ENH: Adding python sample for SmoothImageWithDiscreteGaussianFilter

Author: PranjalSahu

src/Filtering/Smoothing/SmoothImageWithDiscreteGaussianFilter/Code.py

@@ -0,0 +1,22 @@
+PixelType = itk.F
+
+# Read Image in float data type
+inputImage = itk.imread(inputFileName, PixelType)
+
+# Check some information from the inputImage
+print('Shape ', inputImage.shape)
+print('dtype is ', inputImage.dtype)
+print('type is ', type(inputImage))
+
+variance = 4.0
+filteredImage = itk.discrete_gaussian_image_filter(inputImage, variance=variance)
+
+# Check some information from the filteredImage
+print('Shape ', filteredImage.shape)
+print('dtype is ', filteredImage.dtype)
+print('type is ', type(filteredImage))
+
+# Visualize the result using matplotlib
+import matplotlib.pyplot as plt
+plt.imshow(filteredImage)
+plt.show()