2 May 2012 Addressing terrain masking in orbital reconnaissance
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Abstract
During aerial orbital reconnaissance, a sensor system is mounted on an airborne platform for imaging a region on the ground. The latency between the image acquisition and delivery of information to the end-user is critical and must be minimized. Due to fine ground pixel resolution and a large field-of-view for wide-area surveillance applications, a massive volume of data is gathered and imagery products are formed using a real-time multi-processor system. The images are taken at oblique angles, stabilized and ortho-rectified. The line-of-sight of the sensor to the ground is often interrupted by terrain features such as mountains or tall structures as depicted in Figure1. The ortho-rectification process renders the areas hidden from the line-of sight of the sensor with spurious information. This paper discusses an approach for addressing terrain masking in size, weight, and power (SWaP) and memory-restricted onboard processing systems.
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Sharad Mehta, Sharad Mehta, Luke Cico, Luke Cico, } "Addressing terrain masking in orbital reconnaissance", Proc. SPIE 8396, Geospatial InfoFusion II, 83960I (2 May 2012); doi: 10.1117/12.918642; https://doi.org/10.1117/12.918642
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