reading multiple images

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k.v.swamy 2011-12-5

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https://ww2.mathworks.cn/matlabcentral/answers/23070-reading-multiple-images

hi all, i have two sets of images which i need to compare.i have to find the intersection region of those two sets.can any one suggest how to approach and if possible with an example. regards k.v.swamy

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Answer 1

Chandra Kurniawan 2011-12-5

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Hello,

In order to find the intersection of two similar image,

you can do image subtraction.

clear; clc;
I = double(imread('cameraman.tif'));
J = double(I);
J(115:155, 192:204) = 50;
intersection = abs(J - I);
imshow(uint8(I)); title('Image A');
figure, imshow(uint8(J)); title('Image B');
figure, imshow(uint8(intersection)); title('Intersection A and B');

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k.v.swamy 2011-12-5

excellent thank you

k.v.swamy 2011-12-6

hi chandra,

what should i do if i want to display the intersection portion.

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Answer 2

Walter Roberson 2011-12-5

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https://ww2.mathworks.cn/matlabcentral/answers/23070-reading-multiple-images#answer_30300

Possibly you are looking for this information: http://matlab.wikia.com/wiki/FAQ#How_can_I_process_a_sequence_of_files.3F

You will need to say more about what you mean by finding the intersection region. Are you trying to do something like build a panorama image? If so then that is more difficult than one might think at first, as one has to correct for different densities of information as you get further from the optical axis, and then one has to do image registration with the corrected images.