Articles | Volume 5, issue 1
Special issue:
Regular research article
15 Jan 2016
Regular research article |  | 15 Jan 2016

Shutter-less calibration of uncooled infrared cameras

A. Tempelhahn, H. Budzier, V. Krause, and G. Gerlach

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Cited articles

Bevington, P. R. and Keith Robinson, D.: Data Reduction and Error Analysis for the Physical Sciences, 2nd Edn., McGraw-Hill, New York, 1992.
Budzier, H.: Radiometrische Kalibrierung ungekühlter Infrarot-Kameras, Habilitationsschrift, Technische Universität, Fakultät Elektrotechnik und Informationstechnik, Dresdner Beiträge zur Sensorik, TUDpress, Dresden, Band 51, 2014 (in German).
Budzier, H. and Gerlach, G.: Thermal Infrared Sensors, Theory, optimisation and practice, Wiley, Hoboken, NJ., USA, Chichester, UK, 2011.
Budzier, H. and Gerlach, G.: Calibration of uncooled thermal infrared cameras, J. Sensors and Sensor Systems, 4, 187–197, 2015.
Hoelter, T., Kathman, A., Richards, A., and Walters, M.: Key Technology Trends and Emerging Applications for Compact Thermal Imagers, AMA Conferences 2015, Nürnberg, Germany, 19–21 May 2015, 938–943,, 2015.
Short summary
Infrared cameras based on microbolometer focal plane arrays (FPAs) are the most widely used cameras in thermography. For acceptable measurement uncertainty values, the disturbing influences of changing ambient temperature have to be considered. We propose a TEC-less and shutter-less correction approach based on additional temperature measurements inside the IR camera. The effects on the pixel responsivity and offset voltage are considered separately.
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