Title :
Minimal geodesics bundles by active contours: Radar application for computation of most threathening trajectories areas & corridors
Author :
Barbaresco, Frederic ; Mounier, Bernard
Author_Institution :
Radar Dev. / Algorithms & Functional Studies Dept. (RD/RDTA) 7-9, THOMSON-CSF AIRSYS, Bagneux, France
Abstract :
We propose to use shortest path computation method based on Front propagation by Level Set for a radar application. This new radar function consists in computing most threathening trajectories & corridors in the radar coverage in order to adapt radar modes for detection optimization. This Radar problem may be declined as a variationnal problem solved by calculus of variations and geodesic active contours. A partial differential equation PDE drives the temporal evolution of contours of iso-energy (level lines of the manifold defined by the minimal potential surface given by the integration of local detection probability along every potential trajectories). We proove that this PDE approach could be also extended to others radar applications (clutter segmentation, spectral estimation, ...).
Keywords :
differential geometry; geodesy; geophysical techniques; partial differential equations; radar imaging; surface topography; topography (Earth); variational techniques; active contour; front propagation; minimal geodesics bundles; shortest path computation method; threathening corridors; threathening trajectories areas; Active contours; Level set; Radar cross-sections; Radar detection; Trajectory;
Conference_Titel :
Signal Processing Conference, 2000 10th European
Conference_Location :
Tampere
Print_ISBN :
978-952-1504-43-3