ITK  5.2.0
Insight Toolkit
SphinxExamples/src/Filtering/Thresholding/ThresholdAnImageUsingBinary/Code.py
1 #!/usr/bin/env python
2 
3 # Copyright NumFOCUS
4 #
5 # Licensed under the Apache License, Version 2.0 (the "License");
6 # you may not use this file except in compliance with the License.
7 # You may obtain a copy of the License at
8 #
9 # http://www.apache.org/licenses/LICENSE-2.0.txt
10 #
11 # Unless required by applicable law or agreed to in writing, software
12 # distributed under the License is distributed on an "AS IS" BASIS,
13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 # See the License for the specific language governing permissions and
15 # limitations under the License.
16 
17 import sys
18 import itk
19 
20 if len(sys.argv) != 7:
21  print("Usage: " + sys.argv[0] + " <inputImage> <outputImage> "
22  "<lowerThreshold> <upperThreshold> <outsideValue> <insideValue>")
23  sys.exit(1)
24 
25 inputImage = sys.argv[1]
26 outputImage = sys.argv[2]
27 lowerThreshold = int(sys.argv[3])
28 upperThreshold = int(sys.argv[4])
29 outsideValue = int(sys.argv[5])
30 insideValue = int(sys.argv[6])
31 
32 PixelType = itk.UC
33 Dimension = 2
34 
35 ImageType = itk.Image[PixelType, Dimension]
36 
37 reader = itk.ImageFileReader[ImageType].New()
38 reader.SetFileName(inputImage)
39 
40 thresholdFilter = itk.BinaryThresholdImageFilter[ImageType, ImageType].New()
41 thresholdFilter.SetInput(reader.GetOutput())
42 
43 thresholdFilter.SetLowerThreshold(lowerThreshold)
44 thresholdFilter.SetUpperThreshold(upperThreshold)
45 thresholdFilter.SetOutsideValue(outsideValue)
46 thresholdFilter.SetInsideValue(insideValue)
47 
48 writer = itk.ImageFileWriter[ImageType].New()
49 writer.SetFileName(outputImage)
50 writer.SetInput(thresholdFilter.GetOutput())
51 
52 writer.Update()
itk::BinaryThresholdImageFilter
Binarize an input image by thresholding.
Definition: itkBinaryThresholdImageFilter.h:139
itk::ImageFileReader
Data source that reads image data from a single file.
Definition: itkImageFileReader.h:75
itk::ImageFileWriter
Writes image data to a single file.
Definition: itkImageFileWriter.h:87
itk::Image
Templated n-dimensional image class.
Definition: itkImage.h:86