Table 3.

Evaluation of camera-based and hybrid indoor navigation systems.

# Publication	Universality	Obstacle Detection/Recognition	Operation Modes	Feedback	Total Score	System Evaluation(SE)
[37]	4	0	2	1	7	1.40
[38]	7	2	3	1	13	3.03
[45]	6	1	2	2	11	2.43
[53]	5	1	3	1	10	2.33
[55]	5	0	2	2	9	1.83
[36]	6	1	2	1	10	2.10
[46]	7	2	1	1	8	1.67
[48]	6	2	1	2	9	2.00
[49]	5	1	2	1	9	2.00
[57]	5	1	2	1	9	2.00
[42]	5	1	1	1	8	1.67
[43]	6	2	1	2	11	2.60
[52]	8	2	2	2	14	3.13
[44]	2	1	1	0	4	1.03
[39]	6	2	2	1	9	2.00
[54]	6	1	2	2	11	2.43
[50]	6	1	1	2	10	2.10
[51]	6	1	2	2	11	2.43