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Table 3 Step detection accuracy

From: An indoor augmented-reality evacuation system for the Smartphone using personalized Pedometry

Stride length Measured steps Actual steps Error (%)
Short 1 28 30 -6.67
Short 2 29 30 -3.33
Short 3 28 30 -6.67
Regular 1 30 30 0.00
Regular 2 30 30 0.00
Regular 3 29 30 -3.33
Long 1 31 30 3.33
Long 2 30 30 0.00
Long 3 32 30 6.67
Avg.   3.33
Std. Dev.   4.41
  1. To evaluate pedometry system step, stride, and distance accuracy, a user was tasked to walk three trials of 30 paces in testing each of three different types of user strides. The results of these nine trials can collectively be seen through Table 3.