# Latest

**URL:** https://discourse.itk.org/latest.md?page=75

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

**Page:** 76

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## [How to merge two labels in an labeled image](https://discourse.itk.org/t/how-to-merge-two-labels-in-an-labeled-image/2595)

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**Author:** [@EE18D504\_SINDHURA\_C](https://discourse.itk.org/u/EE18D504_SINDHURA_C)\
**Replies:** 2\
**Last updated:** [January 9, 2020, 2:12pm UTC](https://discourse.itk.org/t/how-to-merge-two-labels-in-an-labeled-image/2595 "2020-01-09T14:12:28Z")

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I have an image with three or four labels and i want to merge two of them and label it as a single label. How to do it? Convert 3D GUI is not helping me regarding this. Any way through ITK Snap or slicer or ITK modules a…

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## [Issue Download new website](https://discourse.itk.org/t/issue-download-new-website/2589)

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**Author:** [@fraca](https://discourse.itk.org/u/fraca)\
**Replies:** 4\
**Last updated:** [January 9, 2020, 8:07am UTC](https://discourse.itk.org/t/issue-download-new-website/2589 "2020-01-09T08:07:52Z")

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I’m having some issues trying to download the stable version of ITK (5.0.1) from the new website. The download starts, but after some minutes the download speed decreases and it fails. I don’t have the same problem if i …

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## [How to disable print messages from ITK functions](https://discourse.itk.org/t/how-to-disable-print-messages-from-itk-functions/2590)

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**Author:** [@pradeep](https://discourse.itk.org/u/pradeep)\
**Replies:** 8\
**Last updated:** [January 8, 2020, 2:27pm UTC](https://discourse.itk.org/t/how-to-disable-print-messages-from-itk-functions/2590 "2020-01-08T14:27:31Z")

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I am using GPUAnisotropicSmoothingFilter for running some benchmarks and the printout similar to the below appears quite a lot disrupting the outptu from the benchmark reporting tool I use. Is there a way to disable such…

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## [TileImageFilter and Direction/Orientation](https://discourse.itk.org/t/tileimagefilter-and-direction-orientation/2592)

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**Author:** [@spinicist](https://discourse.itk.org/u/spinicist)\
**Replies:** 2\
**Last updated:** [January 8, 2020, 1:29pm UTC](https://discourse.itk.org/t/tileimagefilter-and-direction-orientation/2592 "2020-01-08T13:29:34Z")

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Hello, (Apologies, I feel like I asked this question a long time ago and maybe I forgot the answer). I am combing several 3D volumes into a 4D series with TileImageFilter. TileImageFilter does not take account of the d…

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## [itk.org website revamp](https://discourse.itk.org/t/itk-org-website-revamp/2578)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 8\
**Last updated:** [January 7, 2020, 4:35pm UTC](https://discourse.itk.org/t/itk-org-website-revamp/2578 "2020-01-07T16:35:59Z")

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@SteveJ and the Kitware’s Communication team have contributed a major refresh to ITK’s website! :nail\_care: :tada: https://itk.org/ We are grateful to ring in 2020 with a nice website facelift. Redirects were set u…

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## [3D cross correlation considering the neighborhood pixels](https://discourse.itk.org/t/3d-cross-correlation-considering-the-neighborhood-pixels/2584)

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**Author:** [@EE18D504\_SINDHURA\_C](https://discourse.itk.org/u/EE18D504_SINDHURA_C)\
**Replies:** 0\
**Last updated:** [January 6, 2020, 9:58am UTC](https://discourse.itk.org/t/3d-cross-correlation-considering-the-neighborhood-pixels/2584 "2020-01-06T09:58:22Z")

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I want to correlate two 3D images considering the neighborhood pixels. I couldn’t find any example based on it. Can i use ANTScrosscorrelation metric to do so? Is there any example related to this?

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## [When we will see the ITK 5 stable release in Debian?](https://discourse.itk.org/t/when-we-will-see-the-itk-5-stable-release-in-debian/2580)

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**Author:** [@ZSmain](https://discourse.itk.org/u/ZSmain)\
**Replies:** 2\
**Last updated:** [January 3, 2020, 7:12pm UTC](https://discourse.itk.org/t/when-we-will-see-the-itk-5-stable-release-in-debian/2580 "2020-01-03T19:12:48Z")

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It’s known that Debian, the stable release will only ship stable releases of packages, but Its not there yet, not even in the testing release! Is there an official responsible for packaging ITK binaries and development …

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## [Old ITK logo used for Apple Touch Icon](https://discourse.itk.org/t/old-itk-logo-used-for-apple-touch-icon/2394)

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**Author:** [@jamesobutler](https://discourse.itk.org/u/jamesobutler)\
**Replies:** 9\
**Last updated:** [January 3, 2020, 4:45pm UTC](https://discourse.itk.org/t/old-itk-logo-used-for-apple-touch-icon/2394 "2020-01-03T16:45:27Z")

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When the ITK logo was updated as part of the discussion https://discourse.itk.org/t/updated-itk-logo/269, its usage on the website, including the defined favicon, was updated, but not the “Apple Touch Icon” (see definiti…

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## [ITK website broken (at least for me?)](https://discourse.itk.org/t/itk-website-broken-at-least-for-me/2569)

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**Author:** [@Simon](https://discourse.itk.org/u/Simon)\
**Replies:** 6\
**Last updated:** [January 2, 2020, 7:45pm UTC](https://discourse.itk.org/t/itk-website-broken-at-least-for-me/2569 "2020-01-02T19:45:44Z")

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I’m not sure if this is universal, but after seeing the 5.1 announcement I went to have a look at https://itk.org/, and it is full of broken links. For example https://itk.org/ItkSoftwareGuide.pdf now gives 404 not foun…

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## [Enable Issues on Cuberille Repository?](https://discourse.itk.org/t/enable-issues-on-cuberille-repository/2574)

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**Author:** [@DVigneault](https://discourse.itk.org/u/DVigneault)\
**Replies:** 2\
**Last updated:** [December 31, 2019, 3:14pm UTC](https://discourse.itk.org/t/enable-issues-on-cuberille-repository/2574 "2019-12-31T15:14:38Z")

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All– I’ve noticed that the itkcuberille repository on GitHub does not have Issues enabled–I believe this is because the repo is forked from the original Insight Journal repository, and issues are not enabled by default …

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## [Concept of ITK pipeline and correlation to source repo structure](https://discourse.itk.org/t/concept-of-itk-pipeline-and-correlation-to-source-repo-structure/2572)

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**Author:** [@Jigabytes](https://discourse.itk.org/u/Jigabytes)\
**Replies:** 4\
**Last updated:** [December 26, 2019, 9:21pm UTC](https://discourse.itk.org/t/concept-of-itk-pipeline-and-correlation-to-source-repo-structure/2572 "2019-12-26T21:21:15Z")

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Hi All, I am in process to come up with a source code structure that I developed my prototype use case using simple ITK and python. I wanted to learn concept of pipeline in ITK does it have any correlation to how I would…

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## [Build ITK for older CPUs](https://discourse.itk.org/t/build-itk-for-older-cpus/2570)

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**Author:** [@nm97](https://discourse.itk.org/u/nm97)\
**Replies:** 3\
**Last updated:** [December 25, 2019, 4:36pm UTC](https://discourse.itk.org/t/build-itk-for-older-cpus/2570 "2019-12-25T16:36:33Z")

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Hi, I would like to know what would be the best way to build ITK for different set of CPU instrctions. I get crash for certain machines that do not have SSE4 or SSE3 CPU instruction. Is it possible to build multiple d…

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## [How to segment the area of interest in the image](https://discourse.itk.org/t/how-to-segment-the-area-of-interest-in-the-image/2565)

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**Author:** [@haodafeng](https://discourse.itk.org/u/haodafeng)\
**Replies:** 3\
**Last updated:** [December 25, 2019, 12:32am UTC](https://discourse.itk.org/t/how-to-segment-the-area-of-interest-in-the-image/2565 "2019-12-25T00:32:30Z")

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i am a beginer of the ITK, as the title, i want to segment the specified region of the image , how can i do?

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## [ITK 5.1 Release Candidate 1 available for testing](https://discourse.itk.org/t/itk-5-1-release-candidate-1-available-for-testing/2568)

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**Author:** [@matt.mccormick](https://discourse.itk.org/u/matt.mccormick)\
**Replies:** 0\
**Last updated:** [December 23, 2019, 10:33pm UTC](https://discourse.itk.org/t/itk-5-1-release-candidate-1-available-for-testing/2568 "2019-12-23T22:33:07Z")

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We are happy to announce the Insight Toolkit (ITK) 5.1 Release Candidate 1 is available for testing! :tada: ITK is an open-source, cross-platform toolkit for N-dimensional scientific image processing, segmentation, and r…

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## [CDash \[Insight\] - Update Errors](https://discourse.itk.org/t/cdash-insight-update-errors/2553)

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**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 8\
**Last updated:** [December 23, 2019, 7:56pm UTC](https://discourse.itk.org/t/cdash-insight-update-errors/2553 "2019-12-23T19:56:55Z")

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itk.org is undergoing a makeover. I guess git infrastructure is being removed from it, now that we have migrated to GitHub. I got the following email: corista.kitware has encountered errors during the Update step and y…

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## [KdTree Example](https://discourse.itk.org/t/kdtree-example/2567)

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**Author:** [@fraca](https://discourse.itk.org/u/fraca)\
**Replies:** 2\
**Last updated:** [December 23, 2019, 4:10pm UTC](https://discourse.itk.org/t/kdtree-example/2567 "2019-12-23T16:10:16Z")

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I’m trying to run this example but i have some issues with an error right here. Can you help me? The error is related to the push\_back int index = 0; for (unsigned int i = 0; i \< 2; i++) { MembershipFunctionType::P…

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## [VTKGlue and ITKVtkGlue.castxml.inc](https://discourse.itk.org/t/vtkglue-and-itkvtkglue-castxml-inc/2566)

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**Author:** [@melrobin](https://discourse.itk.org/u/melrobin)\
**Replies:** 1\
**Last updated:** [December 23, 2019, 3:48am UTC](https://discourse.itk.org/t/vtkglue-and-itkvtkglue-castxml-inc/2566 "2019-12-23T03:48:44Z")

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I am trying to fix a problem compiling VTKGlue. Can you tell me how the build system produces the file./Wrapping/ITKVtkGlue.castxml.inc? I have poured the CMakeList.txt, but cannot tell where this is done.

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## [The program seems suspended (or halted) when it reached to the line Updating the Simplex filter](https://discourse.itk.org/t/the-program-seems-suspended-or-halted-when-it-reached-to-the-line-updating-the-simplex-filter/2555)

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**Author:** [@Sara\_Caffe](https://discourse.itk.org/u/Sara_Caffe)\
**Replies:** 5\
**Last updated:** [December 22, 2019, 4:00pm UTC](https://discourse.itk.org/t/the-program-seems-suspended-or-halted-when-it-reached-to-the-line-updating-the-simplex-filter/2555 "2019-12-22T16:00:50Z")

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Hi everyone, I followed all the comments here, and I am trying to apply the deformation as a post-processing step for the segmentation results. I have applied this algorithm to my data. I have the following files: a m…

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## [Filters equivalent to ConfidenceConnected Filter](https://discourse.itk.org/t/filters-equivalent-to-confidenceconnected-filter/2515)

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**Author:** [@Jigabytes](https://discourse.itk.org/u/Jigabytes)\
**Replies:** 7\
**Last updated:** [December 22, 2019, 4:22am UTC](https://discourse.itk.org/t/filters-equivalent-to-confidenceconnected-filter/2515 "2019-12-22T04:22:32Z")

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Hi All, I am working to detect my target in CT scan using simple ITK and python. I am forming list of seeds and passing it to confidence connected filter but what I observed is there are cases when as soon as I add one i…

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## [vtkTypeMacro compile error](https://discourse.itk.org/t/vtktypemacro-compile-error/2559)

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**Author:** [@sag](https://discourse.itk.org/u/sag)\
**Replies:** 1\
**Last updated:** [December 21, 2019, 7:47am UTC](https://discourse.itk.org/t/vtktypemacro-compile-error/2559 "2019-12-21T07:47:53Z")

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Hi, any body know what is the header for vtkTypeMacro, I definition of it in vtkSetGet.h, but even that could not remove the compile error?! any ideas how to fix this? Regards, sag

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## [vtk polydata file](https://discourse.itk.org/t/vtk-polydata-file/2558)

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**Author:** [@nour](https://discourse.itk.org/u/nour)\
**Replies:** 3\
**Last updated:** [December 20, 2019, 9:28pm UTC](https://discourse.itk.org/t/vtk-polydata-file/2558 "2019-12-20T21:28:35Z")

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I used to convert nifti file to .vtk file but what I noticed that there are many versions. I need # vtk DataFile Version 3.0 but this code gives me # vtk DataFile Version 4.2. import vtk import sys reader = vtk.vtkNIF…

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## [vtkSmartPointer\<CMyClass\> does not compile](https://discourse.itk.org/t/vtksmartpointer-cmyclass-does-not-compile/2557)

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**Author:** [@sag](https://discourse.itk.org/u/sag)\
**Replies:** 3\
**Last updated:** [December 20, 2019, 6:22pm UTC](https://discourse.itk.org/t/vtksmartpointer-cmyclass-does-not-compile/2557 "2019-12-20T18:22:41Z")

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Hi, I would like to pass a regular c++ class to my vtkSmartPointer object, obviously I have difficulty to compile it! What I did I drived it from vtkObject class: class vtkFile : public vtkObject { private: std\>\>vec…

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## [how to modify Medical4 example of vtk to accept DICOM format slices](https://discourse.itk.org/t/how-to-modify-medical4-example-of-vtk-to-accept-dicom-format-slices/2549)

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**Author:** [@sag](https://discourse.itk.org/u/sag)\
**Replies:** 4\
**Last updated:** [December 20, 2019, 12:48pm UTC](https://discourse.itk.org/t/how-to-modify-medical4-example-of-vtk-to-accept-dicom-format-slices/2549 "2019-12-20T12:48:37Z")

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Hi, I am trying to replace quarter.1…quater.xx with quarter1.dcm…quarterxx.dcm, questions: what is the format of headsq/quarter.1…quarter.xx? how to convert DICOM slices to headsq slice formats? would be that fixed w…

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## [SetMembershipFunctions](https://discourse.itk.org/t/setmembershipfunctions/2556)

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**Author:** [@fraca](https://discourse.itk.org/u/fraca)\
**Replies:** 0\
**Last updated:** [December 20, 2019, 9:10am UTC](https://discourse.itk.org/t/setmembershipfunctions/2556 "2019-12-20T09:10:01Z")

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I’m trying to use this function but i have some issues because i don’t know how to convert my array for this function. Can you help me? std::vector \< unsigned int \> classLabels; classLabels.resize(numberOfClasses); …

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## [How to draw a circle or plane on an existing 3d image?](https://discourse.itk.org/t/how-to-draw-a-circle-or-plane-on-an-existing-3d-image/2550)

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**Author:** [@EE18D504\_SINDHURA\_C](https://discourse.itk.org/u/EE18D504_SINDHURA_C)\
**Replies:** 3\
**Last updated:** [December 20, 2019, 1:05am UTC](https://discourse.itk.org/t/how-to-draw-a-circle-or-plane-on-an-existing-3d-image/2550 "2019-12-20T01:05:38Z")

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I want to draw a plane(say I have the plane equation) on a 3d image. Is there any option to do so in ITK snap or slicer? If not what could be the approach through ITK?

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## [Brain mask for human brain registration](https://discourse.itk.org/t/brain-mask-for-human-brain-registration/2534)

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**Author:** [@fangc](https://discourse.itk.org/u/fangc)\
**Replies:** 3\
**Last updated:** [December 19, 2019, 8:46pm UTC](https://discourse.itk.org/t/brain-mask-for-human-brain-registration/2534 "2019-12-19T20:46:06Z")

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Hello, I am currently working on a project of within subject registration of T1 and T2 images on human brains, and I want to add a brain mask to the registration. Does ITK have a class for automated brain extraction? An…

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## [ITK on Windows \[SOLVED\]](https://discourse.itk.org/t/itk-on-windows-solved/2552)

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**Author:** [@fraca](https://discourse.itk.org/u/fraca)\
**Replies:** 2\
**Last updated:** [December 19, 2019, 7:35pm UTC](https://discourse.itk.org/t/itk-on-windows-solved/2552 "2019-12-19T19:35:56Z")

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Hi, there’s an another way to build the ITK library for c++, without using VS2019, due to the issues that it has?

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## [save and write a .vtk polydata file](https://discourse.itk.org/t/save-and-write-a-vtk-polydata-file/2516)

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**Author:** [@nour](https://discourse.itk.org/u/nour)\
**Replies:** 12\
**Last updated:** [December 19, 2019, 2:16pm UTC](https://discourse.itk.org/t/save-and-write-a-vtk-polydata-file/2516 "2019-12-19T14:16:29Z")

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I used this puyhon code to convert nifti file to .vtk polydata meshes import itk import vtk input\_filename = '/home/nour/Bureau/7ans/244/whatIneed/244seg\_pve\_2.nii.gz' reader=itk.ImageFileReader\[itk.Image\[itk.UC,3\]\].New…

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## [DICOMSeriesImageReadWrite2.cxx view nrrd file online or MFC or frontend javascript or html5](https://discourse.itk.org/t/dicomseriesimagereadwrite2-cxx-view-nrrd-file-online-or-mfc-or-frontend-javascript-or-html5/2541)

<div class="topic-metadata">

**Author:** [@sag](https://discourse.itk.org/u/sag)\
**Replies:** 4\
**Last updated:** [December 18, 2019, 7:57pm UTC](https://discourse.itk.org/t/dicomseriesimagereadwrite2-cxx-view-nrrd-file-online-or-mfc-or-frontend-javascript-or-html5/2541 "2019-12-18T19:57:06Z")

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Hi, I used the DicomSeriesImageReadWrite2.cxx to read a Dicom series of 207 dicom files. It seems working now but I created a huge nrrd file which takes forever to view with UCLA online Brian viewer, any idea if there i…

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## [Error using itkNormalizedMutualInformationHistogramImageToImageMetric](https://discourse.itk.org/t/error-using-itknormalizedmutualinformationhistogramimagetoimagemetric/2540)

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**Author:** [@fangc](https://discourse.itk.org/u/fangc)\
**Replies:** 3\
**Last updated:** [December 18, 2019, 4:23pm UTC](https://discourse.itk.org/t/error-using-itknormalizedmutualinformationhistogramimagetoimagemetric/2540 "2019-12-18T16:23:46Z")

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Hello, I am trying to use the metric of Normalized Mutual Information for rigid registration. Here is part of my code: #include "itkImageRegistrationMethodv4.h" #include "itkVersorRigid3DTransform.h" #include "itkCente…

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