also i've tried ;

//mri_convert -it dicom -ot nii /home/ozgun/AnV/dti samples/KARABAY_NURI_.MR.EGE_HEAD.4.1.2008.07.21.21.20.51.578125.24527595.IMA /home/ozgun/AnV/ok.nii /

output was; / $Id: mri_convert.c,v 1.146.2.4 2009/01/30 02:30:42 nicks Exp $ reading from /home/ozgun/AnV/dti samples/KARABAY_NURI_.MR.EGE_HEAD.4.1.2008.07.21.21.20.51.578125.24527595.IMA...

Starting DICOMRead2() dcmfile = /home/ozgun/AnV/dti samples/KARABAY_NURI_.MR.EGE_HEAD.4.1.2008.07.21.21.20.51.578125.24527595.IMA

dcmdir = /home/ozgun/AnV/dti samples Ref Series No = 4 Found 73 files, checking for dicoms Found 70 dicom files in series. First Sorting Computing Slice Direction Vs: 0 0 0 Vs: nan nan nan Second Sorting Counting frames nframes = 70 nslices = 1 ndcmfiles = 70 PE Dir = COL (dicom read) TransferSyntaxUID: --1.2.840.10008.1.2.1-- jpegUID: --1.2.840.10008.1.2.4-- Loading pixel data TR=10700.00, TE=103.00, TI=0.00, flip angle=90.00 i_ras = (-1, -0, 0) j_ras = (-0, -1, 0) k_ras = (nan, nan, nan) Reslicing using trilinear interpolation *MRIresample(): error inverting matrix; determinant is nan, matrix is:* -2.000 -0.000 nan nan; -0.000 -2.000 nan nan; 0.000 0.000 nan nan; 0.000 0.000 0.000 1.000;

/i think problem occurs because of the bold line. Does anyone have any idea to correct this ?

Thanks anyway

Yours

Ozgun