a) Must be nonzero in the areas of constant grey values
b) Must be zero at the onset of a gray-level step or ramp discontinuities
c) Must be nonzero along the gray-level ramps
d) None of the mentioned
Which of the facts(s) is/are true for the first order derivative of a digital function?
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answerhappygod
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Which of the facts(s) is/are true for the first order derivative of a digital function?
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