Kinetic Temperature Image Modeling from Thermal Infrared Satellite Images

John R. Schott; Joseph D. Biegel

doi:10.1117/12.950675

23 February 1985 Kinetic Temperature Image Modeling from Thermal Infrared Satellite Images

John R. Schott, Joseph D. Biegel

Proceedings Volume 0572, Infrared Technology XI; (1985) https://doi.org/10.1117/12.950675
Event: 29th Annual Technical Symposium, 1985, San Diego, United States

Abstract

A long wave infrared radiance model has been defined that permits modeling of the radiance reaching an aerial or satellite sensor. Given the kinetic temperature and emissivity characteristics of the target and background and the prevailing atmospheric data (e.g. radiosonde) atmospheric transmission (the LOWTRAN transmission code is used to compute integrated transmission as a function of altjtude), upwelled and downwelled path radiance and radiance and contrast at the sensor can be computed. Both Lambertian and specular reflectors can be modeled. The resultant radiance levels were applied to synthetic scenes comprised of silhouettes of ships viewed at various angles and slant paths. By defining certain sensor response functions, the recorded image at the sensor can be modeled. Results are included for viewing in the 8-14 μm region from a fixed altitude AGL through angles from vertical to near horizontal for a single atmosphere.

Citation Download Citation

John R. Schott and Joseph D. Biegel "Kinetic Temperature Image Modeling from Thermal Infrared Satellite Images", Proc. SPIE 0572, Infrared Technology XI, (23 February 1985); https://doi.org/10.1117/12.950675

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KEYWORDS

Sensors

Image sensors

Atmospheric modeling

Atmospheric sensing

Digital imaging

Infrared technology

Satellites

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