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#!/usr/bin/env python
## Program: VMTK
## Module: $RCSfile: vmtkimageobjectenhancement.py,v $
## Language: Python
## Date: $Date: 2006/07/17 09:53:14 $
## Version: $Revision: 1.8 $
## Copyright (c) Luca Antiga, David Steinman. All rights reserved.
## See LICENCE file for details.
## This software is distributed WITHOUT ANY WARRANTY; without even
## the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
## PURPOSE. See the above copyright notices for more information.
import vtk
import sys
import pypes
import vtkvmtk
vmtkimageobjectenhancement = 'vmtkImageObjectEnhancement'
class vmtkImageObjectEnhancement(pypes.pypeScript):
def __init__(self):
pypes.pypeScript.__init__(self)
self.Image = None
self.ScalesImage = None
self.EnhancedImage = None
self.SigmaMin = 1.0
self.SigmaMax = 1.0
self.NumberOfSigmaSteps = 1
self.Alpha = 0.5
self.Beta = 0.5
self.Gamma = 5.0
self.ObjectDimension = 0
self.SetScriptName('vmtkimageobjectenhancement')
self.SetScriptDoc('compute a feature image for use in segmentation')
self.SetInputMembers([
['Image','i','vtkImageData',1,'','the input image','vmtkimagereader'],
['SigmaMin','sigmamin','float',1,'(0.0,)'],
['SigmaMax','sigmamax','float',1,'(0.0,)'],
['NumberOfSigmaSteps','sigmasteps','int',1,'(0,)'],
['Alpha','alpha','float',1,'(0.0,)',''],
['Beta','beta','float',1,'(0.0,)',''],
['Gamma','gamma','float',1,'(0.0,)',''],
['ObjectDimension','dimension','int',1,'(0,2)','']
])
self.SetOutputMembers([
['Image','o','vtkImageData',1,'','the output image','vmtkimagewriter'],
['ScalesImage','oscales','vtkImageData',1,'','the scales image','vmtkimagewriter']
])
def ApplyObjectness(self):
objectness = vtkvmtk.vtkvmtkObjectnessMeasureImageFilter()
objectness.SetInput(self.Image)
objectness.SetSigmaMin(self.SigmaMin)
objectness.SetSigmaMax(self.SigmaMax)
objectness.SetNumberOfSigmaSteps(self.NumberOfSigmaSteps)
objectness.SetAlpha(self.Alpha)
objectness.SetBeta(self.Beta)
objectness.SetGamma(self.Gamma)
objectness.SetObjectDimension(self.ObjectDimension)
objectness.Update()
self.EnhancedImage = vtk.vtkImageData()
self.EnhancedImage.DeepCopy(objectness.GetOutput())
self.ScalesImage = vtk.vtkImageData()
self.ScalesImage.DeepCopy(objectness.GetScalesOutput())
def Execute(self):
if self.Image == None:
self.PrintError('Error: No input image.')
if self.SigmaMax < self.SigmaMin:
self.SigmaMax = self.SigmaMin
self.ApplyObjectness()
self.Image = self.EnhancedImage
if __name__=='__main__':
main = pypes.pypeMain()
main.Arguments = sys.argv
main.Execute()
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