void OpenCVToMitkImageFilter::InsertOpenCVImageAsMitkTimeSlice(cv::Mat openCVImage, Image::Pointer mitkImage, int timeStep)
  {
    // convert it to an mitk::Image
    this->SetOpenCVMat(openCVImage);
    this->Modified();
    this->Update();

    //insert it as a timeSlice
    mitkImage->GetGeometry(timeStep)->SetSpacing(this->GetOutput()->GetGeometry()->GetSpacing());
    mitkImage->GetGeometry(timeStep)->SetOrigin(this->GetOutput()->GetGeometry()->GetOrigin());
    mitkImage->GetGeometry(timeStep)->SetIndexToWorldTransform(this->GetOutput()->GetGeometry()->GetIndexToWorldTransform());

    mitk::ImageReadAccessor readAccess(this->GetOutput());
    mitkImage->SetImportVolume(readAccess.GetData(), timeStep);

    mitkImage->Modified();
    mitkImage->Update();

    m_ImageMutex->Lock();
    m_Image = mitkImage;
    m_ImageMutex->Unlock();
  }