How to convert Dicom images (.dcm) into '.img' format ?

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Gopichandh Danala
评论： Walter Roberson 2017-6-13
Hi, I have a c ++ program linked through MEX file to a Matlab program. The input to this is only '.img' format. Now I have a few images which are .dcm which cannot be given as input to the program.
Is there any way to convert .dcm to .img format?

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回答（1 个）

Walter Roberson
Walter Roberson 2017-6-10
You can use dicomread() to read the files.
If you look in the File Exchange you will find several programs that can write ENVI img/hdr files
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Gopichandh Danala
Gopichandh Danala 2017-6-13
Walter, Can you help me with using this files. I found a function by name: save_nii inside the zip file at https://www.mathworks.com/matlabcentral/fileexchange/8797-tools-for-nifti-and-analyze-image.
The function says: Support both .nii and *.hdr/.img file extension
Usage: save_nii(nii, filename, [old_RGB])
I tried to enter
save_nii(img,'savedImage.img',0)
where img is image read using dicomread, and the last argument is [RGB], as the image is grayscale I entered '0'. But it gives the error:
Error using save_nii (line 56)
Usage: save_nii(nii, filename, [old_RGB])
can you please try this
Walter Roberson
Walter Roberson 2017-6-13
Look at the documentation:
% Usage: save_nii(nii, filename, [old_RGB])
%
% nii.hdr - struct with NIFTI header fields (from load_nii.m or make_nii.m)
%
% nii.img - 3D (or 4D) matrix of NIFTI data.
You passed in a plain data array instead of an appropriate struct.

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