Question

The response of the smoothing linear spatial filter is/are __________

(a) Sum of image pixel in the neighborhood filter mask

(b) Difference of image in the neighborhood filter mask

(c) Product of pixel in the neighborhood filter mask

(d) Average of pixels in the neighborhood of filter mask

The question was posed to me in quiz.

Query is from Smoothing Linear Spatial Filters in portion Intensity Transformations and Spatial Filtering of Digital Image Processing

Answer 1

The correct answer is (d) Average of pixels in the neighborhood of filter mask

Easiest explanation: The average of pixels in the neighborhood of filter mask is simply the output of the smoothing linear spatial filter.