Vision-Based System for Assisting Blind People to Wander Unknown Environments in a Safe Way

Table 4

Easiness to follow instructions and portability, with the camera in the chest and in the head of the user. L: low, M: middle, H: high.

	Camera	Participant
		1	2	3	4	5	6	7	8	9	10
Easiness to follow instructions	Chest	H	H	H	H	M	H	H	H	H	H
	Head	H	H	H	H	M	H	H	H	H	H
Portability	Chest	M	H	H	H	M	H	M	M	M	H
	Head	M	H	H	H	M	H	M	M	M	H