ITK  5.4.0
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 # https://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 itk
18 import argparse
19 
20 parser = argparse.ArgumentParser(description="Threshold An Image Using Binary.")
21 parser.add_argument("input_image")
22 parser.add_argument("output_image")
23 parser.add_argument("lower_threshold", type=int)
24 parser.add_argument("upper_threshold", type=int)
25 parser.add_argument("outside_value", type=int)
26 parser.add_argument("inside_value", type=int)
27 args = parser.parse_args()
28 
29 PixelType = itk.UC
30 Dimension = 2
31 
32 ImageType = itk.Image[PixelType, Dimension]
33 
34 reader = itk.ImageFileReader[ImageType].New()
35 reader.SetFileName(args.input_image)
36 
37 thresholdFilter = itk.BinaryThresholdImageFilter[ImageType, ImageType].New()
38 thresholdFilter.SetInput(reader.GetOutput())
39 
40 thresholdFilter.SetLowerThreshold(args.lower_threshold)
41 thresholdFilter.SetUpperThreshold(args.upper_threshold)
42 thresholdFilter.SetOutsideValue(args.outside_value)
43 thresholdFilter.SetInsideValue(args.inside_value)
44 
45 writer = itk.ImageFileWriter[ImageType].New()
46 writer.SetFileName(args.output_image)
47 writer.SetInput(thresholdFilter.GetOutput())
48 
49 writer.Update()
itk::BinaryThresholdImageFilter
Binarize an input image by thresholding.
Definition: itkBinaryThresholdImageFilter.h:132
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:88
itk::Image
Templated n-dimensional image class.
Definition: itkImage.h:88
New
static Pointer New()