Thanks, Doug!
I made that rectangle mark on the forehead actually.
According to your suggestion, I tried tkmedit test orig.mgz -overlay test_mark.img -overlay-reg reg.dat The only mark that I could find is on the left side of the image in coronal view and nothing in sagittal view. So there is something wrong.
Then I tried thregister2 --targ ./test/mri/orig/001.mgz --mov test_mark.img reg reg.dat The mark is still in the forehead with sagittal view. I compared all three views (coronal, sagittal and horizontal) between target and moveable. It seemed they were coregisterd very well.
When I overlaid test_mark.img on the brain surface, the mark is located in the bottom of the brain.
Do I explain all these clearly?
Thanks for the help! Elva
Quoting Doug Greve greve@nmr.mgh.harvard.edu:
In step 3, was the registration correct?
You can also try:
tkmedit test orig.mgz -overlay test_mark.img -overlay-reg reg.dat
the mark should be in the right place.
qz4@ee.duke.edu wrote:
Hi all,
I got some problems when I tried to overlay some maps one brain surface. The
following steps is just for test.
recon-all -all -notalairach -i MP-rage/001.dcm s testI use matlab to load the save dataset (MP-rage/001.dcm ~ 160.dcm)and then mark the back-head (>1000). The output is test_mark.img (analyze
format)
thregister2 --targ ./test/mri/orig/001.mgz --mov test_mark.img regheader reg reg.dat So I got reg.dat in this step 4. thsurfer test lh inflated --overlay test_mark.img overlay-reg reg.dat fthresh 1000 The weird thing happened in the final surface image. The mark is not shown
in
back-head. It is located in the botton of the brain surface. If in the 4, I do the following instead (no registration) thsurfer test lh inflated --overlay test_mark.img --fthresh 1000 The mark is in the right location (back-head), but a little offset.
Whats wrong in my procedure? Am I doing right in the registion part? Is it
correct to register to /mri/orig/001.mgz?
Thanks! Elva
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