Applied methods of testing and evaluation for IR imaging system

Xiao-yue Liao; Jin Lu

doi:10.1117/12.836343

4 August 2009 Applied methods of testing and evaluation for IR imaging system

Xiao-yue Liao, Jin Lu

Proceedings Volume 7383, International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications; 73832Z (2009) https://doi.org/10.1117/12.836343
Event: International Symposium on Photoelectronic Detection and Imaging 2009, 2009, Beijing, China

Abstract

Different methods of testing and evaluation for IR imaging system are used with the application of the 2nd and the 3rd generation infrared detectors. The performance of IR imaging system can be reflected by many specifications, such as Noise Equivalent Temperature Difference (NETD), Nonuniformity, system Modulation Transfer Function (MTF), Minimum Resolvable Temperature Difference (MRTD), and Minimum Detectable Temperature Difference (MRTD) etc. The sensitivity of IR sensors is estimated by NETD. The sensitivity of thermal imaging sensors and space resolution are evaluated by MRTD, which is the chief specification of system. In this paper, the theoretical analysis of different testing methods is introduced. The characteristics of them are analyzed and compared. Based on discussing the factors that affect measurement results, an applied method of testing NETD and MRTD for IR system is proposed.

Citation Download Citation

Xiao-yue Liao and Jin Lu "Applied methods of testing and evaluation for IR imaging system", Proc. SPIE 7383, International Symposium on Photoelectronic Detection and Imaging 2009: Advances in Infrared Imaging and Applications, 73832Z (4 August 2009); https://doi.org/10.1117/12.836343

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KEYWORDS

Minimum resolvable temperature difference

Imaging systems

Infrared imaging

Sensors

Thermography

Modulation transfer functions

Image sensors

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