For pixels p(x, y), q(s, t), and z(v, w), D is a distance function or metric if:
A. D(p, q) ≥ 0
B. D(p, q) = D(q, p)
C. D(p, z) ≤ D(p, q) + D(q, z)
D. All of the mentioned
Answer:D
For pixels p(x, y), q(s, t), and z(v, w), D is a distance function or metric if:
A. D(p, q) ≥ 0 B. D(p, q) = D(q, p) C. D(p, z) ≤ D(p, q) + D(q, z) D. All of the mentioned