The probability of detection obtained from the field observation trial was compared to the detection probability obtained from the static photosimulation trial. The comparison showed good correlation between the field trial and the static image photosimulation detection probabilities, where a Spearman correlation coefficient of 0.59 was calculated. The photosimulation detection task was found to be significantly harder than the field observation detection task, suggesting that to use static image photosimulation to develop and validate maritime visible signature evaluation tools may need correction to represent detection in field observations.
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