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The edges and other abrupt changes in gray-level of an image are associated with_________

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The edges and other abrupt changes in gray-level of an image are associated with_________

(a) High frequency components

(b) Low frequency components

(c) Edges with high frequency and other abrupt changes in gray-level with low frequency components

(d) Edges with low frequency and other abrupt changes in gray-level with high frequency components

I have been asked this question in semester exam.

I'd like to ask this question from Gaussain Lowpass and Sharpening Frequency Domain Filters in chapter Filtering in Frequency Domain of Digital Image Processing

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Correct choice is (a) High frequency components

To explain: High frequency components are related with the edges and other abrupt changes in gray-level of an image.

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