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Calibration procedure for focal plane array cameras and noise equivalent material loss for quantitative thermographic NDT (Articolo in rivista)
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- Calibration procedure for focal plane array cameras and noise equivalent material loss for quantitative thermographic NDT (Articolo in rivista) (literal)
- Anno
- 1997-01-01T00:00:00+01:00 (literal)
- Alternative label
S. Marinetti, X. Maldague, M. Prystay (1997)
Calibration procedure for focal plane array cameras and noise equivalent material loss for quantitative thermographic NDT
in Materials evaluation; AMER SOC NON-DESTRUCTIVE TEST, 1711 ARLINGATE LANE PO BOX 28518, COLUMBUS, OH 43228-0518 (Stati Uniti d'America)
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- S. Marinetti, X. Maldague, M. Prystay (literal)
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- University Laval, Quebec, Quebec, Canada
National Research Council of Canada, Boucherville, Quebec, Canada (literal)
- Titolo
- Calibration procedure for focal plane array cameras and noise equivalent material loss for quantitative thermographic NDT (literal)
- Abstract
- In this paper a complete procedure is proposed for the calibration of a focal plane array in quantitative infrared nondestructive testing (NDT). This procedure includes vignetting correction and gray level conversion into temperature. A noise analysis is also presented in the context of pulsed infrared thermography applied to NDT. In this analysis, we introduce a new parameter, the noise equivalent material loss (NEML). The NEML is a global figure of merit which allows the comparison of different experimental setups for infrared pulsed thermography. Theory, experimental validation of the proposed concepts, and comparison with a few infrared scanning thermal imagers are presented as well. (literal)
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