Table 1 summarizes the experimental results of the detection
accuracies of the infestation detection experiments for
guava and peach fruits. The detection accuracy was apparently
affected by the selection of sub-image and it decreases
as the sub-image size increases. Using 18×18 sub-image
size, 93% and 96% of infestation sites were correctly detected for guava and peach, respectively. The false alarm rates
were 1% and 11% correspondingly. The detection accuracy
slightly increased to 95% (guava) and 98% (peach), by reducing
the sub-image size to 12×12 in the adaptive segmentation
procedure. The slight increase of detection accuracy is accompanied
with the trade-off of more computation time and
significant increase of false alarm rate to 66% (guava) and
77% (peach).