Intelligent Control Wheelchair Using a New Visual Joystick

Table 4

Comparison between the trajectories of the users.

		Hausdorff distance	Frechet distance
The similarity between the desired path and path made by an expert		12.8013	12.9334
Patient I	Similarity between the desired path and visual joystick path	13.2911	13.3452
	Similarity between the desired path and intelligent visual joystick path	13.0561	13.0707
Patient II	Similarity between the desired path and visual joystick path	13.3055	13.3701
	Similarity between the desired path and intelligent visual joystick path	13.0033	13.1265
Patient III	Similarity between the desired path and visual joystick path	13.3207	13.3444
	Similarity between the desired path and intelligent visual joystick path	13.1595	13.2172