Thanks to both of you for the help! I did already try a direct conversion with the latest version of dcm2niix, but got the same result (new JSON copied below). I’ll reach out to the sequence developer.
{
“Modality”: “MR”,
“MagneticFieldStrength”: 3,
“ImagingFrequency”: 123.11637,
“Manufacturer”: “Siemens”,
“ManufacturersModelName”: “TrioTim”,
“InstitutionName”: “McGovern Institute for Brain Research (3T2)”,
“InstitutionalDepartmentName”: “Department”,
“InstitutionAddress”: “Vassar 43,Cambridge,MA,US,02139”,
“DeviceSerialNumber”: “35469”,
“StationName”: “MRC35469”,
“PatientPosition”: “HFS”,
“ProcedureStepDescription”: “INVESTIGATORS^Kanwisher_Active”,
“SoftwareVersions”: “syngo MR B17”,
“MRAcquisitionType”: “2D”,
“SeriesDescription”: “SMS3_2mmiso_localizer”,
“ProtocolName”: “SMS3_2mmiso_localizer”,
“ScanningSequence”: “EP”,
“SequenceVariant”: “SK”,
“ScanOptions”: “PFP\FS”,
“SequenceName”: “epfid2d1_108”,
“ImageType”: [“ORIGINAL”, “PRIMARY”, “M”, “ND”, “MOSAIC”],
“NonlinearGradientCorrection”: false,
“SeriesNumber”: 8,
“AcquisitionTime”: “14:37:32.020000”,
“AcquisitionNumber”: 1,
“ImageComments”: “SMS_MGH_V2.1; MB=3; FOVshift=3; K_PE=3; K_RO=3; CCR=1; LeakBlockOn;”,
“SliceThickness”: 2,
“SpacingBetweenSlices”: 2,
“SAR”: 0.168297,
“EchoTime”: 0.03,
“RepetitionTime”: 2,
“FlipAngle”: 90,
“PartialFourier”: 0.75,
“BaseResolution”: 108,
“ShimSetting”: [
6212,
-28044,
-24482,
345,
-239,
50,
-96,
188 ],
“TxRefAmp”: 320.445,
“PhaseResolution”: 1,
“ReceiveCoilName”: “32Ch_Head”,
“CoilString”: “C:HEA;HEP”,
“PulseSequenceDetails”: “%CustomerSeq%\ep2d_bold_sms_mgh_V21_delay”,
“CoilCombinationMethod”: “Sum of Squares”,
“MatrixCoilMode”: “SENSE”,
“PercentPhaseFOV”: 100,
“PercentSampling”: 100,
“PhaseEncodingSteps”: 81,
“AcquisitionMatrixPE”: 108,
“ReconMatrixPE”: 108,
“BandwidthPerPixelPhaseEncode”: 13.419,
“EffectiveEchoSpacing”: 0.000690011,
“DerivedVendorReportedEchoSpacing”: 0.000690011,
“TotalReadoutTime”: 0.0738312,
“PixelBandwidth”: 1852,
“DwellTime”: 2.5e-06,
“PhaseEncodingDirection”: “j-”,
“SliceTiming”: [
0,
2.93,
0.0825,
3.015,
0.1675,
3.0975,
0.25,
3.1825,
0.335,
3.265,
0.4175,
3.35,
0.5025,
3.4325,
0.585,
3.5175,
0.67,
3.6,
0.7525,
3.685,
0.8375,
3.7675,
0.92,
3.8525,
1.005,
3.935,
1.0875,
4.02,
1.1725,
4.1025,
1.255,
4.1875,
1.34,
4.27,
1.4225,
4.355,
1.5075,
4.4375,
1.59,
4.5225,
1.675,
4.605,
1.7575,
4.69,
1.8425,
4.7725,
1.925,
4.8575,
2.01,
4.94,
2.0925,
5.025,
2.1775,
5.1075,
2.26,
5.1925,
2.345,
5.275,
2.4275,
5.36,
2.5125,
5.4425,
2.595,
5.5275,
2.68,
5.61,
2.7625,
5.695,
2.8475 ],
“ImageOrientationPatientDICOM”: [
0.999481,
-0.0146871,
0.0286756,
0.0135813,
0.999171,
0.0383838 ],
“ImageOrientationText”: “Tra>Cor(2.2)>Sag(1.7)”,
“InPlanePhaseEncodingDirectionDICOM”: “COL”,
“ConversionSoftware”: “dcm2niix”,
“ConversionSoftwareVersion”: “v1.0.20230411”
}