For pixels p(x, y), q(s, t), the chessboard distance between p and q i

1.	For pixels p(x, y), q(s, t), the chessboard distance between p and q is defined as:$
A.	D(p, q) = [(x ‚Äö√Ñ√∂‚àö√ë‚àö¬® s)<sup>2</sup> + (y ‚Äö√Ñ√∂‚àö√ë‚àö¬® t)<sup>2</sup>]<sup>1/2</sup>
B.	D(p, q) = \|x ‚Äö√Ñ√∂‚àö√ë‚àö¬® s\| + \|y ‚Äö√Ñ√∂‚àö√ë‚àö¬® t\|
C.	D(p, q) = max (\|x ‚Äö√Ñ√∂‚àö√ë‚àö¬® s\| + \|y ‚Äö√Ñ√∂‚àö√ë‚àö¬® t\|)
D.	None of the mentioned
Answer» D. None of the mentioned

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