Contrast analysis of space-based Earth observation infrared system

Xiaoyu He; Xiaojian Xu

doi:10.1117/12.2067106

7 October 2014 Contrast analysis of space-based Earth observation infrared system

Xiaoyu He, Xiaojian Xu

Author Affiliations +

Proceedings Volume 9249, Electro-Optical and Infrared Systems: Technology and Applications XI; 92490F (2014) https://doi.org/10.1117/12.2067106
Event: SPIE Security + Defence, 2014, Amsterdam, Netherlands

Abstract

In this work, we focus on developing the infrared (IR) sensor and performance analysis model for space-based IR systems which are designed for detection of space targets in the earth and the earth-limb background. Corresponding to the sensor observation geometry, a simplified transmittance calculation scheme applicable to large-scale scenes as well as a mathematical model for pixel-by-pixel irradiance calculation is proposed. By defining the apparent contrast of targets in simulated IR images, a model for detection performance analysis is developed for sensors operating in different spectral bands. Typical simulation examples are presented to validate the current model and methodology.

Citation Download Citation

Xiaoyu He, Xiaoyu He, Xiaojian Xu, Xiaojian Xu, "Contrast analysis of space-based Earth observation infrared system", Proc. SPIE 9249, Electro-Optical and Infrared Systems: Technology and Applications XI, 92490F (7 October 2014); doi: 10.1117/12.2067106; https://doi.org/10.1117/12.2067106

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