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24 May 2012 Georegistration of motion imagery with error propagation
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Abstract
Georegistration is the assignment of geospatial coordinates to the pixels of an image. It is necessary for many activitybased intelligence tasks. Motion imagery can be difficult to georegister due to wide sensor fields of view and parallax from terrain elevations and buildings. We have developed a fully automated and accurate solution to the georegistration problem that runs in real time on a PC. It works by generating and registering predicted images from digital elevation models and fitting the parameters of the camera sensor model, including exterior and interior orientation. To estimate the geospatial accuracy, the algorithm employs rigorous error propagation techniques from the field of photogrammetry. We present results on a variety of aerial motion imagery, including full motion video and multi-camera wide area motion imagery. We also present error propagation results and comparisons with ground truth.
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Mark D. Pritt and Kevin J. LaTourette "Georegistration of motion imagery with error propagation", Proc. SPIE 8386, Full Motion Video (FMV) Workflows and Technologies for Intelligence, Surveillance, and Reconnaissance (ISR) and Situational Awareness, 838606 (24 May 2012); https://doi.org/10.1117/12.919578
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