Applied Bionics and Biomechanics / 2015 / Article / Tab 3

Research Article

A Navigation System for the Visually Impaired: A Fusion of Vision and Depth Sensor

Table 3

Obstacle detection rate and comparison of blind and blindfolded persons.

Blindfolded Blind
Obstacle Detection Speed Detection Speed
time (sec) (m/sec) time (sec) (m/sec)

Wall (corridor) 0.25 0.4 0.25 0.6
Pillar (open square) 0.3 0.3 0.3 0.5
People (open square) 0.28 0.25
Noticeboard 0.3 0.3 0.3 0.5
Obstacles (lab) 0.25 0.3 0.25 0.4
No obstacle (open square) 0.25 0.4 0.25 0.55