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#
# Example on the use of the CannyEdgeDetection filter
#
package require InsightToolkit
set reader [ itkImageFileReaderF2_New ]
set writer [ itkImageFileWriterUC2_New ]
set outputCast [ itkRescaleIntensityImageFilterF2UC2_New ]
set filter [ itkCannyEdgeDetectionImageFilterF2F2_New ]
$filter SetInput [ $reader GetOutput ]
$outputCast SetInput [ $filter GetOutput ]
$writer SetInput [ $outputCast GetOutput ]
$reader SetFileName [lindex $argv 0]
$writer SetFileName [lindex $argv 1]
$outputCast SetOutputMinimum 0
$outputCast SetOutputMaximum 255
set variance [expr [lindex $argv 2]]
set threshold [expr [lindex $argv 3]]
$filter SetVariance $variance
$filter SetThreshold $threshold
$writer Update
exit
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