To divide an image into 2 equal halves
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keerthi
il 26 Set 2012
Commentato: mariena aloor
il 10 Set 2019
I wrote the code for it . I can divide the left side of an image and while doing for the right side left part of it is black and right part is the second half of the image . The problem where i am facing is , in the 2nd for loop it starts with k=1 n m=110 so for others column values from 1 to 109 as a default its taking zero. How to sort out this problem.
% code
x=imread('img1.jpg');
image=rgb2gray(x);
[q r]=size(image);
s=r/2;
for i=1:q
for j=1:s
n1(i,j)=image(i,j);
end
end
for k=1:q
for m=s:r
n2(k,m)=image(k,m);
end
end
imshow(n1)
figure
imshow(n2)
end
4 Commenti
Image Analyst
il 3 Apr 2015
How do you know? Did you ask keerthi? He accepted the answer so I would assume that it is working.
Risposta accettata
Walter Roberson
il 26 Set 2012
n1 = image(:, 1 : end/2);
n2 = image(:, end/2+1 : end );
4 Commenti
Image Analyst
il 12 Ott 2013
Modificato: Image Analyst
il 13 Ott 2013
Well . . . what is the name of your variable? I really really doubt it's called image - at least it shouldn't be. So you need to use the actual name of your image array variable. What is it? Let's say it's called grayImage. Then use grayImage(....) instead of image(....)
Jaya Darshini N K
il 11 Feb 2019
i have tried this and this is working perfectly. but images ni and n2 are displaying along with the full image. i want only n1 and n2 to be displayed.
thanks in advance!!!
Più risposte (2)
Jay Li
il 10 Mag 2018
function y = halfpic(x)
% Enter an image in matrix form
n = floor(size(x)/2)
m = size(x);
Lpic = x(:,1:n(2),:);
Rpic = x(:,n(2)+1:m(2),:);
imshow(Lpic);
figure
imshow(Rpic);
1 Commento
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