1.

For pixels p(x, y), q(s, t), the Euclidean distance between p and q is defined as:

A. tD(p, q) = [(x s)<sup>2</sup> + (y t)<sup>2</sup>]<sup>1/2</sup>
B. tD(p, q) = |x s| + |y t|
C. tD(p, q) = max (|x s| + |y t|)
D. tNone of the mentioned
Answer» B. tD(p, q) = |x s| + |y t|


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