7 October 2014 Contrast analysis of space-based Earth observation infrared system
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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.
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Xiaoyu He, 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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