code: def get_qpimage_raw(self, idx=0):
          
          qpi = qpimage.QPImage(h5file=self.path,
                                h5mode="r",
                                h5dtype=self.as_type,
                                ).copy()
          # Remove previously performed background correction
          qpi.set_bg_data(None)
          # Force meta data
          for key in self.meta_data:
              qpi[key] = self.meta_data[key]
          # set identifier
          qpi["identifier"] = self.get_identifier(idx)
          return qpi
docs: Return QPImage without background correction