Table 2. Object tracking categories [19].

	Categories	Representative work
Point	Deterministic methods	MGE trackerGOA tracker
	Statistical methods	Kalman filterJPDAFPMHT
Kernel	Template and density based appearance models	Mean-shiftKLTLayering
	Multi-view appearance models	EigentrackingSVM tracker
Silhouette	Contour evolution	State space modelsVariational methodsHeuristic methods
	Matching shapes	HausdorffHough transformHistogram