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How to plot Intensity profile along the vertical line of an image

Asked by Warid Islam on 9 Jul 2019
Latest activity Commented on by Warid Islam on 10 Jul 2019
I have plotted the intensity profile of an image. Below is the image file.
Below is the code.
I = imread('Intensity1.jpg');
x = [0 size(I,2)];
y = [size(I,1)/2 size(I,1)/2];
c = improfile(I,x,y);
figure
subplot(2,1,1)
imshow(I)
hold on
plot(x,y,'r')
subplot(2,1,2)
plot(c(:,1,1),'r')
hold on
plot(c(:,1,2),'g')
plot(c(:,1,3),'b')
I want to find the intensity profile of the image in the vertical direction instead of the horizontal direction. Any help would be appreciated. Thank you.

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R2019a

1 Answer

Answer by Matt J
on 10 Jul 2019
 Accepted Answer

y = [0 size(I,1)];
x = [size(I,2)/2 size(I,2)/2];

  1 Comment

Hi Matt,
Thank you very much for the help.

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