Question: Which of the following fact(s) is/are true about sharpening spatial filters using digital differentiation?
Options
A : Sharpening spatial filter response is proportional to the discontinuity of the image at the point where the derivative operation is applied
B : Sharpening spatial filters enhances edges and discontinuities like noise
C : Sharpening spatial filters deemphasizes areas that have slowly varying gray-level values
D : All of the mentioned
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