hcph-derivatives-mriqc/sub-001/ses-pilot005/dwi/sub-001_ses-pilot005_acq-lowres_dir-unknown_dwi.json

{
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  "bdiffs_mean": 0.2066,
  "bdiffs_median": 0.2327,
  "bdiffs_min": 0.0073,
  "bids_meta": {
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    "AcquisitionNumber": 1,
    "AcquisitionTime": "17:32:22.687500",
    "B0FieldSource": [
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    "BandwidthPerPixelPhaseEncode": 23.81,
    "BaseResolution": 120,
    "BodyPartExamined": "BRAIN",
    "CoilCombinationMethod": "Adaptive Combine",
    "CoilString": "HeadNeck_64",
    "ConversionSoftware": "dcm2niix",
    "ConversionSoftwareVersion": "v1.0.20220720",
    "DerivedVendorReportedEchoSpacing": 0.000699986,
    "DeviceSerialNumber": "67014",
    "DiffusionScheme": "Bipolar",
    "DwellTime": 2.4e-06,
    "EchoTime": 0.092,
    "EchoTrainLength": 51,
    "EffectiveEchoSpacing": 0.000349993,
    "FlipAngle": 90,
    "HeudiconvVersion": "1.0.0",
    "ImageOrientationPatientDICOM": [
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    "ImageType": [
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      "NONE",
      "ND",
      "MFSPLIT"
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    "ImageTypeText": [
      "ORIGINAL",
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      "DIFFUSION",
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    "ImagingFrequency": 123.248,
    "InPlanePhaseEncodingDirectionDICOM": "COL",
    "InstitutionAddress": "Rue du Bugnon 21,Lausanne,District,CH,1011",
    "InstitutionName": "CHUV",
    "MRAcquisitionType": "2D",
    "MagneticFieldStrength": 3,
    "Manufacturer": "Siemens",
    "ManufacturersModelName": "MAGNETOM Prisma Fit",
    "Modality": "MR",
    "MultibandAccelerationFactor": 3,
    "NonlinearGradientCorrection": false,
    "ParallelReductionFactorInPlane": 2,
    "PartialFourier": 0.875,
    "PatientPosition": "HFS",
    "PercentPhaseFOV": 100,
    "PercentSampling": 100,
    "PhaseEncodingDirection": "j",
    "PhaseEncodingSteps": 120,
    "PhaseResolution": 1,
    "PixelBandwidth": 1736,
    "ProcedureStepDescription": "RESEARCH Oscar",
    "ProtocolName": "micro_struct_137dir_BIPOLAR_b3000_2mm-iso_PA",
    "PulseSequenceDetails": "%SiemensSeq%\\ep2d_diff",
    "ReceiveCoilActiveElements": "HC1-6",
    "ReceiveCoilName": "HeadNeck_64",
    "ReconMatrixPE": 120,
    "RefLinesPE": 42,
    "RepetitionTime": 7.8,
    "SAR": 0.197092,
    "ScanOptions": "PFP\\FS\\PER",
    "ScanningSequence": "GR\\EP",
    "SequenceName": "*ep_b0",
    "SequenceVariant": "SK",
    "SeriesDescription": "micro_struct_137dir_BIPOLAR_b3000_2mm-iso_PA",
    "SeriesNumber": 24,
    "ShimSetting": [
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    "SliceThickness": 2,
    "SliceTiming": [
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    "SoftwareVersions": "syngo MR XA30",
    "SpacingBetweenSlices": 2,
    "StationName": "LRG10884",
    "TotalReadoutTime": 0.0416492,
    "TxRefAmp": 246.554,
    "VendorReportedEchoSpacing": 0.0007,
    "acq_id": "lowres",
    "dataset": "hcph",
    "modality": "dwi",
    "session_id": "pilot005",
    "subject_id": "001"
  },
  "efc_shell01": 2.0717,
  "efc_shell02": 0.9838,
  "efc_shell03": 0.7121,
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  "fber_shell01": 53.48,
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  "fd_mean": 1.668,
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  "ndc": 0.8074,
  "provenance": {
    "md5sum": "c086232e8ddb71bf4efbd32ab195fae4",
    "settings": {
      "testing": false
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    "software": "mriqc",
    "version": "24.0.0"
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  "sigma_cc": 26.6868,
  "sigma_pca": 9.8757,
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  "snr_cc_shell0": 6.32,
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  "snr_cc_shell2_best": 4.12,
  "snr_cc_shell2_worst": 2.25,
  "snr_cc_shell3_best": 2.87,
  "snr_cc_shell3_worst": 1.72,
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  "spikes_global": 58.01,
  "spikes_slice_i": 275.57,
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}