The percentage of unclassified vegetation pixels in the image was calculated by dividing the number of unclassified pixels in the image by the total number of pixels in image, while the number of non-vegetation pixels was excluded. The percentage of
unclassified pixels within target and non-target polygons was calculated similarly, with the additional exclusion of shadow polygons and pixels. Additionally, the percentage of unclassified target and
non-target polygons were calculated. Omission and commission errors were studied for selected classifications.