reconstruct 3D image
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Hi, i have 20 of 2D images in dicom format and i want to reconstruct the 3D image. How can i do this in MATLAB? here i attached my code and i hope anyone could help me to fix it. Many thanks
a = dicomread ('brain_001.dcm')
mask = zeros(size(a));
mask(100:end-50,100:end-50) = 1;
bw = activecontour(a,mask,1000);
% for p=1:20
% filename = sprintf('brain_%03d.dcm', p);
% a(:,:,1,p) =double(dicomread(filename));
% end
c = im2double(bw);
shading flat
d = imgaussfilt3 (c,2);
for p=1:20
filename = sprintf('brain_%03d.dcm', p);
a(:,:,1,p) =double(dicomread(filename));
end
colormap(copper)
e = mesh(d.*100)
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Risposte (1)
Ahmet Cecen
il 10 Nov 2016
Modificato: Ahmet Cecen
il 10 Nov 2016
Too vague to answer directly, but here are two helpful tips:
1) Whatever you are doing, in the end you need to stack the images on the 3rd dimension not 4th.
NOT
a(:,:,1,p) =double(dicomread(filename));
BUT
a(:,:,p) =double(dicomread(filename));
2) Do not try to visualize 3D data in MATLAB, unless it is a surface. MATLAB figures (as far as I know) do not support pixel shading, so your figures will look very flat. Instead use Paraview. You can use this function to export your 3D matrix once you have that in MATLAB. Below is an example of a 3D reconstruction I visualized following the same procedure.Notice the depth/shading.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/175464/image.png)
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