Fall Prevention Shoes Using Camera-Based Line-Laser Obstacle Detection System

Table 1

Distance estimation.

Ground truth distance (cm)	Estimated distance (cm)	Error (cm)	Error (%)
50	51.7	1.7	3.4
60	61.1	1.1	1.8
70	70.4	0.4	0.5
80	79.8	−0.2	−0.3
90	88.9	1.1	−1.2
100	99.5	−0.5	−0.5