Header display an image header (information about the
image). Running the program without any arguments produces the
following output.
Header: Usage: [-h] [-i] [-d] [-g info-field-name] image
-h prints this message.
-i shows the extended image information (for UNC and compatible NIFTI-1 images).
-d shows the extended image information for each dimension of the image
(for UNC compatible NIFTI-1and images).
-g show a particular info field with the given name (for UNC and compatible NIFTI-1 images).