1. Tracking of a single cluster of closely spaced objects using one and two passive optical sensors;Zimmer,1992
2. Tracking clusters and extended objects with multiple sensors;Drummond,1990
3. Multiple hypothesis clustering and multiple frame assignment tracking;Gadaleta,2004
4. A PHD Filter for Tracking Closely Spaced Objects with Elliptic Random Hypersurface Models;Zhang,2013
5. Feed-forward neural networks to solve the closely-spaced objects problem;Bartolac,1994