Complex values are standard for MP2rage

mri_specific_operations/denoise_mp2rage.py

@@ -34,7 +34,7 @@ def combine_mp2rage_robust(
         inv2_filepath: Union[str, Path],
         denoised_output_filepath: Union[str, Path],
         regularization_factor: float = 6,
-        value_mode: str = "absolute",
+        value_mode: str = "complex",
 ) -> None:
     """
     Suppress background noise inside and outside the skull.