The mask shown in the figure below belongs to which type of filter?(a) Sharpening spatial filter(b) Median filter(c) Smoothing spatial filter(d) Sharpening frequency filterI have been asked this question by my school principal while I was bunking the class.This key question is from Smoothing Spatial Filters topic in section Intensity Transformations and Spatial Filtering of Digital Image Processing

The mask shown in the figure below belongs to which type of filter?(a)

1.	The mask shown in the figure below belongs to which type of filter?(a) Sharpening spatial filter(b) Median filter(c) Smoothing spatial filter(d) Sharpening frequency filterI have been asked this question by my school principal while I was bunking the class.This key question is from Smoothing Spatial Filters topic in section Intensity Transformations and Spatial Filtering of Digital Image Processing
Answer» The correct option is (c) Smoothing spatial FILTER The best EXPLANATION: The mask shown in the FIGURE represents a 3×3 smoothing filter. Use of this filter yields the standard AVERAGE of the PIXELS under the mask.

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