Myriad target tracking in a dusty plasma

Tracking myriad (thousands of) interacting dust particle targets in a complex (dusty) plasma is considered. Multiple extended-Kalman-filter-based trackers were deployed on target subsets of various sizes, with track data fusion performed offline. Filter-based tracking was more accurate than particle tracking velocimetry, particularly for estimates of target velocity. A low level of target loss (~1%) was directly related to measurement loss, with a small contribution from duplicate tracks (tracker overlap). Measurement loss was caused by target maneuvers - the formation of an externally-induced shock wave.