Process the image given on the right by a 3x3 Laplacian filter (4-direction mask). Find the filter responses only when the center of the mask is within the shaded region to avoid the border effect (i.e. filtered image will have a size of 3x4 pixels). Why are the left and right parts of the filtered image so different?Suggest a procedure which maps the filtered image pixel values (including negative values) to integers in the range of [0, 255] to display the image on a monitor screen

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Process the image given on the right by a 3x3 Laplacian filter (4-direction
mask). Find the filter responses only when the center of the mask is within the
shaded region to avoid the border effect (i.e. filtered image will have a size of
3x4 pixels). Why are the left and right parts of the filtered image so different?Suggest a procedure which maps the filtered image pixel values (including negative values) to integers in the
range of
[0, 255]
to display the image on a monitor screen.

1
1
4 4 4
4
1
1
4| 4| 4
4
1| 1| 4| 4|| 4| 4
1| 1| 4| 4|| 4
1 144 4
4
4
Transcribed Image Text:1 1 4 4 4 4 1 1 4| 4| 4 4 1| 1| 4| 4|| 4| 4 1| 1| 4| 4|| 4 1 144 4 4 4
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