It looks like there's something "messed up" with your dicom file. We have success converting GE and Siemens, but I've never tried Philips before. Can you tar it up or put it some place where I can get it?




Sasha Wolosin wrote:

Sorry to send this twice, but I should have elaborated:

I am trying to convert files to mgz format.  I was able to run mri_convert, but 
when I run csurf and attempt to open the orig volume, I get the error:

"First orig image:
/freesurfer/subjects/2332/mri/orig/COR-001 not found"

Does anyone know why this may happen?

Here is the command and output:

[EMAIL PROTECTED] /freesurfer]# cd subjects/2332/mri/orig
[EMAIL PROTECTED] orig]# ls
2332_analyze  2332_crsg
[EMAIL PROTECTED] orig]# mri_convert -it dicom -ot mgz 2332_crsg/001 001.mgz
mri_convert -it dicom -ot mgz 2332_crsg/001 001.mgz
reading from 2332_crsg/001...
124 DICOM 3.0 files in list
Found 124 DICOM Files
WARNING: NumberOfFrames 0 != Found Count of slices 124.
reading DICOM image...
-------------------------------------------------
DICOM meta-header

file name                       2332_crsg/001
Date and time
      study date              20030630
      study time              101639.0000
      series time             104735.12
      acquisition time        104735.12
Identification
      patient name            ...
      manufacturer            Philips Medical Systems
Dimensions
      number of rows          256
      number of columns       256
      number of frames        124
      pixel width             0.9375
      pixel height            0.9375
      slice thickness         1.5
      field of view           240
      image number            1 (might be not reliable)
Acquisition parameters
      echo time               6.00003
      repetition time         35
      inversion time          not found
      echo number             1
      flip angle              0.785398
      bits allocated          16
Spatial information
      first image position    -114.756 -101.936 133.356
      last image position     -126.115 82.1994 135.698
      image orientation       0.998088 0.0614863 0.00638348 0.00559035 
0.0130627 -0.999899
-------------------------------------------------

TR=35.00, TE=6.00, TI=0.00, flip angle=45.00
i_ras = (-0.998088, -0.0614863, 0.00638348)
j_ras = (-0.00559035, -0.0130627, -0.999899)
k_ras = (0.0615663, -0.998022, 0.0126937)
writing to 001.mgz...
[EMAIL PROTECTED] orig]# csurf

Thanks,
Sasha

Sasha Wolosin
Research Assistant
Developmental Cognitive Neurology
Kennedy Krieger Institute
707 N. Broadway
Baltimore, MD 21205
ph: (443) 923-9270



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