Hi,
Does nibabel read minc2 4D image ?
Below is the error I got when trying to upload it :

.../python2.7/site-packages/nibabel-2.0.0-py2.7.egg/nibabel/loadsave.pyc in load(filename, *_kwargs)
42 Image of guessed type
43 '''
---> 44 return guessed_image_type(filename).from_filename(filename, *_kwargs)
45
46

.../python2.7/site-packages/nibabel-2.0.0-py2.7.egg/nibabel/spatialimages.pyc in from_filename(klass, filename)
697 def from_filename(klass, filename):
698 file_map = klass.filespec_to_file_map(filename)
--> 699 return klass.from_file_map(file_map)
700
701 @classmethod

.../python2.7/site-packages/nibabel-2.0.0-py2.7.egg/nibabel/minc2.pyc in from_file_map(klass, file_map)
150 if holder.filename is None:
151 raise MincError('MINC2 needs filename for load')
--> 152 minc_file = Minc2File(h5py.File(holder.filename, 'r'))
153 affine = minc_file.get_affine()
154 if affine.shape != (4, 4):

.../python2.7/site-packages/nibabel-2.0.0-py2.7.egg/nibabel/minc2.pyc in init(self, mincfile)
62 for dim in self.dims:
63 if dim.spacing != b'regular_':
---> 64 raise ValueError('Irregular spacing not supported')
65 self._spatial_dims = [name for name in self._dim_names
66 if name.endswith('space')]

ValueError: Irregular spacing not supported