How to merge two images of different sizes ??
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Amit Verma
le 12 Déc 2017
Réponse apportée : Image Analyst
le 13 Déc 2017
How to merge two images of different sizes so that the resultant merged image contains bigger image contains smaller image at a specific location in bigger image ??
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Michal Dobai
le 13 Déc 2017
You can just index elements in bigger image and assign them values of smaller image.
combinedImage = biggerImage;
s = size(smallerImage);
combinedImage(x:x+s(1)-1, y:y+s(2)-1, :) = smallerImage;
This example works only if smaller image fits entirely into bigger image after placed to specific location!
If you want be able to put smaller image to location that part of it will be outside of bigger image, you have to handle this case properly. There are more options you can do. You can extend bigger image (and set some background color) or crop smaller image.
Whole example code:
% 'specific location' point
x = 123;
y = 274;
% create example images
biggerImage = rand(512,512,3);
smallerImage = ones(64,64,3);
% merge images
combinedImage = biggerImage;
s = size(smallerImage);
combinedImage(x:x+s(1)-1, y:y+s(2)-1, :) = smallerImage;
imshow(combinedImage);
Result:
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Image Analyst
le 13 Déc 2017
See my copy and paste demos to paste rectangular and freehand images onto a larger image.
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