diff --git a/examples/ITK_Example02_CustomOrMultipleParameterMaps.ipynb b/examples/ITK_Example02_CustomOrMultipleParameterMaps.ipynb
index 1550df40..5f929392 100644
--- a/examples/ITK_Example02_CustomOrMultipleParameterMaps.ipynb
+++ b/examples/ITK_Example02_CustomOrMultipleParameterMaps.ipynb
@@ -228,14 +228,14 @@
    "outputs": [],
    "source": [
     "# Save custom parameter map\n",
-    "parameter_object.WriteParameterFile(\n",
+    "itk.ParameterObject.WriteParameterFile(\n",
     "    parameter_map_custom, \"exampleoutput/parameters_custom.txt\"\n",
     ")\n",
     "\n",
     "# Or serialize each parameter map to a file.\n",
     "for index in range(parameter_object.GetNumberOfParameterMaps()):\n",
     "    parameter_map = parameter_object.GetParameterMap(index)\n",
-    "    parameter_object.WriteParameterFile(\n",
+    "    itk.ParameterObject.WriteParameterFile(\n",
     "        parameter_map, \"exampleoutput/Parameters.{0}.txt\".format(index)\n",
     "    )"
    ]
diff --git a/examples/exampleoutput/Parameters.0.txt b/examples/exampleoutput/Parameters.0.txt
index 12aa8a5d..95010e93 100644
--- a/examples/exampleoutput/Parameters.0.txt
+++ b/examples/exampleoutput/Parameters.0.txt
@@ -1,19 +1,19 @@
 (AutomaticParameterEstimation "true")
 (AutomaticScalesEstimation "true")
 (CheckNumberOfSamples "true")
-(DefaultPixelValue 0.000000)
-(FinalBSplineInterpolationOrder 3.000000)
+(DefaultPixelValue 0)
+(FinalBSplineInterpolationOrder 3)
 (FixedImagePyramid "FixedSmoothingImagePyramid")
 (ImageSampler "RandomCoordinate")
 (Interpolator "LinearInterpolator")
-(MaximumNumberOfIterations 256.000000)
-(MaximumNumberOfSamplingAttempts 8.000000)
+(MaximumNumberOfIterations 256)
+(MaximumNumberOfSamplingAttempts 8)
 (Metric "AdvancedMattesMutualInformation")
 (MovingImagePyramid "MovingSmoothingImagePyramid")
 (NewSamplesEveryIteration "true")
-(NumberOfResolutions 3.000000)
-(NumberOfSamplesForExactGradient 4096.000000)
-(NumberOfSpatialSamples 2048.000000)
+(NumberOfResolutions 3)
+(NumberOfSamplesForExactGradient 4096)
+(NumberOfSpatialSamples 2048)
 (Optimizer "AdaptiveStochasticGradientDescent")
 (Registration "MultiResolutionRegistration")
 (ResampleInterpolator "FinalBSplineInterpolator")
diff --git a/examples/exampleoutput/Parameters.1.txt b/examples/exampleoutput/Parameters.1.txt
index 9a6ba71b..b12e5574 100644
--- a/examples/exampleoutput/Parameters.1.txt
+++ b/examples/exampleoutput/Parameters.1.txt
@@ -1,22 +1,22 @@
 (AutomaticParameterEstimation "true")
 (CheckNumberOfSamples "true")
-(DefaultPixelValue 0.000000)
-(FinalBSplineInterpolationOrder 3.000000)
+(DefaultPixelValue 0)
+(FinalBSplineInterpolationOrder 3)
 (FinalGridSpacingInPhysicalUnits 20.000000)
 (FixedImagePyramid "FixedSmoothingImagePyramid")
-(GridSpacingSchedule 1.988100 1.410000 1.000000)
+(GridSpacingSchedule 2 1.4142135623730951 1)
 (ImageSampler "RandomCoordinate")
 (Interpolator "LinearInterpolator")
-(MaximumNumberOfIterations 256.000000)
-(MaximumNumberOfSamplingAttempts 8.000000)
+(MaximumNumberOfIterations 256)
+(MaximumNumberOfSamplingAttempts 8)
 (Metric "AdvancedMattesMutualInformation" "TransformBendingEnergyPenalty")
-(Metric0Weight 1.000000)
-(Metric1Weight 1.000000)
+(Metric0Weight 1.0)
+(Metric1Weight 1.0)
 (MovingImagePyramid "MovingSmoothingImagePyramid")
 (NewSamplesEveryIteration "true")
-(NumberOfResolutions 3.000000)
-(NumberOfSamplesForExactGradient 4096.000000)
-(NumberOfSpatialSamples 2048.000000)
+(NumberOfResolutions 3)
+(NumberOfSamplesForExactGradient 4096)
+(NumberOfSpatialSamples 2048)
 (Optimizer "AdaptiveStochasticGradientDescent")
 (Registration "MultiMetricMultiResolutionRegistration")
 (ResampleInterpolator "FinalBSplineInterpolator")
diff --git a/examples/exampleoutput/Parameters.2.txt b/examples/exampleoutput/Parameters.2.txt
index 99d67ab1..bfc99e1a 100644
--- a/examples/exampleoutput/Parameters.2.txt
+++ b/examples/exampleoutput/Parameters.2.txt
@@ -1,21 +1,21 @@
-(BSplineInterpolationOrder 1.000000)
-(DefaultPixelValue 0.000000)
+(BSplineInterpolationOrder 1)
+(DefaultPixelValue 0)
 (ErodeMask "false")
-(FinalBSplineInterpolationOrder 3.000000)
-(FinalGridSpacingInPhysicalUnits 16.000000)
+(FinalBSplineInterpolationOrder 3)
+(FinalGridSpacingInPhysicalUnits 16)
 (FixedImagePyramid "FixedRecursiveImagePyramid")
 (FixedInternalImagePixelType "float")
 (HowToCombineTransforms "Compose")
 (ImageSampler "Random")
 (Interpolator "BSplineInterpolator")
-(MaximumNumberOfIterations 500.000000)
+(MaximumNumberOfIterations 500)
 (Metric "AdvancedMattesMutualInformation")
 (MovingImagePyramid "MovingRecursiveImagePyramid")
 (MovingInternalImagePixelType "float")
 (NewSamplesEveryIteration "true")
-(NumberOfHistogramBins 32.000000)
-(NumberOfResolutions 1.000000)
-(NumberOfSpatialSamples 2048.000000)
+(NumberOfHistogramBins 32)
+(NumberOfResolutions 1)
+(NumberOfSpatialSamples 2048)
 (Optimizer "AdaptiveStochasticGradientDescent")
 (Registration "MultiResolutionRegistration")
 (ResampleInterpolator "FinalBSplineInterpolator")
diff --git a/examples/exampleoutput/Parameters.3.txt b/examples/exampleoutput/Parameters.3.txt
index 837dc45d..20bb2b7d 100644
--- a/examples/exampleoutput/Parameters.3.txt
+++ b/examples/exampleoutput/Parameters.3.txt
@@ -1,19 +1,19 @@
 (AutomaticParameterEstimation "true")
 (AutomaticScalesEstimation "true")
 (CheckNumberOfSamples "true")
-(DefaultPixelValue 0.000000)
-(FinalBSplineInterpolationOrder 3.000000)
+(DefaultPixelValue 0)
+(FinalBSplineInterpolationOrder 3)
 (FixedImagePyramid "FixedSmoothingImagePyramid")
 (ImageSampler "RandomCoordinate")
 (Interpolator "LinearInterpolator")
-(MaximumNumberOfIterations 256.000000)
-(MaximumNumberOfSamplingAttempts 8.000000)
+(MaximumNumberOfIterations 256)
+(MaximumNumberOfSamplingAttempts 8)
 (Metric "AdvancedMattesMutualInformation")
 (MovingImagePyramid "MovingSmoothingImagePyramid")
 (NewSamplesEveryIteration "true")
-(NumberOfResolutions 4.000000)
-(NumberOfSamplesForExactGradient 4096.000000)
-(NumberOfSpatialSamples 2048.000000)
+(NumberOfResolutions 4)
+(NumberOfSamplesForExactGradient 4096)
+(NumberOfSpatialSamples 2048)
 (Optimizer "AdaptiveStochasticGradientDescent")
 (Registration "MultiResolutionRegistration")
 (ResampleInterpolator "FinalBSplineInterpolator")
diff --git a/examples/exampleoutput/parameters_custom.txt b/examples/exampleoutput/parameters_custom.txt
index 438d6ecf..542b97be 100644
--- a/examples/exampleoutput/parameters_custom.txt
+++ b/examples/exampleoutput/parameters_custom.txt
@@ -1,19 +1,19 @@
 (AutomaticParameterEstimation "true")
 (AutomaticScalesEstimation "true")
 (CheckNumberOfSamples "true")
-(DefaultPixelValue 0.000000)
-(FinalBSplineInterpolationOrder 3.000000)
+(DefaultPixelValue 0)
+(FinalBSplineInterpolationOrder 3)
 (FixedImagePyramid "FixedSmoothingImagePyramid")
 (ImageSampler "RandomCoordinate")
 (Interpolator "LinearInterpolator")
-(MaximumNumberOfIterations 256.000000)
-(MaximumNumberOfSamplingAttempts 8.000000)
+(MaximumNumberOfIterations 256)
+(MaximumNumberOfSamplingAttempts 8)
 (Metric "AdvancedMattesMutualInformation")
 (MovingImagePyramid "MovingSmoothingImagePyramid")
 (NewSamplesEveryIteration "true")
-(NumberOfResolutions 4.000000)
-(NumberOfSamplesForExactGradient 4096.000000)
-(NumberOfSpatialSamples 2048.000000)
+(NumberOfResolutions 4)
+(NumberOfSamplesForExactGradient 4096)
+(NumberOfSpatialSamples 2048)
 (Optimizer "AdaptiveStochasticGradientDescent")
 (Registration "MultiResolutionRegistration")
 (ResampleInterpolator "FinalBSplineInterpolator")