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'''=========================================================================
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' Copyright Insight Software Consortium
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' Licensed under the Apache License, Version 2.0 (the "License");
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' you may not use this file except in compliance with the License.
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' You may obtain a copy of the License at
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' http://www.apache.org/licenses/LICENSE-2.0.txt
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' Unless required by applicable law or agreed to in writing, software
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' distributed under the License is distributed on an "AS IS" BASIS,
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' WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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' See the License for the specific language governing permissions and
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' limitations under the License.
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'========================================================================='''
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from __future__ import print_function
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import SimpleITK as sitk
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if len( sys.argv ) < 7:
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print( "Usage: NeighborhoodConnectedImageFilter inputImage outputImage lowerThreshold upperThreshold seedX seedY [seed2X seed2Y ... ]")
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reader = sitk.ImageFileReader()
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reader.SetFileName( sys.argv[1] )
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image = reader.Execute();
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# Blur using CurvatureFlowImageFilter
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blurFilter = sitk.CurvatureFlowImageFilter()
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blurFilter.SetNumberOfIterations( 5 )
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blurFilter.SetTimeStep( 0.125 )
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image = blurFilter.Execute( image )
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# Set up NeighborhoodConnectedImageFilter for segmentation
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segmentationFilter = sitk.NeighborhoodConnectedImageFilter()
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segmentationFilter.SetLower( float(sys.argv[3]) )
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segmentationFilter.SetUpper( float(sys.argv[4]) )
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segmentationFilter.SetReplaceValue( 255 )
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segmentationFilter.SetRadius( radius )
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for i in range( 5, len(sys.argv)-1, 2 ):
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seed = [int(sys.argv[i]), int(sys.argv[i+1])]
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segmentationFilter.AddSeed( seed )
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print( "Adding seed at: ", seed, " with intensity: ", image.GetPixel(*seed) )
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# Run the segmentation filter
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image = segmentationFilter.Execute( image )
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# Write out the result
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writer = sitk.ImageFileWriter()
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writer.SetFileName( sys.argv[2] )
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writer.Execute( image )
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if ( not "SITK_NOSHOW" in os.environ ):
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sitk.Show( image, "NeighborhoodConnectedThreshold" )