Stacking multiple 2D images to form a single volumetric 3D image.

Hello everyone.

I have a 2D image in 244x244 grid of .xlsx file. I would like to stack this image and visualize a single volumetric 3D image. Does anyone know how to do that.

[KSSV]

You have only one image?

[Amira Ramli]

Yes Sir. For now i want to try with the 1 image, try to stack and find out how it works. Because later on, for the experimental result 244x244 grid, i will have like 5 slices of image with different pixel value each. I've attached the xlsx file and the 2D image.

For instance, i use the surf coding for only one image. I have no idea on how to stack (if i have like 5 slices of 2D image) and visualize in 3D form. My supervisor adviced me to try using the isosurface.

i1=(xlsread('Book1.xlsx',1','A1:IJ244'));
figure
imagesc(i1);shading interp;colormap jet
title('i1')
surf(i1);shading interp;colormap jet
title('i1')

Answer 1

[Image Analyst]

If you have gray level slice images image1, image2, image3, image4, image5, etc. then you can use cat(3,):

volumetricImage3D = cat(3, image1, image2, image3, image4, image5);

[Amira Ramli]

Thank you for your response. Unfortunately i still cant visualize it in volume form.

[Image Analyst]

Yes, MATLAB is not the best for that. They do have a Volume Visualizer app on the Apps tab of the tool ribbon but if you want a really powerful program to do it you'll have to use Avizo.

[Amira Ramli]

Well, thank you so much Sir. I can finally stack the images and visualize it in volume form. But it was out of frame. I think i should figure it out. If anyone can share how to do it, thank you in advance!