Calibration Of Thermal Imagers

Paul Chevrette

doi:10.1117/12.938640

25 November 1986 Calibration Of Thermal Imagers

Paul Chevrette

Proceedings Volume 0661, Optical Testing and Metrology; (1986) https://doi.org/10.1117/12.938640
Event: 1986 Quebec Symposium, 1986, Quebec City, Canada

Abstract

This document is an attempt to establish and define the parameters of importance for valid calibrated infrared signature data and to lay down guidelines to be adapted to each individual system in order that exchanged data between laboratories could be made useful and comparable. It is assumed that the data gathering instrument is a thermal imager. The initialization of the calibration parameters characterizing the system is discussed, followed by a description of the field calibration procedures. Then the basic equations for image analysis and conversion to radiometric data are presented for a general and ideal case. Three special cases are considered: the effect of ignoring the atmospheric corrections, the effect of having reference blackbodies at a range different from the target, and the effect of using a system with built-in references.

Citation Download Citation

Paul Chevrette "Calibration Of Thermal Imagers", Proc. SPIE 0661, Optical Testing and Metrology, (25 November 1986); https://doi.org/10.1117/12.938640

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