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#==========================================================================
#
# Copyright Insight Software Consortium
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0.txt
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#==========================================================================*/
from InsightToolkit import *
import itkTesting
import sys
import os
import shutil
basename = os.path.basename(sys.argv[0])
name = os.path.splitext(basename)[0]
dir = "Algorithms"
testInput = itkTesting.ITK_TEST_INPUT
testOutput = itkTesting.ITK_TEST_OUTPUT
baseLine = itkTesting.ITK_TEST_BASELINE
reader = itkImageFileReaderF2_New()
reader.SetFileName(testInput + "/cthead1.png")
cf = itkCurvatureFlowImageFilterF2F2_New()
cf.SetInput(reader.GetOutput())
cf.SetTimeStep(0.25)
cf.SetNumberOfIterations(10)
cfss = itkShiftScaleImageFilterF2US2_New()
cfss.SetInput(cf.GetOutput())
cfss.SetShift(0.7)
cfss.SetScale(0.9)
valid = itkImageFileReaderUS2_New()
valid.SetFileName(baseLine + "/" + dir + "/" + name + ".png")
diff = itkDifferenceImageFilterUS2_New()
diff.SetValidInput(valid.GetOutput())
diff.SetTestInput(cfss.GetOutput())
diff.SetToleranceRadius(1)
diff.SetDifferenceThreshold(0)
diff.Update()
meanDiff = diff.GetMeanDifference()
totalDiff = diff.GetTotalDifference()
print("MeanDifference = ", meanDiff)
print("TotalDifference = ", totalDiff)
print ("<DartMeasurement name=\"MeanDifference\" type=\"numeric/double\">",
meanDiff, "</DartMeasurement>")
print ("<DartMeasurement name=\"TotalDifference\" type=\"numeric/double\">",
totalDiff, "</DartMeasurement>")
if (meanDiff > 0.1):
convert = itkCastImageFilterUS2UC2_New()
rescale = itkRescaleIntensityImageFilterUS2UC2_New()
rescale.SetInput(diff.GetOutput())
rescale.SetOutputMinimum(0)
rescale.SetOutputMaximum(255)
io = itkPNGImageIO_New()
io.SetUseCompression(1)
io.SetCompressionLevel(9)
writer = itkImageFileWriterUC2_New()
writer.SetImageIO(io.GetPointer())
writer.SetInput(convert.GetOutput())
writer.SetFileName(testOutput + "/" + name + ".test.png")
convert.SetInput(cfss.GetOutput())
writer.Write()
writer.SetFileName(testOutput + "/" + name + ".diff.png")
writer.SetInput(rescale.GetOutput())
writer.Write()
shutil.copyfile(
baseLine +
"/" +
dir +
"/" +
name +
".png",
testOutput +
"/" +
name +
".valid.png")
print ("<DartMeasurementFile name=\"TestImage\" type=\"image/png\">" +
testOutput + "/" + name + ".test.png</DartMeasurementFile>")
print ("<DartMeasurementFile name=\"DifferenceImage\" type=\"image/png\">"
+ testOutput + "/" + name + ".diff.png</DartMeasurementFile>")
print ("<DartMeasurementFile name=\"ValidImage\" type=\"image/png\">" +
testOutput + "/" + name + ".valid.png</DartMeasurementFile>")
pr = "<DartMeasurement name=\"DifferenceShift\" type=\"numeric/double\">"
print (pr, rescale.GetShift(), "</DartMeasurement>")
pr = "<DartMeasurement name=\"DifferenceScale\" type=\"numeric/double\">"
print (pr, rescale.GetScale(), "</DartMeasurement>")
# return 1
# return 0
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