How to calculate the volume image segmentation.

Dear All,

I have set Images as attached (matlab.mat). Then I upload in Volume Viewer Apps. Anyone know how to calculate the volume it self as picture?

Answer 1

[VINAYAK LUHA]

Hi Mohd,

I understand that you want to determine the total volume created by a series of masked images.

You can achieve this in the following manner:

1. Compute the volume of the masked region in each image slice by multiplying the number of non-zero pixels with the thickness of the slice (assumed 1px).
2. Sum up the volumes of each individual image slice to obtain the overall volume.

The code snippet of the steps mentioned above can be seen below:

data = load("vol.mat");
stackedImages = data.I131256;
sliceThickness=1;
volume =0;
for i=1:24
    volume=volume + nnz(stackedImages(:,:,12))*sliceThickness;
end
disp("Volume of the object:"+num2str(volume)+" cubic pixels");

Hope this helps.

Regards,

Vinayak Luha