When applying this filter on an image, what kind of effect you will expect in the output image? Why? (Hint: is this filter an image smoothing filter, an image sharpening filter or an edge detector? you can think about one case that the region has a constant intensity and another case that there is an isolated bright point in a black background.

1-2 -2 -2] 1 Given a 3x3 filter -2 25 -2, answer the following questions: -2 -2 -2)