@article {31,
	title = {A hierarchical feature fusion framework for adaptive visual tracking},
	journal = {Image and Vision Computing},
	volume = {29},
	year = {2011},
	pages = {594 - 606},
	keywords = {Particle filter, Sequential Monte-Carlo, Visual tracking},
	issn = {0262-8856},
	doi = {10.1016/j.imavis.2011.07.001},
	author = {Alexandros Makris and Dimitrios Kosmopoulos and Stavros Perantonis and Sergios Theodoridis}
}
