Preliminary evaluation of the VIsion PERformance (VIPER) simulator

Table 2 Comparison of VIPER functional performance with and without correction

	With correction	Without correction	p-value
Road signs
Detection distance, m (mean ± SD)	117.6 ± 39.3	40.8 ± 44.3	<.001
*True detection rate, %	98.9 ± 4.2	73.3 ± 36.3	<.001
†False detection rate, % (mean ± SD)	34.7 ± 17.8	24.8 ± 26.6	.084
Identification distance, m (mean ± SD)	21.6 ± 6.7	7.6 ± 7.4	<.001
Accuracy, % (mean ± SD)	83.5 ± 18.1	27.9 ± 37.2	<.001
IEDs
Detection distance, m (mean ± SD)	29.9 ± 8.21	13.19 ± 13.6	<.001
True detection rate, %	59.5 ± 17.8	22.2 ± 24.8	<.001
False detection rate, % (mean ± SD)	67.5 ± 19.9	46.1 ± 41.0	.008
Identification distance, m (mean ± SD)	32.2 ± 6.17	7.43 ± 10.25	<.001
Accuracy, % (mean ± SD)	46.67 ± 20.60	11.39 ± 17.30	<.001

\( \ast \mathrm{True}\ \mathrm{detection}\ \mathrm{rate}=\frac{\mathrm{Correctly}\ \mathrm{detected}\ \mathrm{road}\ \mathrm{signs}\ \mathrm{or}\ \mathrm{IEDs}}{6\ \mathrm{sets}\ \mathrm{of}\ \mathrm{road}\ \mathrm{signs}\ \mathrm{or}\ \mathrm{IEDs}} \)
\( \dagger \mathrm{False}\ \mathrm{detection}\ \mathrm{rate}=\frac{\mathrm{Falsely}\ \mathrm{detected}\ \mathrm{road}\ \mathrm{signs}\ \mathrm{or}\ \mathrm{IEDs}}{\left(\mathrm{Correctly}\ \mathrm{detected}+\mathrm{Falsely}\ \mathrm{detected}\ \mathrm{road}\ \mathrm{signs}\ \mathrm{or}\ \mathrm{IEDs}\right)} \)

ISSN: 2054-9369