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No, it is not complex data. You have a phase *difference* volume (that is the directory with the 32 DICOMs) and a magnitude volume for each of the two separate TEs (that is the directory with the 64 DICOMs). cheers, -MH -- Michael Harms, Ph.D. ----------------------------------------------------------- Conte Center for the Neuroscience of Mental Disorders Washington University School of Medicine Department of Psychiatry, Box 8134 660 South Euclid Ave.Tel: 314-747-6173 St. Louis, MO 63110Email: [log in to unmask] On 9/8/15 2:38 AM, "Matan Mazor" <[log in to unmask]> wrote: Dear FSL experts, I use a Siemens 3T prisma scanner, with the fieldmap sequence *fm2d2r (as far as I can understand from the dicom headers). What I get from the scanner are two dicom directories. The first contains 32 dicoms, and the second 64. Using dcm2nii, the first seems to be a 64*64*32*1 phase image (https://drive.google.com/file/d/0B9ZeJP16yUWvU004N09aajkwaU0/view?usp=shar ing), and the second a 64*64*32*2 magnitude image (https://drive.google.com/file/d/0B9ZeJP16yUWvOGRHTVVxVXctUXM/view?usp=shar ing). I tried to use FSL's online course to apply the B0 unwarping to my epi images, but I got stuck just at the beginning, when having to decide what kind of data do I have. Is this what the course refers to as 'complex data'? I would really appreciate your help, Thanks! - Matan ________________________________ The materials in this message are private and may contain Protected Healthcare Information or other information of a sensitive nature. If you are not the intended recipient, be advised that any unauthorized use, disclosure, copying or the taking of any action in reliance on the contents of this information is strictly prohibited. If you have received this email in error, please immediately notify the sender via telephone or return mail.