20 if len(sys.argv) != 4:
21 print(
"Usage: " + sys.argv[0] +
" <InputImage> <OutputImage> <Sigma>")
24 inputImage = sys.argv[1]
25 outputImage = sys.argv[2]
26 sigma = float(sys.argv[3])
30 ImageType =
itk.Image[PixelType, Dimension]
33 reader.SetFileName(inputImage)
35 gradientMagnitudeImageFilter = \
37 gradientMagnitudeImageFilter.SetInput(reader.GetOutput())
38 gradientMagnitudeImageFilter.SetSigma(sigma)
41 writer.SetFileName(outputImage)
42 writer.SetInput(gradientMagnitudeImageFilter.GetOutput())