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#!/usr/bin/env python
#=========================================================================
#
# 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 __future__ import print_function
import SimpleITK as sitk
import sys
import os
if len ( sys.argv ) < 2:
print( "Usage: %s <input>" % ( sys.argv[0] ) )
sys.exit ( 1 )
image = sitk.Cast( sitk.ReadImage( sys.argv[1] ), sitk.sitkFloat32 )
edges = sitk.CannyEdgeDetection( image, lowerThreshold=200, upperThreshold=400, variance=[4]*3 )
stats = sitk.StatisticsImageFilter()
stats.Execute( image )
if ( not "SITK_NOSHOW" in os.environ ):
sitk.Show( sitk.Maximum( image*0.5, edges*stats.GetMaximum()*.5) )
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