diff --git a/include/itkElastixRegistrationMethod.h b/include/itkElastixRegistrationMethod.h
index fd9c51fb..4218ee8a 100644
--- a/include/itkElastixRegistrationMethod.h
+++ b/include/itkElastixRegistrationMethod.h
@@ -169,6 +169,10 @@ class ITK_TEMPLATE_EXPORT ElastixRegistrationMethod : public itk::ImageSource<TF
   GetOutput(unsigned int idx);
   const DataObject *
   GetOutput(unsigned int idx) const;
+  ResultImageType *
+  GetOutput();
+  ResultImageType *
+  GetOutput() const;
 
   /* Standard filter indexed input / output methods */
   void
diff --git a/include/itkElastixRegistrationMethod.hxx b/include/itkElastixRegistrationMethod.hxx
index 3c46fa0c..e98fabe3 100644
--- a/include/itkElastixRegistrationMethod.hxx
+++ b/include/itkElastixRegistrationMethod.hxx
@@ -350,6 +350,22 @@ ElastixRegistrationMethod<TFixedImage, TMovingImage>::GetTransformParameterObjec
 }
 
 
+template <typename TFixedImage, typename TMovingImage>
+typename ElastixRegistrationMethod<TFixedImage, TMovingImage>::ResultImageType *
+ElastixRegistrationMethod<TFixedImage, TMovingImage>::GetOutput()
+{
+  return static_cast<ResultImageType *>(this->ProcessObject::GetOutput(0));
+}
+
+
+template <typename TFixedImage, typename TMovingImage>
+const typename ElastixRegistrationMethod<TFixedImage, TMovingImage>::ResultImageType *
+ElastixRegistrationMethod<TFixedImage, TMovingImage>::GetOutput() const
+{
+  return static_cast<const ResultImageType *>(this->ProcessObject::GetOutput(0));
+}
+
+
 template <typename TFixedImage, typename TMovingImage>
 DataObject *
 ElastixRegistrationMethod<TFixedImage, TMovingImage>::GetOutput(unsigned int idx)