Study of Smoothing and Sharpening Filters

Study of Spatial Domain filtering- smoothing & sharpening filters using the following kernels:
1) smoothing:
A=[1,1,1;1,1,1;1,1,1];
B=[1,2,1;2,4,2;1,2,1];
2) sharpening
A=[0,1,0;1,-4,1;0,1,0];
B=[1,1,1;1,-8,1;1,1,1];
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