Temperature correction of radiometric and geometric models for an uncooled CCD camera in the near infrared

Abstract : This paper presents radiometric and geometric models for both temperature and displacement noncontact measurements using an uncooled charge-coupled device (CCD) video camera. Such techniques (''one sensor-two measures'') represent an interest in many industrial low cost applications and scientific domains. To benefit from both measurements, we have to use the camera's spectral response in the near infrared spectral band from 0.75 to 1.1 mum. In this spectral band, the temperature variations of an uncooled CCD camera are taken into account in the radiometric and geometric models. By using physical models for CCD camera, we quantify detector's quantum efficiency, sensor noise and spatial resolution as a function of the wavelength and of the detector temperature. These models are confirmed by experimental results of calibration with a low cost uncooled camera based on a Sony detector and operating over the detector temperature range of -30 to -50degrees.
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Thierry Sentenac, Yannick Le Maoult, G Rolland, M Devy. Temperature correction of radiometric and geometric models for an uncooled CCD camera in the near infrared. IEEE Transactions on Instrumentation and Measurement, Institute of Electrical and Electronics Engineers, 2003, 52 (1), pp.46-60. ⟨10.1109/TIM.2003.809103⟩. ⟨hal-01717324⟩

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