    hybridMedian1 = vtkImageHybridMedian2D()
    hybridMedian1.SetInputData(noisyData)
    hybridMedian = vtkImageHybridMedian2D()
    hybridMedian.SetInputConnection(hybridMedian1.GetOutputPort())

    colorWindow = (scalarRange[1] - scalarRange[0]) * 0.8
    colorLevel = colorWindow / 2
    originalActor = vtkImageActor()
