Calibration and characterization of a COTS thermal camera for space

Jain, Abhilasha; Sahoo, Dhananjay; Sarvani, B S R; Sukumar, Karthik; Gupta, Ritvik; Boratkar, Adheesh

doi:10.1109/aero.2016.7500657

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2020

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“…Integrated TECs increase the price of the microbolometers and, therefore, to the best of the authors' knowledge, they are not normally included in low-cost sensors. Alternatively, external references with controlled temperatures, such as Peltier devices, could be used in the system setup without a substantial price increment [51,52].…”

Section: Discussionmentioning

confidence: 99%

Performance Assessment of Low-Cost Thermal Cameras for Medical Applications

Villa

Arteaga-Marrero

Ruiz-Alzola

2020

Sensors

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Thermal imaging is a promising technology in the medical field. Recent developments in low-cost infrared (IR) sensors, compatible with smartphones, provide competitive advantages for home-monitoring applications. However, these sensors present reduced capabilities compared to more expensive high-end devices. In this work, the characterization of thermal cameras is described and carried out. This characterization includes non-uniformity (NU) effects and correction as well as the thermal cameras’ dependence on room temperature, noise-equivalent temperature difference (NETD), and response curve stability with temperature. Results show that low-cost thermal cameras offer good performance, especially when used in temperature-controlled environments, providing evidence of the suitability of such sensors for medical applications, particularly in the assessment of diabetic foot ulcers on which we focused this study.

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Section: Discussionmentioning

confidence: 99%