If the size of the averaging filter used to smooth the original image to first image is 9, then what would be the size of the averaging filter used in smoothing the same original picture to second in second image?(a) 3(b) 5(c) 9(d) 15This question was posed to me in examination.I'm obligated to ask this question of Smoothing Spatial Filters in division Intensity Transformations and Spatial Filtering of Digital Image Processing

If the size of the averaging filter used to smooth the original image

1.	If the size of the averaging filter used to smooth the original image to first image is 9, then what would be the size of the averaging filter used in smoothing the same original picture to second in second image?(a) 3(b) 5(c) 9(d) 15This question was posed to me in examination.I'm obligated to ask this question of Smoothing Spatial Filters in division Intensity Transformations and Spatial Filtering of Digital Image Processing
Answer» Correct CHOICE is (d) 15 The best I can explain: We know that, as the size of the filter USED in smoothening the original image that is AVERAGING filter increases then the BLURRING of the image. Since the SECOND image is more blurred than the first image, the window size should be more than 9.

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