Copy of https://www.mathworks.com/matlabcentral/fileexchange/8797-tools-for-nifti-and-analyze-image
Edited to support octave usage using system gzip
Copy of https://www.mathworks.com/matlabcentral/fileexchange/8797-tools-for-nifti-and-analyze-image
Edited to support octave usage using system gzip