How to fuse three images?

Question

Rami 2013-7-1

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/80801-how-to-fuse-three-images

评论： mohd akmal masud 2017-11-20

I have three images of three object. Object C covers the physical dimensions of objects A and B. I need to show all objects on a single image with diffrent colors. I able to fused two images with object C and A or C and B with following code:

    A = imread(1..);
    B = imread(2..);
    C = imread(3..);
figure; imshow(C,'InitialMag','fit');
green = cat(3, zeros(size(C)),ones(size(C)), zeros(size(C)));
hold on 
h = imshow(green); 
hold off
% Use 'h' influence map as the AlphaData for the solid green image.
set(h, 'AlphaData', A)

How can I show object A, B and C (diffrent colors on the same image). Any help regarding the same will be appreciable. Thanks

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Answer 1

Jeff E 2013-7-1

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https://ww2.mathworks.cn/matlabcentral/answers/80801-how-to-fuse-three-images#answer_90519

在 MATLAB Online 中打开

I'm reading quite a bit into your question, but it sounds like you have three binary images saved as rgb images.

A = rgb2gray(imread(1..);
B = rgb2gray(imread(2..);
C = rgb2gray(imread(3..);
overlay_im = cat(3, C, A, B);
imshow(overlay_im);

If you post your images, it's more likely you will receive good advice.

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Rami 2013-7-2

Thanks Jeff, It worked. next time I will try to write my problem more clearly. Thanks

mohd akmal masud 2017-11-20

Hi every one,

I have 135 slice Image PET(dicom format,size 256x256), and 135 slices images CT(dicom format, size 512x512). My PET image start with name PET001.dcm until PET135.dcm, then my CT image start with name CT001.dcm until CT135.dcm.

First i resize CT image into 256x256. Example:

>>P1=dicomread('PET001,dcm');

>>C1=dicomread('CT001.dcm');

>>C1R=imresize(C1, [256 256]);

then i fuse both image like this:

>>subplot(1,1,1); imshow(P1+C1R);

Can you help me how to combine all the 135 slice image CT and 135 slice image PET in one subplot??

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