This paper presents new results on the tracking of ballistic missile warheads using spatio-temporal wavelets. Here we focus our attention on handling more general classes of motion, such as acceleration. To accomplish this task the spatio-temporal wavelet transform is adapted to the motion parameters on a frame-by-frame basis. Three different energy densities, associated with velocity, location, and size, have been defined to determine motion parameters. We pointed out that maximizing these energy densities is equivalent to a minimum squared error estimation. Tracking results on synthetically generated image sequences demonstrate the capabilities of the proposed algorithm.
Missile-tracking algorithm using target-adapted spatio-temporal wavelets
1997
12 Seiten, 7 Quellen
Aufsatz (Konferenz)
Englisch
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