in coordinate measurements using video probes
CARMIGNATO, SIMONE;VOLTAN, ALESSANDRO;SAVIO, ENRICO
2007
Abstract
This paper presents the results of an experimental investigation on the effects of imaging parameters in coordinate measurements using video probes. In particular, the results show the influence of illumination, objective magnification, measuring window size, use of autofocus and image filtering. The investigation is performed with a video-CMM on two artefacts commonly used for performance verification of optical CMMs: a linear glass scale and an optomechanical hole plate.
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