Hi,
try to use Phoenix to import the DICOMs at the scanner they were recorded
and look at the protocoll.
Cheers,
Andreas
Am 02.11.13 18:38 schrieb "Eric Walden" unter <[log in to unmask]>:
>Hello all. I inherited some data from a research assistant at fmrib who
>has since moved on. I am trying to make sense of the field maps for B0
>correction. I have two files called gre_field_mapping_005 and
>gre_field_mapping_006. However, when I look at the DICOM headers, both
>show an echo time of 7.65. However, I thought that you were supposed to
>have two different echo times--other gre_field_mappings that I have have
>different echo times.
>
>Does this mean that there was an error in taking the field mappings?
>
>gre_field_mapping_005 header
>
>Series description: gre_field_mapping
>Manufacturer: SIEMENS
>Model name: Verio
>Study id: 1
>Series number: 5
>Repetition time (ms): 400
>Echo time (ms): 7.65
>Flip angle: 60
>Number of averages: 1
>Slice thickness (mm): 3
>Slice spacing (mm): 3.75
>Image columns: 64
>Image rows: 64
>Phase encoding direction: ROW
>Voxel size x (mm): 3
>Voxel size y (mm): 3
>Number of volumes: 1
>Number of slices: 1
>Number of files: 1
>Number of frames: 14947920
>Slice duration (ms) : 50602.5
>Orientation: tra
>
>gre_field_mapping_006 header
>Series description: gre_field_mapping
>Manufacturer: SIEMENS
>Model name: Verio
>Study id: 1
>Series number: 5
>Repetition time (ms): 400
>Echo time (ms): 7.65
>Flip angle: 60
>Number of averages: 1
>Slice thickness (mm): 3
>Slice spacing (mm): 3.75
>Image columns: 64
>Image rows: 64
>Phase encoding direction: ROW
>Voxel size x (mm): 3
>Voxel size y (mm): 3
>Number of volumes: 1
>Number of slices: 1
>Number of files: 1
>Number of frames: 12160192
>Slice duration (ms) : 50602.5
>Orientation: tra
|