Ghrist, RobertOwen, H.Robinson, Michael2023-05-222023-05-222010-08-012010-08-13https://repository.upenn.edu/handle/20.500.14332/34170This report is presented to summarize work completed under a DARPA seedling project for the imaging of urban environments, using radio multipath measurements and topology extraction algorithms. This report provides an overview of the mathematical theory behind the work, as well as a description of the simulation and results that accompanies the theory.sensorssignals of opportunityimagingtopologymultipathApplied MathematicsGeometry and TopologySignal ProcessingReport