# Community

**URL:** https://discourse.itk.org/c/community/8.md?page=1

[Latest](https://discourse.itk.org/latest.md) · [Categories](https://discourse.itk.org/categories.md) · [Tags](https://discourse.itk.org/tags.md)

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## [Thanks and congratulations](https://discourse.itk.org/t/thanks-and-congratulations/5858)

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**Author:** [@edgar](https://discourse.itk.org/u/edgar)\
**Replies:** 0\
**Last updated:** [April 8, 2023, 1:04am UTC](https://discourse.itk.org/t/thanks-and-congratulations/5858 "2023-04-08T01:04:27Z")

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Dear community, I want to share a little nugget of joy. ITK is free software developed by scientists, engineers and other professionals. Kitware allows humanity to enjoy the benefits of it. Thank you for that. May be y…

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## [Job Opportunity at the Allen Institute: Image Registration & Multimodal Data Integration](https://discourse.itk.org/t/job-opportunity-at-the-allen-institute-image-registration-multimodal-data-integration/5782)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [March 3, 2023, 6:05pm UTC](https://discourse.itk.org/t/job-opportunity-at-the-allen-institute-image-registration-multimodal-data-integration/5782 "2023-03-03T18:05:12Z")

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Scientist I – Image Registration & Multimodal Data Integration The mission of the Allen Institute is to unlock the complexities of bioscience and advance our knowledge to improve human health. Using an open science, mul…

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## [How to Debug WASI Pipelines with ITK-Wasm](https://discourse.itk.org/t/how-to-debug-wasi-pipelines-with-itk-wasm/5778)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [March 2, 2023, 6:07pm UTC](https://discourse.itk.org/t/how-to-debug-wasi-pipelines-with-itk-wasm/5778 "2023-03-02T18:07:39Z")

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By: Matt McCormick , Mary Elise Dedicke , Jean-Christophe Fillion-Robin , Will Schroeder Effective debugging results in effective programming; itk-wasm makes effective debugging of WebAssembly possible. In this tutorial…

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## [ITK MATLAB Python Tutorial](https://discourse.itk.org/t/itk-matlab-python-tutorial/5754)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [February 24, 2023, 4:16pm UTC](https://discourse.itk.org/t/itk-matlab-python-tutorial/5754 "2023-02-24T16:16:01Z")

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By: Matt McCormick , Tom Birdsong, Brad Moore , Jake McCall, Stephen Aylward In recent years, MathWork’s MATLAB added Python support. This unlocks the capabilities of the powerful open source scientific Python ecosystem…

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## [Digital Image Correlation](https://discourse.itk.org/t/digital-image-correlation/5745)

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**Author:** [@elapins](https://discourse.itk.org/u/elapins)\
**Replies:** 0\
**Last updated:** [February 22, 2023, 3:54pm UTC](https://discourse.itk.org/t/digital-image-correlation/5745 "2023-02-22T15:54:55Z")

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Can anyone help with getting a registration framework set up for the matching portion of a Digital image correlation program?? Please feel free to send me a message too! Thank you!!

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## [One example needs to be renamed (Create another instance of a filter?)](https://discourse.itk.org/t/one-example-needs-to-be-renamed-create-another-instance-of-a-filter/5680)

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**Author:** [@edgar](https://discourse.itk.org/u/edgar)\
**Replies:** 5\
**Last updated:** [February 8, 2023, 7:19pm UTC](https://discourse.itk.org/t/one-example-needs-to-be-renamed-create-another-instance-of-a-filter/5680 "2023-02-08T19:19:28Z")

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Hi, may be you are already aware, but one of the examples may need to be renamed: https://examples.itk.org/src/core/common/createanother/documentation Its summary is “Copy/duplicate a filter”, so, I assume that it shou…

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## [Funding opportunity: "Advances in Artificial Intelligence to Generate AIMI Annotations"](https://discourse.itk.org/t/funding-opportunity-advances-in-artificial-intelligence-to-generate-aimi-annotations/5685)

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**Author:** [@fedorov](https://discourse.itk.org/u/fedorov)\
**Replies:** 0\
**Last updated:** [February 8, 2023, 5:06pm UTC](https://discourse.itk.org/t/funding-opportunity-advances-in-artificial-intelligence-to-generate-aimi-annotations/5685 "2023-02-08T17:06:42Z")

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Do you have expertise using AI tools for automated annotation of cancer imaging data? Put those to work annotating data in NCI Imaging Data Commons and get funding to do this! See the details at the funding opportunity…

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## [Welcome and guide first-time contributors with a GitHub Action](https://discourse.itk.org/t/welcome-and-guide-first-time-contributors-with-a-github-action/5625)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [January 12, 2023, 4:37pm UTC](https://discourse.itk.org/t/welcome-and-guide-first-time-contributors-with-a-github-action/5625 "2023-01-12T16:37:41Z")

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By: Matt McCormick , Mary Elise Dedicke , Jon Haitz Legarreta Gorroño , Stephen Aylward , Will Schroeder Back in the day, before open source won the Closed vs. Open Wars (especially in scientific computing), RTFM. w…

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## [Threshold of itk::RescaleIntensityImageFilter](https://discourse.itk.org/t/threshold-of-itk-rescaleintensityimagefilter/5608)

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**Author:** [@suzume](https://discourse.itk.org/u/suzume)\
**Replies:** 5\
**Last updated:** [January 6, 2023, 12:59am UTC](https://discourse.itk.org/t/threshold-of-itk-rescaleintensityimagefilter/5608 "2023-01-06T00:59:01Z")

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I’m generating a DRR image using DigitallyReconstructedRadiograph1.cxx. I need to generate two kinds of DRR images, one only has the soft tissues and the other one only has the bone structures. I have tried to change th…

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## [ITK v5.3.0 time line](https://discourse.itk.org/t/itk-v5-3-0-time-line/4932)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 9\
**Last updated:** [December 18, 2022, 4:18pm UTC](https://discourse.itk.org/t/itk-v5-3-0-time-line/4932 "2022-12-18T16:18:20Z")

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Is there an expected road map or timeline for the v5.3.0 release?

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## [SimpleITK on alternate HW arches (ppc64le/aarch64)](https://discourse.itk.org/t/simpleitk-on-alternate-hw-arches-ppc64le-aarch64/1812)

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**Author:** [@jayfurmanek](https://discourse.itk.org/u/jayfurmanek)\
**Replies:** 11\
**Last updated:** [November 30, 2022, 6:36am UTC](https://discourse.itk.org/t/simpleitk-on-alternate-hw-arches-ppc64le-aarch64/1812 "2022-11-30T06:36:22Z")

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Hi ITK community! I’ve been running SimpleITK on ppc64le (IBM Power9 systems) and it builds and runs great. I was thinking it would be easier to contribute back for me and my team if there was a Travis job that would bu…

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## [How to remove the CT scanning bed with SimpleITK](https://discourse.itk.org/t/how-to-remove-the-ct-scanning-bed-with-simpleitk/5392)

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**Author:** [@kleingeo](https://discourse.itk.org/u/kleingeo)\
**Replies:** 8\
**Last updated:** [October 14, 2022, 12:25am UTC](https://discourse.itk.org/t/how-to-remove-the-ct-scanning-bed-with-simpleitk/5392 "2022-10-14T00:25:23Z")

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I currently have CT scans that have the scanner bed in the image. I was wondering if someone knew of a method to crop out the bed from the images with SimpleITK. I have seen some work using 3D Slicer, but as this is part…

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## [How to calculate eigen values and eigen vectors of an image](https://discourse.itk.org/t/how-to-calculate-eigen-values-and-eigen-vectors-of-an-image/5361)

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**Author:** [@cnkhanh](https://discourse.itk.org/u/cnkhanh)\
**Replies:** 2\
**Last updated:** [September 26, 2022, 1:33pm UTC](https://discourse.itk.org/t/how-to-calculate-eigen-values-and-eigen-vectors-of-an-image/5361 "2022-09-26T13:33:56Z")

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I tried to calculate eigen values and eigen vectors of an image by getting the array of the image img = sitk.ReadImage("data/image.mhd") img\_arr = sitk.GetArrayFromImage(img) w, v = numpy.linalg.eig(img\_arr) But I go…

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## [How to use ImageRegionIterator and ImageRegionConstIteratorWithIndex in python](https://discourse.itk.org/t/how-to-use-imageregioniterator-and-imageregionconstiteratorwithindex-in-python/5346)

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**Author:** [@cnkhanh](https://discourse.itk.org/u/cnkhanh)\
**Replies:** 4\
**Last updated:** [September 21, 2022, 12:05pm UTC](https://discourse.itk.org/t/how-to-use-imageregioniterator-and-imageregionconstiteratorwithindex-in-python/5346 "2022-09-21T12:05:30Z")

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I tried to write something like the below using python, I can’t find equivalence classes in python. Is there any way to do it in python? typedef itk::ImageRegionIterator\< OutputImageType \> OutIteratorType; IteratorTyp…

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## [How to fix 'itkMatrixD33' object does not support indexing (itk.BinaryMask3DMeshSource)](https://discourse.itk.org/t/how-to-fix-itkmatrixd33-object-does-not-support-indexing-itk-binarymask3dmeshsource/5347)

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**Author:** [@cnkhanh](https://discourse.itk.org/u/cnkhanh)\
**Replies:** 4\
**Last updated:** [September 21, 2022, 1:53am UTC](https://discourse.itk.org/t/how-to-fix-itkmatrixd33-object-does-not-support-indexing-itk-binarymask3dmeshsource/5347 "2022-09-21T01:53:39Z")

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The below is the code in C++ typename ImageType::DirectionType imageDirection=inputImage-\>GetDirection(); //… mesh generated using itk::BinaryMask3DMeshSource typename MeshType::Pointer mesh = meshSource-\>GetOutput()…

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## [links on pypi for itkwidgets need update](https://discourse.itk.org/t/links-on-pypi-for-itkwidgets-need-update/5273)

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**Author:** [@edgar](https://discourse.itk.org/u/edgar)\
**Replies:** 3\
**Last updated:** [August 23, 2022, 1:02am UTC](https://discourse.itk.org/t/links-on-pypi-for-itkwidgets-need-update/5273 "2022-08-23T01:02:20Z")

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Hello! I just noticed that itkwidgets · PyPI may need an update, because the mybinder.org links are kind of broken. For the interested reader, one can turn, for example: https://mybinder.org/v2/gh/InsightSoftwareConsor…

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## [Brainstorming ideas: Better Overlay Experience in Jupyter Notebooks](https://discourse.itk.org/t/brainstorming-ideas-better-overlay-experience-in-jupyter-notebooks/4514)

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**Author:** [@kolibril13](https://discourse.itk.org/u/kolibril13)\
**Replies:** 1\
**Last updated:** [July 29, 2022, 8:28pm UTC](https://discourse.itk.org/t/brainstorming-ideas-better-overlay-experience-in-jupyter-notebooks/4514 "2022-07-29T20:28:54Z")

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While iterating on a segmentation workflow, it is good to have a previous/after view. Currently, that can be done with an overlay or displaying the pictures left and right. I just want to propose some ideas that would …

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## [CT artifacts dicom examples](https://discourse.itk.org/t/ct-artifacts-dicom-examples/5110)

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**Author:** [@Jakub\_Mitura](https://discourse.itk.org/u/Jakub_Mitura)\
**Replies:** 2\
**Last updated:** [June 20, 2022, 1:25pm UTC](https://discourse.itk.org/t/ct-artifacts-dicom-examples/5110 "2022-06-20T13:25:26Z")

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Hello I am looking for some files with example of CT artifacts, optionally also MRI for educational puproses - anybody know about such examples available somewhere?

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## [ITK Examples Hackathon 2022 Summary](https://discourse.itk.org/t/itk-examples-hackathon-2022-summary/5007)

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**Author:** [@Tom\_Birdsong](https://discourse.itk.org/u/Tom_Birdsong)\
**Replies:** 0\
**Last updated:** [May 25, 2022, 12:58pm UTC](https://discourse.itk.org/t/itk-examples-hackathon-2022-summary/5007 "2022-05-25T12:58:21Z")

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Thank you to everyone who attended the ITK Examples Hackathon 2022 this past Friday! We had a great time with significant updates from remote and in-person attendees, including new C++ and Python examples, bug fixes, an …

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## [Scientist II - Computational Neuroanatomy @ Allen Institute for Brain Science](https://discourse.itk.org/t/scientist-ii-computational-neuroanatomy-allen-institute-for-brain-science/4933)

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**Author:** [@lydiang](https://discourse.itk.org/u/lydiang)\
**Replies:** 0\
**Last updated:** [April 23, 2022, 6:19am UTC](https://discourse.itk.org/t/scientist-ii-computational-neuroanatomy-allen-institute-for-brain-science/4933 "2022-04-23T06:19:40Z")

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Scientist II - Computational Neuroanatomy TLDR: create 3D models for next-generation brain atlases We seek to hire an exceptional scientist to create accurate 3D anatomical models of mouse brain structures based on mul…

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## [ITK Examples Hackathon 2022](https://discourse.itk.org/t/itk-examples-hackathon-2022/4913)

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**Author:** [@Tom\_Birdsong](https://discourse.itk.org/u/Tom_Birdsong)\
**Replies:** 0\
**Last updated:** [April 14, 2022, 2:30pm UTC](https://discourse.itk.org/t/itk-examples-hackathon-2022/4913 "2022-04-14T14:30:58Z")

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The ITK Examples hackathon aims to bring together ITK developers and new users to expand documentation and learn to use ITK tools for scientific image processing. We will focus on expanding and adding new examples to th…

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## [Compiling TubeTK v1.1 or v1.0.0 with ITK 5.3rc03](https://discourse.itk.org/t/compiling-tubetk-v1-1-or-v1-0-0-with-itk-5-3rc03/4853)

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**Author:** [@edgar](https://discourse.itk.org/u/edgar)\
**Replies:** 13\
**Last updated:** [April 12, 2022, 7:20pm UTC](https://discourse.itk.org/t/compiling-tubetk-v1-1-or-v1-0-0-with-itk-5-3rc03/4853 "2022-04-12T19:20:57Z")

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Continuing the discussion from Compiling ~MinimalPathExtraction~ with ITK 5.2.1: Hello! (This is not a request for help) I’m getting this error with v1.1 (8cb12a20) and v1.0.0 of TubeTK. samu: file is missing and no…

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## [Integrate some remote modules into ITK proper](https://discourse.itk.org/t/integrate-some-remote-modules-into-itk-proper/4909)

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**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 0\
**Last updated:** [April 12, 2022, 4:38pm UTC](https://discourse.itk.org/t/integrate-some-remote-modules-into-itk-proper/4909 "2022-04-12T16:38:16Z")

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Some remote modules have been in use for a long time, and should be integrated into the main repository (i.e. InsightSoftwareConsortium/ITK). Some examples are InsightSoftwareConsortium/ITKSplitComponents#50 and InsightS…

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## [How to convert a DcmDataSet of dcmtk to itk::Image ?](https://discourse.itk.org/t/how-to-convert-a-dcmdataset-of-dcmtk-to-itk-image/4839)

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**Author:** [@wulicheng](https://discourse.itk.org/u/wulicheng)\
**Replies:** 1\
**Last updated:** [March 1, 2022, 2:43pm UTC](https://discourse.itk.org/t/how-to-convert-a-dcmdataset-of-dcmtk-to-itk-image/4839 "2022-03-01T14:43:13Z")

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Now I have a DcmDataSet of dcmtk in my PC memory; I want to convert it to ITK image Data but not by reading a “.dcm” file.

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## [Introducing VoxLogicA -- a declarative language and interpreter for image analysis using ITK, based on "spatial model checking"](https://discourse.itk.org/t/introducing-voxlogica-a-declarative-language-and-interpreter-for-image-analysis-using-itk-based-on-spatial-model-checking/1627)

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**Author:** [@vincenzoml](https://discourse.itk.org/u/vincenzoml)\
**Replies:** 2\
**Last updated:** [February 22, 2022, 1:20pm UTC](https://discourse.itk.org/t/introducing-voxlogica-a-declarative-language-and-interpreter-for-image-analysis-using-itk-based-on-spatial-model-checking/1627 "2022-02-22T13:20:53Z")

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Hi all, I’m new to the forum, I’m here to introduce a new project, ask a question related to a possible bug in SimpleITK, and beg for some support :slight\_smile: The VoxLogicA project At the ISTI-CNR in Pisa (Italy) …

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## [Compiling ~MinimalPathExtraction~ with ITK 5.2.1](https://discourse.itk.org/t/compiling-minimalpathextraction-with-itk-5-2-1/4784)

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**Author:** [@edgar](https://discourse.itk.org/u/edgar)\
**Replies:** 21\
**Last updated:** [February 19, 2022, 8:33pm UTC](https://discourse.itk.org/t/compiling-minimalpathextraction-with-itk-5-2-1/4784 "2022-02-19T20:33:33Z")

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Hi! I am trying to build ITK with MinimalPathExtraction, because I want to try TubeTK. I am getting a compilation error. I would appreciate if we can keep my compilation flags, so that the compilation does not restart …

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## [Positions at the Allen Institute for Neural Dynamics](https://discourse.itk.org/t/positions-at-the-allen-institute-for-neural-dynamics/4805)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [February 14, 2022, 10:37pm UTC](https://discourse.itk.org/t/positions-at-the-allen-institute-for-neural-dynamics/4805 "2022-02-14T22:37:44Z")

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Positions relevant for ITK community members are available at the new Allen Institute of Neural Dynamics: https://allenneuraldynamics.github.io/ Scientist - Machine Learning in Circuit Tracing This Scientist will work…

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## [itk.org/InsightSoftwareConsortium GitHub Org verified](https://discourse.itk.org/t/itk-org-insightsoftwareconsortium-github-org-verified/4740)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [January 20, 2022, 2:57pm UTC](https://discourse.itk.org/t/itk-org-insightsoftwareconsortium-github-org-verified/4740 "2022-01-20T14:57:48Z")

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Thanks to help from @jcfr @brad.king our itk.org domain is now verified on the InsightSoftwareConsortium GitHub Organization! :tada:

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## [After Resampling Process Applying Bias Field Correction](https://discourse.itk.org/t/after-resampling-process-applying-bias-field-correction/4479)

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**Author:** [@Furkan\_Gokhan](https://discourse.itk.org/u/Furkan_Gokhan)\
**Replies:** 2\
**Last updated:** [October 7, 2021, 11:17am UTC](https://discourse.itk.org/t/after-resampling-process-applying-bias-field-correction/4479 "2021-10-07T11:17:05Z")

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Hello everyone, I am using SimpleITK library for bias field correction algorithm to preprocess on MR images but this is very time consuming because MR image ussualy has high dimension such as 152,640,640 pixel array. …

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## [Create DRR image from Chest CT scan](https://discourse.itk.org/t/create-drr-image-from-chest-ct-scan/1370)

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**Author:** [@sumedha\_singla](https://discourse.itk.org/u/sumedha_singla)\
**Replies:** 11\
**Last updated:** [September 22, 2021, 1:51pm UTC](https://discourse.itk.org/t/create-drr-image-from-chest-ct-scan/1370 "2021-09-22T13:51:14Z")

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Hi everyone, We are trying to convert 3D volumetric CT images to chest Xray (for a sake of comparison with another dataset). We use this example: The projection results in radiography-looking images but it is visuall…

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