Hi Vasudev,

Is this with fslmaths? The images that you pass to fslmaths must have the same dimensions/resolution/orientation. You will need to resample one of your images to match the dimensions of the other.

Cheers,

Paul

On 7 February 2017 at 16:09, Dev vasu <vasudevamurthy.devulapally@gmail.com> wrote:

 

Dear all,

I am incurring some problems concerning orientation of  ROI mask when i apply to GM mask, I am incurring following error

" WARNING:: Inconsistent orientations for individual images in pipeline!
          Will use voxel-based orientation which is probably incorrect - *PLEASE CHECK*!

Image Exception : #3 :: Attempted to multiply images/ROIs of different sizes
terminate called after throwing an instance of 'RBD_COMMON::BaseException'
Aborted (core dumped) "

" vasudev@vasudev-OptiPlex-780:/media/vasudev/vkirsch4/Project_BLVP/VBMStudies/SubjectsT1w/stats/atlases-nifti/hippocampus-subfields/labels$ fslinfo brain1_labels.nii.gz
data_type      UINT8
dim1           489
dim2           734
dim3           503
dim4           0
datatype       2
pixdim1        0.300000
pixdim2        0.300000
pixdim3        0.300000
pixdim4        0.000000
cal_max        0.0000
cal_min        0.0000
file_type      NIFTI-1+


vasudev@vasudev-OptiPlex-780:/media/vasudev/vkirsch4/Project_BLVP/VBMStudies/SubjectsT1w/stats/atlases-nifti/hippocampus-subfields/labels$ fslinfo '/media/vasudev/vkirsch4/Project_BLVP/VBMStudies/SubjectsT1w/stats/GM_mask.nii.gz'
data_type      UINT8
dim1           91
dim2           109
dim3           91
dim4           1
datatype       2
pixdim1        2.000000
pixdim2        2.000000
pixdim3        2.000000
pixdim4        1.000000
cal_max        0.0000
cal_min        0.0000
file_type      NIFTI-1+
"

Kindly let me know the issue with inconsistent orientation and how i could possibly change it.

Thanks

vasudev