code: def _get_vendor(dicom_input):
      
      # check if it is siemens
      if common.is_siemens(dicom_input):
          logger.info('Found manufacturer: SIEMENS')
          return Vendor.SIEMENS
      # check if it is ge
      if common.is_ge(dicom_input):
          logger.info('Found manufacturer: GE')
          return Vendor.GE
      # check if it is philips
      if common.is_philips(dicom_input):
          logger.info('Found manufacturer: PHILIPS')
          return Vendor.PHILIPS
      # check if it is philips
      if common.is_hitachi(dicom_input):
          logger.info('Found manufacturer: HITACHI')
          return Vendor.HITACHI
      # generic by default
      logger.info('WARNING: Assuming generic vendor conversion (ANATOMICAL)')
      return Vendor.GENERIC
docs: 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)