TotalVariation algorithms. itkProxTVImageFilter provides a wrap for the external project proxTV: https://github.com/albarji/proxTV
ITK provides wrapping for Windows, macOS and Linux:
import itk
Dimension = 3
I = itk.Image[itk.F, Dimension]
reader = itk.ImageFileReader[I].New(FileName=file_name)
reader.Update()
image = reader.GetOutput()
tv = itk.ProxTVImageFilter[I, I].New()
tv.SetInput(image)
tv.SetMaximumNumberOfIterations(10)
tv.SetWeights(100)
tv.Update()
output_file_name="/tmp/tvout.nrrd"
itk.imwrite(tv.GetOutput(), output_file_name)Examples of 3D image denoised
Original:
TotalVariation denoised:
Original:
Denoised:
To install the binary Python packages:
python -m pip install itk-totalvariationSince ITK 5.0.0, this module is available in the ITK source tree as a remote module. To enable it, set:
Module_TotalVariation:BOOL=ONin ITK's CMake build configuration.
This software is distributed under the Apache 2.0 license. Please see the LICENSE file for details.
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