Example #1
0
 def test_is_ge(self):
     assert not convert_ge.is_ge(
         read_dicom_directory(test_data.SIEMENS_ANATOMICAL))
     assert convert_ge.is_ge(read_dicom_directory(test_data.GE_ANATOMICAL))
     assert not convert_ge.is_ge(
         read_dicom_directory(test_data.PHILIPS_ANATOMICAL))
     assert not convert_ge.is_ge(
         read_dicom_directory(test_data.GENERIC_ANATOMICAL))
     assert not convert_ge.is_ge(
         read_dicom_directory(test_data.HITACHI_ANATOMICAL))
Example #2
0
def _get_vendor(dicom_input):
    """
    This function will check the dicom headers to see which type of series it is
    Possibilities are fMRI, DTI, Anatomical (if no clear type is found anatomical is used)
    """
    # check if it is siemens frmi
    if convert_siemens.is_siemens(dicom_input):
        print('Found manufacturer: SIEMENS')
        return Vendor.SIEMENS
    # check if it is ge frmi
    if convert_ge.is_ge(dicom_input):
        print('Found manufacturer: GE')
        return Vendor.GE
    # check if it is ge frmi
    if convert_philips.is_philips(dicom_input):
        print('Found manufacturer: PHILIPS')
        return Vendor.PHILIPS
    # check if it is siemens dti
    print('WARNING: Assuming generic vendor conversion (ANATOMICAL)')
    return Vendor.GENERIC
Example #3
0
def anonymize_directory(input_directory, output_directory=None):
    if output_directory is None:
        output_directory = input_directory

    study_uid = pydicom.uid.generate_uid()
    series_uid = pydicom.uid.generate_uid()
    date = datetime.datetime.now().strftime("%Y%m%d")
    time = datetime.datetime.now().strftime("%H%M%S.000000")

    fields_to_keep = {
        'SpecificCharacterSet':
        None,
        'ImageType':
        None,
        'AcquisitionMatrix':
        None,
        'SOPClassUID':
        None,
        'SOPInstanceUID':
        None,  # Will be replaced by file-unique UID
        'StudyDate':
        date,
        'SeriesDate':
        date,
        'AcquisitionDate':
        date,
        'ContentDate':
        date,
        'StudyTime':
        time,
        'AcquisitionTime':
        time,
        'AcquisitionNumber':
        None,
        'Modality':
        None,
        'Manufacturer':
        None,
        'ManufacturersModelName':
        None,
        'PatientName':
        'dicom2nifti',
        'PatientID':
        'dicom2nifti',
        'PatientsBirthDate':
        date,
        'PatientsSex':
        None,
        'PatientsAge':
        '0Y',
        'PatientPosition':
        None,
        'ScanningSequence':
        None,
        'SequenceVariant':
        None,
        'MRAcquisitionType':
        None,
        'SequenceName':
        'dicom2nifti',
        'RepetitionTime':
        None,
        'EchoTime':
        None,
        'InversionTime':
        None,
        'DeviceSerialNumber':
        '1234',
        'StudyInstanceUID':
        study_uid,
        'SeriesInstanceUID':
        series_uid,
        'StudyID':
        'dicom2nifti',
        'SeriesNumber':
        None,
        'InstanceNumber':
        None,
        'ImagePositionPatient':
        None,
        'ImageOrientationPatient':
        None,
        'SliceLocation':
        None,
        'PhotometricInterpretation':
        None,
        'Rows':
        None,
        'Columns':
        None,
        'PixelSpacing':
        None,
        'BitsAllocated':
        None,
        'BitsStored':
        None,
        'HighBit':
        None,
        'RescaleSlope':
        None,
        'RescaleIntercept':
        None,
        'PixelRepresentation':
        None,
        'NumberOfFrames':
        None,
        'SamplesPerPixel':
        None,
        'SpacingBetweenSlices':
        None,
        # Pixel Data must be specified with hex code as it will not work for compressed dicoms
        (0x7fe0, 0x0010):
        None
    }

    if is_philips(read_dicom_directory(input_directory)):
        philips_fields = {
            (0x2001, 0x100a): None,
            (0x2001, 0x1003): None,
            (0x2001, 0x105f): None,
            (0x2005, 0x100d): None,
            (0x2005, 0x100e): None,
            (0x2005, 0x10b0): None,
            (0x2005, 0x10b1): None,
            (0x2005, 0x10b2): None,
            (0x0018, 0x9087): None,
            (0x0018, 0x9089): None,
            (0x5200, 0x9230): None,
            'SharedFunctionalGroupsSequence': None
        }
        fields_to_keep.update(philips_fields)

    if is_siemens(read_dicom_directory(input_directory)):
        siemens_fields = {
            (0x0019, 0x100c): None,
            (0x0029, 0x1020): None,
            (0x0051, 0x100b): None,
            (0x0019, 0x100e): None
        }
        fields_to_keep.update(siemens_fields)

    if is_ge(read_dicom_directory(input_directory)):
        ge_fields = {
            (0x0020, 0x9056): None,
            (0x0020, 0x9057): None,
            (0x0043, 0x1039): None,
            (0x0019, 0x10bb): None,
            (0x0019, 0x10bc): None,
            (0x0019, 0x10bd): None
        }
        fields_to_keep.update(ge_fields)

    _anonymize_files(input_directory, output_directory, fields_to_keep)