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Table 1 Percentage success rates for the application’s response to deviation from the middle of a route

From: Design and implementation of a secure mobile phone-based route navigator (mGuide), adapted for the visually challenged people

Deviation

Number of alerts

Success rate for 20 tests (%)

No deviation from the middle of the road

0

100

A deviation of 10 m from the road

0

100

A deviation of 20 m from the road

19

95

A deviation of 30 m from the road

14

70

A deviation of 50 m from the road

9

45