how to convert a 3D volume DCM image to png format

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Estefania Ruiz Muñoz
回答： VINAYAK LUHA 2023-9-21
How to convert a 3D volume DCM image to png format. That is, a medical image that contains several slices.
  2 个评论
Walter Roberson
Walter Roberson 2022-5-11
Do you want the slices to be individually converted? Do you want to do a volume rendering and save the rendered image? Do you want to do some kind of detection on the volume and draw the outside shell of an portion?

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回答（1 个）

VINAYAK LUHA
VINAYAK LUHA 2023-9-21
Hi Estefania,
It is my understanding that you would like to know how to extract individual slices from a 3D volume DCM image as “.png” files.
Assuming that you have a 4-D volume from set of DICOM images which can be created from dicom images using the “dicomreadVolume” function.
Here’s a possible workaround-
dicomVolume = dicomreadVolume('path to dicom folder');
numSlices = size(dicomVolume, 4)
for i=1:numSlices
slice = dicomVolume(:,:,i);
normalizedSlice = mat2gray(slice);
imwrite(normalizedSlice,"path to save folder"+"slice"+num2str(i)+".png");
end
Explore the following documentations for more details-
“dicomreadVolume” function https://www.mathworks.com/help/images/ref/dicomreadvolume.html
Regards,
Vinayak Luha

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