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clear all; | clear all; | ||
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close all; | close all; | ||
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clc; | clc; | ||
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u=imread('londonbridge.jpg'); | u=imread('londonbridge.jpg'); | ||
I=rgb2gray(u); | I=rgb2gray(u); | ||
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[r,c]= size(I) | [r,c]= size(I) | ||
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I(1,1)=0; | I(1,1)=0; | ||
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for j=1:r | for j=1:r | ||
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for i=2:(c-1) | for i=2:(c-1) | ||
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I_avg_filter(j,i+1)=(I(j,i)+I(j,i+1))/2; | I_avg_filter(j,i+1)=(I(j,i)+I(j,i+1))/2; | ||
Revision as of 06:00, 14 October 2009
%%%%%%%%%%%%%%%%%%%%%%%%%%%% CODE FOR THE AVERAGE & EDGE DETECTOR FILTERS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
clear all;
close all;
clc;
u=imread('londonbridge.jpg');
I=rgb2gray(u);
[r,c]= size(I)
I(1,1)=0;
for j=1:r
for i=2:(c-1)
I_avg_filter(j,i+1)=(I(j,i)+I(j,i+1))/2;
end
end
for j=1:r
for i=2:(c-1)
I_edge_detector(j,i+1)=(I(j,i)-I(j,i+1));
end
end subplot(3,2,1); imshow(u); title('Original Image'); subplot(3,2,2); imshow(I); title('Original Image in Gray scale'); subplot(3,2,3); imshow(I_avg_filter); title('Image using Average Filter'); subplot(3,2,4); imshow(I_edge_detector); title('Image using Edge Detector'); --Apanja 09:59, 14 October 2009 (UTC)Ananya Panja
