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Is it true or false that “the original pixel value is included while computing the median using gray-levels in the neighborhood of the original pixel in median filter case”?

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Is it true or false that “the original pixel value is included while computing the median using gray-levels in the neighborhood of the original pixel in median filter case”?

(a) True

(b) False

This question was posed to me during an online interview.

This question is from Smoothing Nonlinear Spatial Filter in division Intensity Transformations and Spatial Filtering of Digital Image Processing

1 Answer

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The correct answer is (a) True

The best explanation: A median filter the pixel value is replaced by median of the gray-level in the neighborhood of that pixel and also the original pixel value is included while computing the median.

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