results in some ambiguiry. Distance Measure [Euclidean) For pixels Poq and 2 with coordinates 12,42,Co, Lland (). res pechvely D is a distance function or meric if : @ DiR.9) 20, OLP.4) : 049.8) (symmery) =( Dip, 2) L Dip, q) to cq, 2) (triangular inequality) tuclidean distance beth p and De. (p.9) - C(2-3)2 + cy -t)2 3 42 is