Now the PCA process completed. The signature of the data
obtained in training dataset and test feature vector of the testing
dataset are matched with the help of KNN classifier.Euclidean
distances between the projected test image and the projection of
all centred training images are calculated. Test image is supposed
to have minimum distance with its corresponding image in the
training database.The results obtained in training dataset are
matched with testing dataset and matching is done with the help
of knn classifier as shown in figure 16.Target is shown in bar
graph with 280 images and person from 1 to 10.now how much
we detect is shown in figure 17.