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Proposition of a compensated pixelwise calibration for photonic infrared cameras and comparison to classic calibration procedures: case of thermoelastic stress analysis

Abstract : In this paper, we propose a compensated pixelwise calibration that integrates the effects of the camera housing temperature. The results of this calibration are compared on black body images to classic two points Non Uniformity Correction based calibrations, compensated or not. It is shown that the proposed approach leads to a significant improvement in the thermal resolution with a reduction in the mean error as well as the standard deviation. The approach is finally challenged on a real case measurement focusing on thermoelasticity. The gain in terms of accuracy measurement is highlighted by comparing the proposed calibration to classic calibrations and the scope of interest of this new calibration is discussed.
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https://hal.archives-ouvertes.fr/hal-01457004
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Submitted on : Monday, February 6, 2017 - 10:56:00 AM
Last modification on : Wednesday, April 27, 2022 - 6:04:01 PM

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V. Le Saux, Cédric Doudard. Proposition of a compensated pixelwise calibration for photonic infrared cameras and comparison to classic calibration procedures: case of thermoelastic stress analysis. Infrared Physics and Technology, Elsevier, 2017, pp.83-92. ⟨10.1016/j.infrared.2016.11.008⟩. ⟨hal-01457004⟩

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