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#
# Example on the use of the CannyEdgeDetectionImageFilter
#
from InsightToolkit import *
from sys import argv
reader = itkImageFileReaderF2_New()
writer = itkImageFileWriterUC2_New()
outputCast = itkRescaleIntensityImageFilterF2UC2_New()
filter = itkCannyEdgeDetectionImageFilterF2F2_New()
filter.SetInput( reader.GetOutput() )
outputCast.SetInput( filter.GetOutput() )
writer.SetInput( outputCast.GetOutput() )
reader.SetFileName( argv[1] )
writer.SetFileName( argv[2] )
outputCast.SetOutputMinimum( 0 )
outputCast.SetOutputMaximum( 255 )
variance = eval( argv[3] )
threshold = eval( argv[4] )
filter.SetVariance( variance )
filter.SetThreshold( threshold )
writer.Update()
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