Q:
In spatial domain, which of the following operation is done on the pixels in sharpening the image?
Answer & Explanation
Answer: D) Differentiation
Explanation: We know that, in blurring the image, we perform the average of pixels which can be considered as integration. As sharpening is the opposite process of blurring, logically we can tell that we perform differentiation on the pixels to sharpen the image.
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