Evaluation of a charge-coupled-device-based video sensor for aircraft cargo surveillance

Abstract : We present a new video sensor for multimeasurements in an aircraft cargo compartment called a video sensor unit (VSU). This sensor, based on CCD technology, operates in the near IR (NIR) spectral band to measure temperatures due to overheating and fire events. After a characterization of the measurement chain, a radiometric model is applied to the VSU, enabling the measurement of temperatures ranging from 350 to 900 degreesC with a noise equivalent temperature difference (NETD) lower than +/- 8 degreesC. In the same spectral band (NIR), the VSU can also detect smoke and 3-D load displacements. The geometric model of the VSU is described and the associated calibration procedure is presented.
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Thierry Sentenac, Yannick Le Maoult, Jean-José Orteu, G Boucourt. Evaluation of a charge-coupled-device-based video sensor for aircraft cargo surveillance. Optical Engineering, SPIE, 2002, 41 (4), pp.796-810. ⟨10.1117/1.1459450⟩. ⟨hal-01644901⟩



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