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mathlab prog

stan56 · 2007-11-21 10:50:40

I want to write a programme to read in ten images of 225x225 pixels and cut out a circular section of radius 100 pixels from the centre point. What i'v wrote so far is the following but doesnt seem to work, can anyone point out where i'v gone wrong? Thanks for n =1:10; name1=strcat(int2str(n),'.bmp'); I=imread(name1);…

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21-11-2007 11:50am

#1

stan56

Closed Accounts Posts: 41 ✭

Join Date: May 2007

Posts: 24

I want to write a programme to read in ten images of 225x225 pixels and cut out a circular section of radius 100 pixels from the centre point.

What i'v wrote so far is the following but doesnt seem to work, can anyone point out where i'v gone wrong?
Thanks

for n =1:10;

name1=strcat(int2str(n),'.bmp');
I=imread(name1);
imshow(I);
for j=1:225
for k=1:225

dist=sqrt((225/2 - j)^2 + (225/2 - k)^2);
if dist >100;
I(j,k)=0;
end
end
end
end;

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#2 21-11-2007 3:46pm
neil_hosey

Registered Users Posts: 1,712 ✭✭✭

Join Date: June 2007

Posts: 1578

first of all is it returning an error or is it just returning the final image

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