Figure 6: Comparison of spin-images using correlation map between spin-images of similar and unsimilar points. (a) Spin-image generated from point ; (b) spin-image correlation map (-); (c) spin-image generated from point ; (d) the position of point which is indicated in the figure; (e) the positions of point and point which are shown in the figure; (f) spin-image generated from point ; (g) spin-image correlation map (); (h) spin-image generated from point .