# Latest

**URL:** https://discourse.itk.org/latest.md?page=11

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

**Page:** 12

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## [Change of tumor location during registration with different templates](https://discourse.itk.org/t/change-of-tumor-location-during-registration-with-different-templates/6726)

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**Author:** [@Sunita\_Patel](https://discourse.itk.org/u/Sunita_Patel)\
**Replies:** 1\
**Last updated:** [June 28, 2024, 6:40am UTC](https://discourse.itk.org/t/change-of-tumor-location-during-registration-with-different-templates/6726 "2024-06-28T06:40:52Z")

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Dear ITK forum Members, All our registrations are performed using Simple ITK. T1 weighted image is registered with SRI24 atlas (240,240,155) as a template (1st image) and with MNI152 (197,233,189) atlas (2nd image). 2n…

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## [TubeTk - Installation](https://discourse.itk.org/t/tubetk-installation/1938)

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**Author:** [@Pooja\_Virkar](https://discourse.itk.org/u/Pooja_Virkar)\
**Replies:** 5\
**Last updated:** [June 27, 2024, 5:23pm UTC](https://discourse.itk.org/t/tubetk-installation/1938 "2024-06-27T17:23:05Z")

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Hello, I would like to segment blood vessels for my project. I heard that TubeTK is good for this purpose. I am trying to install it on my Linux computer. And I am using ITK version 4.13.2 But i am getting following e…

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## [Upcoming Virtual ITK (Advanced) Training Course](https://discourse.itk.org/t/upcoming-virtual-itk-advanced-training-course/6733)

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**Author:** [@Nick\_Bearup](https://discourse.itk.org/u/Nick_Bearup)\
**Replies:** 0\
**Last updated:** [June 27, 2024, 4:36pm UTC](https://discourse.itk.org/t/upcoming-virtual-itk-advanced-training-course/6733 "2024-06-27T16:36:19Z")

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Learn from the developers of ITK! Kitware will be hosting a virtual ITK (Advanced) training course on September 11th and 12th from 1pm - 5pm EST. Register for the course prior to August 28th using the code ITKADVANCEDTR…

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## [Is Dark Mode Available?](https://discourse.itk.org/t/is-dark-mode-available/6724)

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**Author:** [@blowekamp](https://discourse.itk.org/u/blowekamp)\
**Replies:** 3\
**Last updated:** [June 27, 2024, 2:57pm UTC](https://discourse.itk.org/t/is-dark-mode-available/6724 "2024-06-27T14:57:52Z")

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Is Dark Mode available for ITK Discourse? It is coming up by default for other discourse servers like 3D Slicer, but not here and I don’t see a setting any place.

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## [It is impossible to perform the fast Fourier transform on the image.](https://discourse.itk.org/t/it-is-impossible-to-perform-the-fast-fourier-transform-on-the-image/6717)

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**Author:** [@xem123](https://discourse.itk.org/u/xem123)\
**Replies:** 6\
**Last updated:** [June 27, 2024, 12:04pm UTC](https://discourse.itk.org/t/it-is-impossible-to-perform-the-fast-fourier-transform-on-the-image/6717 "2024-06-27T12:04:50Z")

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Hi all: question：I want to use the functions “itk::RealToHalfHermitianForwardFFTImageFilter” in ITK version 5.3 to perform fast Fourier transform and filtering on the image. However, an error occurred after I input an i…

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## [Temporal Dimension Semantics in 2D + Time Image Series Written Out As 3D Image](https://discourse.itk.org/t/temporal-dimension-semantics-in-2d-time-image-series-written-out-as-3d-image/6708)

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**Author:** [@constantine](https://discourse.itk.org/u/constantine)\
**Replies:** 8\
**Last updated:** [June 25, 2024, 4:59am UTC](https://discourse.itk.org/t/temporal-dimension-semantics-in-2d-time-image-series-written-out-as-3d-image/6708 "2024-06-25T04:59:15Z")

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Hello Everyone, Given a bunch of 2D frames in a temporal series, what is the intended way in ITK to write those out to be recognised as 2D + t image, not just as 3D image? I’m asking because ITK-Snap or Slicer display …

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## [ITK Registration Framework Help Needed for Multimodal Image Analysis](https://discourse.itk.org/t/itk-registration-framework-help-needed-for-multimodal-image-analysis/6706)

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**Author:** [@Kelvin](https://discourse.itk.org/u/Kelvin)\
**Replies:** 2\
**Last updated:** [June 22, 2024, 6:32pm UTC](https://discourse.itk.org/t/itk-registration-framework-help-needed-for-multimodal-image-analysis/6706 "2024-06-22T18:32:23Z")

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Hello Everyone :hugs:, For my current research, which involves multimodal image processing, I need some help understanding how to use the ITK registration framework. For my project, I align brain CT and MRI pictures so…

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## [Resampled image does not match the points returned by transformpoint](https://discourse.itk.org/t/resampled-image-does-not-match-the-points-returned-by-transformpoint/3332)

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**Author:** [@prms](https://discourse.itk.org/u/prms)\
**Replies:** 8\
**Last updated:** [June 21, 2024, 3:01pm UTC](https://discourse.itk.org/t/resampled-image-does-not-match-the-points-returned-by-transformpoint/3332 "2024-06-21T15:01:03Z")

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I am applying a transform matrix to resample an MR image by following this notebook. I am able to resample the image. However, when I apply the matrix on the point to get the transformed point and compare the initial an…

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## [Cancel ElastixImageFilter.Execute()](https://discourse.itk.org/t/cancel-elastiximagefilter-execute/6634)

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**Author:** [@G\_Y](https://discourse.itk.org/u/G_Y)\
**Replies:** 2\
**Last updated:** [June 20, 2024, 9:45pm UTC](https://discourse.itk.org/t/cancel-elastiximagefilter-execute/6634 "2024-06-20T21:45:51Z")

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Hi, I have a program that sets up and calls ElastixImageFilter.Execute() from SimpleITK library when the user clicks the “Apply” button, it works fine, however sometimes the user changes mind and wants to cancel the on-g…

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## [Interpolating Between Stack of Images in 3D Slicer](https://discourse.itk.org/t/interpolating-between-stack-of-images-in-3d-slicer/6703)

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**Author:** [@valerie](https://discourse.itk.org/u/valerie)\
**Replies:** 4\
**Last updated:** [June 19, 2024, 2:59pm UTC](https://discourse.itk.org/t/interpolating-between-stack-of-images-in-3d-slicer/6703 "2024-06-19T14:59:42Z")

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Hi, I am trying to interpolate between a stack of 2D ultrasound images using multiple methods for comparison (i.e. Gaussian Kernel, Nearest Neighbor, Linear, etc.) in 3D Slicer. I posted a question in the 3D Slicer comm…

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## [Call for Papers: MICCAI’24 Workshop on Shape Analysis in Medical Imaging (SHAPEMI)](https://discourse.itk.org/t/call-for-papers-miccai-24-workshop-on-shape-analysis-in-medical-imaging-shapemi/6709)

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**Author:** [@bpaniagua](https://discourse.itk.org/u/bpaniagua)\
**Replies:** 0\
**Last updated:** [June 19, 2024, 1:35pm UTC](https://discourse.itk.org/t/call-for-papers-miccai-24-workshop-on-shape-analysis-in-medical-imaging-shapemi/6709 "2024-06-19T13:35:00Z")

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Dear all, I would like to bring to your attention the third “Shape in Medical Imaging (ShapeMI)” workshop, which is to be held in conjunction with the MICCAI 2024 conference. Best regards, Bea MICCAI SHAPEMI Worksh…

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## [ShapedNeighborhoodIterator\<\>::ConstIterator': is not a legal base class?](https://discourse.itk.org/t/shapedneighborhooditerator-constiterator-is-not-a-legal-base-class/6665)

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**Author:** [@dzenanz](https://discourse.itk.org/u/dzenanz)\
**Replies:** 4\
**Last updated:** [June 18, 2024, 5:12am UTC](https://discourse.itk.org/t/shapedneighborhooditerator-constiterator-is-not-a-legal-base-class/6665 "2024-06-18T05:12:46Z")

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I am trying to build a Slicer CLI with C++20 settings, and I am running into: M:\\a\\Sd\\ITK\\Modules\\Core\\Common\\include\\itkShapedNeighborhoodIterator.h(182,28): error C2516: 'slicer\_itk::ShapedNeighborhoodIterator\<TImage,…

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## [GDCMSeriesFileNames fails to read folder with non ascii characters](https://discourse.itk.org/t/gdcmseriesfilenames-fails-to-read-folder-with-non-ascii-characters/2365)

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**Author:** [@antoine.letouzey](https://discourse.itk.org/u/antoine.letouzey)\
**Replies:** 13\
**Last updated:** [June 17, 2024, 9:30pm UTC](https://discourse.itk.org/t/gdcmseriesfilenames-fails-to-read-folder-with-non-ascii-characters/2365 "2024-06-17T21:30:32Z")

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I’m having trouble with code that worked just fine for years. I’m trying to open a DICOM dataset from Japan and my code cannot see any files of the series folder. The code is (with placeholders for seriesUID and patient…

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## [How to combine multiple Binary Label Images to form one grayscale image?](https://discourse.itk.org/t/how-to-combine-multiple-binary-label-images-to-form-one-grayscale-image/6693)

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**Author:** [@debapriya](https://discourse.itk.org/u/debapriya)\
**Replies:** 3\
**Last updated:** [June 15, 2024, 10:53am UTC](https://discourse.itk.org/t/how-to-combine-multiple-binary-label-images-to-form-one-grayscale-image/6693 "2024-06-15T10:53:31Z")

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Hello, I have four binary label images representing four types of tissues in a tumor within the brain. I want to combine these four images into one image, and give different intensity values to each tissue. The goal is …

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## [Reading In Videofluoroscopy (VFS) AVIs, Converting to DICOM Series?](https://discourse.itk.org/t/reading-in-videofluoroscopy-vfs-avis-converting-to-dicom-series/6692)

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**Author:** [@constantine](https://discourse.itk.org/u/constantine)\
**Replies:** 9\
**Last updated:** [June 14, 2024, 12:03am UTC](https://discourse.itk.org/t/reading-in-videofluoroscopy-vfs-avis-converting-to-dicom-series/6692 "2024-06-14T00:03:43Z")

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Hello Everyone. I have a bunch of Videofluoroscopy (VFS) studies exported off the scanner in .avi format… I’m not surprised to see itk.imread('movi\_xyz.avi') in Python to tell me: RuntimeError: Could not create IO obj…

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## [Similarity measure](https://discourse.itk.org/t/similarity-measure/4680)

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**Author:** [@wangjun456](https://discourse.itk.org/u/wangjun456)\
**Replies:** 8\
**Last updated:** [June 13, 2024, 10:22am UTC](https://discourse.itk.org/t/similarity-measure/4680 "2024-06-13T10:22:28Z")

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I want to combine two similarity measures in ITK. What should I do?

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## [3D Registration of Anatomical and functional MRI of Brain Images](https://discourse.itk.org/t/3d-registration-of-anatomical-and-functional-mri-of-brain-images/6612)

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**Author:** [@debapriya](https://discourse.itk.org/u/debapriya)\
**Replies:** 25\
**Last updated:** [June 13, 2024, 5:13am UTC](https://discourse.itk.org/t/3d-registration-of-anatomical-and-functional-mri-of-brain-images/6612 "2024-06-13T05:13:32Z")

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Hello, I have anatomical MR and functional MR images of a patient with tumor in the brain. I want to transform the low resolution functional MR image in such a way that it matches in shape with the anatomical MR image. …

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## [Marker registration does not follow image registration](https://discourse.itk.org/t/marker-registration-does-not-follow-image-registration/6691)

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**Author:** [@sebquet](https://discourse.itk.org/u/sebquet)\
**Replies:** 4\
**Last updated:** [June 11, 2024, 8:57pm UTC](https://discourse.itk.org/t/marker-registration-does-not-follow-image-registration/6691 "2024-06-11T20:57:02Z")

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Hello, I registered an MRI scan to a CT scan as follows: tx = sitk.AffineTransform(fixed\_image.GetDimension()) init\_pos = sitk.CenteredTransformInitializerFilter.MOMENTS initial\_transform = sitk.CenteredTransformIniti…

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## [FDK Reconstruction error](https://discourse.itk.org/t/fdk-reconstruction-error/6680)

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**Author:** [@akshara](https://discourse.itk.org/u/akshara)\
**Replies:** 2\
**Last updated:** [June 11, 2024, 5:59am UTC](https://discourse.itk.org/t/fdk-reconstruction-error/6680 "2024-06-11T05:59:57Z")

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We’re currently engaged in CBCT reconstruction and have successfully developed a Python-based code for the task, which functions without issue. However, encountering an error during the conversion process to C++, specifi…

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## [Does Paraview support exporting/converting to dwg files?](https://discourse.itk.org/t/does-paraview-support-exporting-converting-to-dwg-files/6683)

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**Author:** [@QuanNguyen](https://discourse.itk.org/u/QuanNguyen)\
**Replies:** 1\
**Last updated:** [June 10, 2024, 2:47pm UTC](https://discourse.itk.org/t/does-paraview-support-exporting-converting-to-dwg-files/6683 "2024-06-10T14:47:12Z")

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Dear Admin Admin, please help me. Does lib ITK have support exporting/converting to dwg files with the free version? Thanks!

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## [Compiling Issue with ITKVtkGlue](https://discourse.itk.org/t/compiling-issue-with-itkvtkglue/6304)

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**Author:** [@MartinHeller](https://discourse.itk.org/u/MartinHeller)\
**Replies:** 2\
**Last updated:** [June 8, 2024, 10:48pm UTC](https://discourse.itk.org/t/compiling-issue-with-itkvtkglue/6304 "2024-06-08T22:48:29Z")

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Hi everyone I like to compile Plastimatch with ITK/VTK. During the configuration, I got following error: Plastimatch version is 1.9.4-49-g581c7692 CMake Error at //lib/cmake/ITK-5.3/Modules/ITKVtkGlue.cmake:16 (find\_p…

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## [include could not find requested file: ITKModuleExternal](https://discourse.itk.org/t/include-could-not-find-requested-file-itkmoduleexternal/6670)

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**Author:** [@Kiran\_shaji](https://discourse.itk.org/u/Kiran_shaji)\
**Replies:** 6\
**Last updated:** [June 7, 2024, 1:38pm UTC](https://discourse.itk.org/t/include-could-not-find-requested-file-itkmoduleexternal/6670 "2024-06-07T13:38:37Z")

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Hi, I’m working on ITK and I’m trying to built a remote module ‘ITKmontage’. While I’m trying to CMake the ITKmontage it’s showing error. Selecting Windows SDK version 10.0.19041.0 to target Windows 10.0.19045. CMake …

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## [Migration from setup.py to pyproject.toml for ITK modules](https://discourse.itk.org/t/migration-from-setup-py-to-pyproject-toml-for-itk-modules/6678)

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**Author:** [@simon.rit](https://discourse.itk.org/u/simon.rit)\
**Replies:** 2\
**Last updated:** [June 6, 2024, 8:54pm UTC](https://discourse.itk.org/t/migration-from-setup-py-to-pyproject-toml-for-itk-modules/6678 "2024-06-06T20:54:17Z")

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I have been quite busy preparing RTK wheels compatible with ITK v5.4.0. For Python 3.12 compatibility, I have migrated the setup.py to pyproject.toml see BUG: Fix Python wheel name of Cuda versions by SimonRit · Pull Req…

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## [How to plot the figure shown in the website](https://discourse.itk.org/t/how-to-plot-the-figure-shown-in-the-website/6674)

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**Author:** [@Kyle-RuidongLI](https://discourse.itk.org/u/Kyle-RuidongLI)\
**Replies:** 5\
**Last updated:** [June 6, 2024, 1:44pm UTC](https://discourse.itk.org/t/how-to-plot-the-figure-shown-in-the-website/6674 "2024-06-06T13:44:05Z")

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Hello, everyone! I am new to SimpleITK. I was attracted by the excellent figure shown in the website for illustrating “An abundance of filters for image segmentation workflows, from classics such as Otsu thresholding to …

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## [Is it possible to create a user-defined cost function for registration?](https://discourse.itk.org/t/is-it-possible-to-create-a-user-defined-cost-function-for-registration/6677)

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**Author:** [@Vidya](https://discourse.itk.org/u/Vidya)\
**Replies:** 0\
**Last updated:** [June 6, 2024, 7:35am UTC](https://discourse.itk.org/t/is-it-possible-to-create-a-user-defined-cost-function-for-registration/6677 "2024-06-06T07:35:45Z")

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Hi, I am trying register two images with Bspline. I tried with itk::MeanSquaresImageToImageMetricv4 and itk::MattesMutualInformationImageToImageMetricv4. Both doesn’t give the correct registration for all the images. I w…

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## [ITK to VTK Filter not working.](https://discourse.itk.org/t/itk-to-vtk-filter-not-working/6676)

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**Author:** [@Satyaj\_Bhargava](https://discourse.itk.org/u/Satyaj_Bhargava)\
**Replies:** 0\
**Last updated:** [June 5, 2024, 7:40pm UTC](https://discourse.itk.org/t/itk-to-vtk-filter-not-working/6676 "2024-06-05T19:40:28Z")

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My code here is trying to read in an image as an itk image, turn it into a vtk image, flip it across the y axis, and show it. However, the display only shows black. (pixel values of 0). Why could this be? Here is the cod…

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## [NrrdImageIO and NRRD version 5](https://discourse.itk.org/t/nrrdimageio-and-nrrd-version-5/6666)

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**Author:** [@hapap](https://discourse.itk.org/u/hapap)\
**Replies:** 5\
**Last updated:** [June 4, 2024, 4:16am UTC](https://discourse.itk.org/t/nrrdimageio-and-nrrd-version-5/6666 "2024-06-04T04:16:38Z")

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Hi! Briefly: is there a way to force ITK to write NRRD version 5 files? The longer story goes like this. I’m writing nrrd/nhrd files with using DWIImageType = itk::VectorImage\<short, 3\>; DWIImageType::Pointer dwi = D…

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## [nii image not displaying with SimpleITK gui](https://discourse.itk.org/t/nii-image-not-displaying-with-simpleitk-gui/6667)

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**Author:** [@debapriya](https://discourse.itk.org/u/debapriya)\
**Replies:** 2\
**Last updated:** [June 2, 2024, 3:19pm UTC](https://discourse.itk.org/t/nii-image-not-displaying-with-simpleitk-gui/6667 "2024-06-02T15:19:49Z")

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I have a 3D nii image representing the ROI of tumor region in brain. It is displaying properly with Slicer. However, when I try to display the same image using SimpleITK gui, I see a black image. My SimpleITK code is …

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## [After compiling the ITK and RTK libraries, cannot use breakpoints to enter the corresponding source code in debug mode](https://discourse.itk.org/t/after-compiling-the-itk-and-rtk-libraries-cannot-use-breakpoints-to-enter-the-corresponding-source-code-in-debug-mode/6660)

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**Author:** [@xem123](https://discourse.itk.org/u/xem123)\
**Replies:** 8\
**Last updated:** [June 2, 2024, 2:46am UTC](https://discourse.itk.org/t/after-compiling-the-itk-and-rtk-libraries-cannot-use-breakpoints-to-enter-the-corresponding-source-code-in-debug-mode/6660 "2024-06-02T02:46:14Z")

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Hello everyone,I have a question to ask. I compiled the FFTW library separately before compiling it with ITK. Then, the Build and install processes were completed smoothly without any errors. Then, I placed my project …

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## [Reading Arbitrary Transforms, Compute Something if Linear](https://discourse.itk.org/t/reading-arbitrary-transforms-compute-something-if-linear/6553)

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**Author:** [@gdevenyi](https://discourse.itk.org/u/gdevenyi)\
**Replies:** 10\
**Last updated:** [May 30, 2024, 5:24pm UTC](https://discourse.itk.org/t/reading-arbitrary-transforms-compute-something-if-linear/6553 "2024-05-30T17:24:07Z")

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I’m working on trying to extend the antsTransformInfo tool to print the Determinant of a transform if its Linear as part of its summary information. The existing implementation is very very simple, a copy of an ITK exam…

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