Dear FSL experts ,
Please help me with registration step .
Kindly see what may be the problem.
[sunstien@localhost tbss]$ tbss_1_preproc *.nii.gz
processing hb
processing ht
processing um
Now running "slicesdir" to generate report of all input images
Finished. To view, point your web browser at
file:/home/sunstien/Desktop/tbss/FA/slicesdir/index.html
[sunstien@localhost tbss]$ tbss_2_reg -t dti_FA
hb_FA_to_target
ht_FA_to_target
um_FA_to_target
11455
[sunstien@localhost tbss]$ tbss_3_postreg -S
using pre-chosen target for registration
affine-registering target to MNI152 space
transforming (and upsampling) all FA images into MNI152 space
hb_FA
Image Exception : #22 :: ERROR: Could not open image hb_FA_to_target_warp
An error occured while reading file: hb_FA_to_target_warp
ht_FA
Image Exception : #22 :: ERROR: Could not open image ht_FA_to_target_warp
An error occured while reading file: ht_FA_to_target_warp
um_FA
Image Exception : #22 :: ERROR: Could not open image um_FA_to_target_warp
An error occured while reading file: um_FA_to_target_warp
merging all upsampled FA images into single 4D image
Usage: fslmerge <-x/y/z/t/a/tr> <output> <file1 file2 .......> [tr
value in seconds]
-t : concatenate images in time
-x : concatenate images in the x direction
-y : concatenate images in the y direction
-z : concatenate images in the z direction
-a : auto-choose: single slices -> volume, volumes -> 4D (time series)
-tr : concatenate images in time and set the output image tr to
the final option value
creating valid mask and mean FA
Cannot open volume all_FA for reading!
Cannot open volume all_FA for reading!
Cannot open volume all_FA for reading!
skeletonising mean FA
Image Exception : #22 :: ERROR: Could not open image mean_FA
terminate called after throwing an instance of 'RBD_COMMON::BaseException'
/fsl/fsl/bin/tbss_3_postreg: line 196: 13082 Aborted
(core dumped) $FSLDIR/bin/tbss_skeleton -i mean_FA -o mean_FA_skeleton
now view mean_FA_skeleton to check whether the default threshold of
0.2 needs changing, when running:
tbss_4_prestats <threshold>
[sunstien@localhost tbss]$
--
Sunil Koundal
Senior Research Fellow
NMR Research Centre
INMAS, DRDO
DELHI-54
Mobile number -+919910969525
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