# Top **URL:** https://discourse.slicer.org/top.md?page=9 [Latest](https://discourse.slicer.org/latest.md) · [Categories](https://discourse.slicer.org/categories.md) · [Tags](https://discourse.slicer.org/tags.md) **Page:** 10 --- ## [STL Tooth Segmentation](https://discourse.slicer.org/t/stl-tooth-segmentation/47526)
**Author:** [@cgroth](https://discourse.slicer.org/u/cgroth)\ **Replies:** 1\ **Last updated:** [July 2, 2026, 7:20pm UTC](https://discourse.slicer.org/t/stl-tooth-segmentation/47526 "2026-07-02T19:20:29Z")
Hey all I’ve got the registration figured out but now I am trying to figure out how to make each tooth an individual segment/shell. After that, I need to add a point that is approximately 8mm from the CEJ and use that … --- ## [Slicer3d through TotalSegmentator airway segmentation limited to 1–2 generations – how to extend to distal bronchi (G4–G5)?](https://discourse.slicer.org/t/slicer3d-through-totalsegmentator-airway-segmentation-limited-to-1-2-generations-how-to-extend-to-distal-bronchi-g4-g5/45943)
**Author:** [@hadrien\_calmet](https://discourse.slicer.org/u/hadrien_calmet)\ **Replies:** 1\ **Last updated:** [February 3, 2026, 4:20pm UTC](https://discourse.slicer.org/t/slicer3d-through-totalsegmentator-airway-segmentation-limited-to-1-2-generations-how-to-extend-to-distal-bronchi-g4-g5/45943 "2026-02-03T16:20:41Z")
Hello everyone, I am working on airway segmentation from a chest CT scan using 3D Slicer and the TotalSegmentator extension. I successfully segmented the trachea and main bronchi, but the result is currently limited to… --- ## [Help Registering MRI Images and Segmentation in 3D Slicer](https://discourse.slicer.org/t/help-registering-mri-images-and-segmentation-in-3d-slicer/48539)
**Author:** [@cv24](https://discourse.slicer.org/u/cv24)\ **Replies:** 2\ **Last updated:** [October 20, 2026, 2:31pm UTC](https://discourse.slicer.org/t/help-registering-mri-images-and-segmentation-in-3d-slicer/48539 "2026-10-20T14:31:18Z")
I am trying to register two shoulder MRI images acquired from the same participant. One image has a manually segmented region of cartilage, while the other image does not have a segmentation. I need to align the two imag… --- ## [Contact information to include within company software catalog](https://discourse.slicer.org/t/contact-information-to-include-within-company-software-catalog/47676)
**Author:** [@Hguidoc](https://discourse.slicer.org/u/Hguidoc)\ **Replies:** 2\ **Last updated:** [July 18, 2026, 5:24pm UTC](https://discourse.slicer.org/t/contact-information-to-include-within-company-software-catalog/47676 "2026-07-18T17:24:37Z")
Hello friends! I am the service desk agent and the one in charge at my location of the department. I work for a clinical company, and I want to include the Slicer software for our technicians to work on CB/CT files. As… --- ## [Screen error - Black screen with double arrows when using ROI in Volume Rendering](https://discourse.slicer.org/t/screen-error-black-screen-with-double-arrows-when-using-roi-in-volume-rendering/47563)
**Author:** [@Jknaub](https://discourse.slicer.org/u/Jknaub)\ **Replies:** 2\ **Last updated:** [July 7, 2026, 5:03pm UTC](https://discourse.slicer.org/t/screen-error-black-screen-with-double-arrows-when-using-roi-in-volume-rendering/47563 "2026-07-07T17:03:53Z")
Operating system: Windows 11 Slicer version: 5.8.1, 5.10, and 5.12 Expected behavior: Moving ROI bounding box during volume rendering Actual behavior: The entire screen changes to a black background with double arrow… --- ## [Extension site not found](https://discourse.slicer.org/t/extension-site-not-found/46484)
**Author:** [@Aram](https://discourse.slicer.org/u/Aram)\ **Replies:** 2\ **Last updated:** [April 8, 2026, 11:06am UTC](https://discourse.slicer.org/t/extension-site-not-found/46484 "2026-04-08T11:06:11Z")
Hi. I am new to Slicer3D. The web page https://extensions.slicer.org/ is not found. So I cant install any additional modules. What should I do? --- ## [Elastic Registration](https://discourse.slicer.org/t/elastic-registration/46025)
**Author:** [@Zah](https://discourse.slicer.org/u/Zah)\ **Replies:** 2\ **Last updated:** [February 22, 2026, 11:19am UTC](https://discourse.slicer.org/t/elastic-registration/46025 "2026-02-22T11:19:06Z")
Hi 3D Slicer Community, I’m new to 3D Slicer and still learning, and I have a few questions. After performing an elastic registration, should I harden the transformed CBCT using the “Transforms” module, or should thi… --- ## [Problem Reopening mrml](https://discourse.slicer.org/t/problem-reopening-mrml/45319)
**Author:** [@acrespo](https://discourse.slicer.org/u/acrespo)\ **Replies:** 2\ **Last updated:** [December 3, 2025, 2:18pm UTC](https://discourse.slicer.org/t/problem-reopening-mrml/45319 "2025-12-03T14:18:38Z")
Slicer Version: 5.8.1 Macbook Pro with 356 GB available Hello! I am very new to 3DSlicer and forums as a whole. I was hoping for some help as I have run into an issue with reuploading my segmented CT scan. I made sure … --- ## [Synchronisation window/level across multiple volumes](https://discourse.slicer.org/t/synchronisation-window-level-across-multiple-volumes/45156)
**Author:** [@ashkanpakzad](https://discourse.slicer.org/u/ashkanpakzad)\ **Replies:** 2\ **Last updated:** [November 21, 2025, 7:41am UTC](https://discourse.slicer.org/t/synchronisation-window-level-across-multiple-volumes/45156 "2025-11-21T07:41:42Z")
Hi all, I’ve had a search and can’t find much on this. Before I embark on trying to implement this myself, is there an obvious way to link multiple scalar volume nodes window/level, such that if you change the window/le… --- ## [4D NifTi flipped and rotated about 90-deg](https://discourse.slicer.org/t/4d-nifti-flipped-and-rotated-about-90-deg/48056)
**Author:** [@SeunO](https://discourse.slicer.org/u/SeunO)\ **Replies:** 2\ **Last updated:** [September 8, 2026, 12:09pm UTC](https://discourse.slicer.org/t/4d-nifti-flipped-and-rotated-about-90-deg/48056 "2026-09-08T12:09:25Z")
Hi everyone, Whilst working with some NifTi files, all regular 3DNifti’s seem to match between my application and 3D-Slicer. However, I noticed that the 4D NifTi file I’m working with seems to be flipped in 3D-Slicer ra… --- ## [Adaptibility AutoScoper source code](https://discourse.slicer.org/t/adaptibility-autoscoper-source-code/46579)
**Author:** [@Sebastiaan](https://discourse.slicer.org/u/Sebastiaan)\ **Replies:** 3\ **Last updated:** [April 17, 2026, 3:36pm UTC](https://discourse.slicer.org/t/adaptibility-autoscoper-source-code/46579 "2026-04-17T15:36:16Z")
Hi all, I am currently working on a MSc Thesis project with mono-planar fluoroscopy images. A current struggle for me is accurate registration of the 3D bone models from MRI or CT to fluoroscopy images. To further optim… --- ## [Crashes when selecting directory to save models & segments](https://discourse.slicer.org/t/crashes-when-selecting-directory-to-save-models-segments/45877)
**Author:** [@merrikat](https://discourse.slicer.org/u/merrikat)\ **Replies:** 3\ **Last updated:** [January 23, 2026, 3:55pm UTC](https://discourse.slicer.org/t/crashes-when-selecting-directory-to-save-models-segments/45877 "2026-01-23T15:55:03Z")
Issue: Whenever I try to save my segmentation or model files and I open the window to change which directory to save files into (whether I use the ‘…’ or ‘Change directory for selected files,’ 3D Slicer will crash while … --- ## [MuscleMap Extension Error](https://discourse.slicer.org/t/musclemap-extension-error/46320)
**Author:** [@MaxVs](https://discourse.slicer.org/u/MaxVs)\ **Replies:** 1\ **Last updated:** [February 27, 2026, 6:39pm UTC](https://discourse.slicer.org/t/musclemap-extension-error/46320 "2026-02-27T18:39:28Z")
Hi Guys! I’ve recently downloaded a new extension built to segment muscles from multiple types of data. Unfortunatelly I haven’t managed to run it succesfully with GPU. CPU works perfectly fine. The authors can’t repeat… --- ## [Grow from seed module paper link outdated](https://discourse.slicer.org/t/grow-from-seed-module-paper-link-outdated/46373)
**Author:** [@gaoyi.cn](https://discourse.slicer.org/u/gaoyi.cn)\ **Replies:** 1\ **Last updated:** [March 4, 2026, 1:02pm UTC](https://discourse.slicer.org/t/grow-from-seed-module-paper-link-outdated/46373 "2026-03-04T13:02:43Z")
In the file: Modules/Loadable/Segmentations/EditorEffects/Python/SegmentEditorEffects/SegmentEditorGrowFromSeedsEffect.py: The effect uses fast grow-cut method. Links to the old MICCAI version of the paper. The link i… --- ## [Radiomics ECHO 2D](https://discourse.slicer.org/t/radiomics-echo-2d/48171)
**Author:** [@Bouthaina\_Besbes](https://discourse.slicer.org/u/Bouthaina_Besbes)\ **Replies:** 2\ **Last updated:** [September 16, 2026, 6:39pm UTC](https://discourse.slicer.org/t/radiomics-echo-2d/48171 "2026-09-16T18:39:26Z")
Hello everybody, I m trying to extract radiomics features from echo images. And I can’t seem to understand how. I can segment the images, but when I use de radiomics slicer extension, I can’t apply it to my ROI. I don… --- ## [3D Slicer cannot be installed in Windows 11](https://discourse.slicer.org/t/3d-slicer-cannot-be-installed-in-windows-11/47861)
**Author:** [@Abdoelabassi](https://discourse.slicer.org/u/Abdoelabassi)\ **Replies:** 1\ **Last updated:** [August 12, 2026, 3:17am UTC](https://discourse.slicer.org/t/3d-slicer-cannot-be-installed-in-windows-11/47861 "2026-08-12T03:17:56Z")
I downloaded the installer, but the integrity check of Win11 has failed. Common causes include an incomplete download (which is unlikely, because the download was healthy and complete) and damaged media. --- ## [Request for Contribution Acknowledgment for Slicer language translations](https://discourse.slicer.org/t/request-for-contribution-acknowledgment-for-slicer-language-translations/47286)
**Author:** [@Thamer\_Alamoudi](https://discourse.slicer.org/u/Thamer_Alamoudi)\ **Replies:** 1\ **Last updated:** [June 9, 2026, 8:49pm UTC](https://discourse.slicer.org/t/request-for-contribution-acknowledgment-for-slicer-language-translations/47286 "2026-06-09T20:49:40Z")
Hello 3D Slicer Team, I have contributed to the translation of several 3D Slicer projects through Weblate under the username thameralamoudi. For professional and academic documentation purposes, I would like to ask whe… --- ## [Oral scan ply file, teeth segmentation](https://discourse.slicer.org/t/oral-scan-ply-file-teeth-segmentation/45614)
**Author:** [@saeed\_46](https://discourse.slicer.org/u/saeed_46)\ **Replies:** 1\ **Last updated:** [January 13, 2026, 11:45am UTC](https://discourse.slicer.org/t/oral-scan-ply-file-teeth-segmentation/45614 "2026-01-13T11:45:18Z")
Hello I have some oral scan files in ply format and I want to automatically segment and extract all the healthy and prepared teeth and save each one in a separate ply file. Is this possible in 3D Slicer software? If so… --- ## [No meeting this week (Dec 23rd)](https://discourse.slicer.org/t/no-meeting-this-week-dec-23rd/45586)
**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\ **Replies:** 0\ **Last updated:** [December 22, 2025, 2:51pm UTC](https://discourse.slicer.org/t/no-meeting-this-week-dec-23rd/45586 "2025-12-22T14:51:12Z")
Enjoy the holidays! Thanks. Sam, Ebrahim and the rest of the Slicer dev team --- ## [Protocol for RTK CT Reconstruction from Bruker Skyscan?](https://discourse.slicer.org/t/protocol-for-rtk-ct-reconstruction-from-bruker-skyscan/47894)
**Author:** [@raranda22](https://discourse.slicer.org/u/raranda22)\ **Replies:** 1\ **Last updated:** [August 15, 2026, 11:51pm UTC](https://discourse.slicer.org/t/protocol-for-rtk-ct-reconstruction-from-bruker-skyscan/47894 "2026-08-15T23:51:55Z")
Hello, I’m wondering if anyone would be willing to share instructions on how to use RTK for CT reconstructions, assuming output from Bruker Skyscan (CT scanner)? I have access to Morphocloud, so I’m able to use GPU and/o… --- ## [Adjusting position of markups text](https://discourse.slicer.org/t/adjusting-position-of-markups-text/48014)
**Author:** [@mohammed\_alshakhas](https://discourse.slicer.org/u/mohammed_alshakhas)\ **Replies:** 2\ **Last updated:** [August 30, 2026, 1:08am UTC](https://discourse.slicer.org/t/adjusting-position-of-markups-text/48014 "2026-08-30T01:08:14Z")
I use markups quite often to illustrate CT findings. It would be very helpful if the text within markups could be easily repositioned. At present, it can be difficult to read when the text overlaps with anatomical struct… --- ## [Paint brush requires large movement before stroke begins — Wacom Intuos M tablet](https://discourse.slicer.org/t/paint-brush-requires-large-movement-before-stroke-begins-wacom-intuos-m-tablet/46879)
**Author:** [@Alexander\_Pfeifer](https://discourse.slicer.org/u/Alexander_Pfeifer)\ **Replies:** 2\ **Last updated:** [May 4, 2026, 7:57pm UTC](https://discourse.slicer.org/t/paint-brush-requires-large-movement-before-stroke-begins-wacom-intuos-m-tablet/46879 "2026-05-04T19:57:31Z")
Operating system: Windows Slicer version: 5.10.0 When using the Paint effect in Segment Editor with a Wacom Intuos M tablet on Windows, the brush requires a large physical movement before it starts painting. A short mo… --- ## [Creating a heatmap from corresponding points](https://discourse.slicer.org/t/creating-a-heatmap-from-corresponding-points/45397)
**Author:** [@maas](https://discourse.slicer.org/u/maas)\ **Replies:** 1\ **Last updated:** [December 9, 2025, 2:20am UTC](https://discourse.slicer.org/t/creating-a-heatmap-from-corresponding-points/45397 "2025-12-09T02:20:02Z")
Hallo! I’m trying to make a heatmap portraying the difference between a pre and post operation radius and ulna. I’ve managed to segment and overlay the bones. however I’m having issues creating the heatmap. When using t… --- ## [How to Save All Modified Volume-Rendering Presets in an MRB File](https://discourse.slicer.org/t/how-to-save-all-modified-volume-rendering-presets-in-an-mrb-file/45223)
**Author:** [@Eva\_Monclus\_Lahoya](https://discourse.slicer.org/u/Eva_Monclus_Lahoya)\ **Replies:** 3\ **Last updated:** [November 26, 2025, 4:20pm UTC](https://discourse.slicer.org/t/how-to-save-all-modified-volume-rendering-presets-in-an-mrb-file/45223 "2025-11-26T16:20:03Z")
Operating system:Windows Slicer version:5.8.1 Hello everyone, I’m working with a CT volume dataset and experimenting with the volume-rendering presets. I’d like to apply various changes to multiple presets and save all… --- ## [NNInteractive fails to export segmentations](https://discourse.slicer.org/t/nninteractive-fails-to-export-segmentations/45968)
**Author:** [@doreenpa](https://discourse.slicer.org/u/doreenpa)\ **Replies:** 4\ **Last updated:** [January 28, 2026, 9:59am UTC](https://discourse.slicer.org/t/nninteractive-fails-to-export-segmentations/45968 "2026-01-28T09:59:19Z")
I am working with NNInteractive module in 3D slicer on 3D NRRD files (I converted from DICOM via 3D slicer itself). The module worked smoothly and nicely generated volume segmentations, but once I tried to export them th… --- ## [Visualizing 3D bounding boxes in Slicer Markups (Fiducials vs Lines) + JSON format question](https://discourse.slicer.org/t/visualizing-3d-bounding-boxes-in-slicer-markups-fiducials-vs-lines-json-format-question/47419)
**Author:** [@khorlint](https://discourse.slicer.org/u/khorlint)\ **Replies:** 1\ **Last updated:** [June 22, 2026, 10:30pm UTC](https://discourse.slicer.org/t/visualizing-3d-bounding-boxes-in-slicer-markups-fiducials-vs-lines-json-format-question/47419 "2026-06-22T22:30:00Z")
Description: I am working with 3D Slicer markups to debug an interactive model that uses prompt-based inputs (3D bounding boxes). My goal is to ensure that the voxel → world coordinate transformation is correct and that… --- ## [Problem Downloading Slicer](https://discourse.slicer.org/t/problem-downloading-slicer/47655)
**Author:** [@kikubamutwe](https://discourse.slicer.org/u/kikubamutwe)\ **Replies:** 1\ **Last updated:** [July 17, 2026, 3:33pm UTC](https://discourse.slicer.org/t/problem-downloading-slicer/47655 "2026-07-17T15:33:21Z")
I cannot complete the Slicer download. I have tried using multiple connections in multiple countries (using various remote boxes) and each time the download fails partway through. Some of these connections have 1G capac… --- ## [SlicerRadiomics/Pyradiomics in Slicer 5.10.0. on Macbook.](https://discourse.slicer.org/t/slicerradiomics-pyradiomics-in-slicer-5-10-0-on-macbook/45120)
**Author:** [@nicol\_zhakov](https://discourse.slicer.org/u/nicol_zhakov)\ **Replies:** 1\ **Last updated:** [November 18, 2025, 3:42pm UTC](https://discourse.slicer.org/t/slicerradiomics-pyradiomics-in-slicer-5-10-0-on-macbook/45120 "2025-11-18T15:42:08Z")
Hii I just downloaded Slicer 5.10.0. on my Macbook. I wanted to use the SlicerRadiomics/Pyradiomics extension but I couldn’t find it. Is there any chance that I could use the extension on my Mac? does it exist? or shou… --- ## [Writing a Scripted Subject Hierarchy Plugin -- documentation lacking](https://discourse.slicer.org/t/writing-a-scripted-subject-hierarchy-plugin-documentation-lacking/45252)
**Author:** [@shai-ikko](https://discourse.slicer.org/u/shai-ikko)\ **Replies:** 2\ **Last updated:** [December 3, 2025, 4:18pm UTC](https://discourse.slicer.org/t/writing-a-scripted-subject-hierarchy-plugin-documentation-lacking/45252 "2025-12-03T16:18:40Z")
Hi, Recently I’ve been writing an internal-use Subject Hierarchy plugin. I ran into some difficulties that stem, IMO, from lacking documentation, so I want to share what I’ve learned with a view to getting some comments… --- ## [Segmentation tooth in jaw](https://discourse.slicer.org/t/segmentation-tooth-in-jaw/45550)
**Author:** [@Dr.Hunz](https://discourse.slicer.org/u/Dr.Hunz)\ **Replies:** 1\ **Last updated:** [December 21, 2025, 1:11pm UTC](https://discourse.slicer.org/t/segmentation-tooth-in-jaw/45550 "2025-12-21T13:11:40Z")
I need to help about segment the tooth in Jaw file STL. Please help me, thank youuuu so much. --- ## [Adding an Extension/Module](https://discourse.slicer.org/t/adding-an-extension-module/45158)
**Author:** [@elisedl1](https://discourse.slicer.org/u/elisedl1)\ **Replies:** 1\ **Last updated:** [November 20, 2025, 4:27am UTC](https://discourse.slicer.org/t/adding-an-extension-module/45158 "2025-11-20T04:27:48Z")
Is it possible to build an extension package and add it to the Extension Manager to be publicly available for installation? I currently have a developed module that is locally integrated or can be integrated via cloning … --- ## [TotalSegmentator Error on CT](https://discourse.slicer.org/t/totalsegmentator-error-on-ct/46757)
**Author:** [@ranahashemi](https://discourse.slicer.org/u/ranahashemi)\ **Replies:** 1\ **Last updated:** [April 16, 2026, 4:44pm UTC](https://discourse.slicer.org/t/totalsegmentator-error-on-ct/46757 "2026-04-16T16:44:46Z")
Hi everyone, I am using TotalSegmentator for a bone segmentation on CT scan DICOM files which I extracted from Ga68-PSMA PET/CT of our patients, the problem is the extension is working with some patients and then with th… --- ## [Apply filters to a CT scan to deal with high-contrast elements](https://discourse.slicer.org/t/apply-filters-to-a-ct-scan-to-deal-with-high-contrast-elements/45561)
**Author:** [@Francesca\_Parrotta](https://discourse.slicer.org/u/Francesca_Parrotta)\ **Replies:** 1\ **Last updated:** [December 19, 2025, 10:59pm UTC](https://discourse.slicer.org/t/apply-filters-to-a-ct-scan-to-deal-with-high-contrast-elements/45561 "2025-12-19T22:59:13Z")
Good morning everyone, I am workin with CT scans as the one attached (I am attaching just one slice of the CT). My objective is to recognize and segment all the different layers in the scanned structure. As you can see,… --- ## [2026.07.21 Weekly Meeting](https://discourse.slicer.org/t/2026-07-21-weekly-meeting/47635)
**Author:** [@ebrahim](https://discourse.slicer.org/u/ebrahim)\ **Replies:** 2\ **Last updated:** [July 20, 2026, 1:54pm UTC](https://discourse.slicer.org/t/2026-07-21-weekly-meeting/47635 "2026-07-20T13:54:23Z")
Title: 2026.07.21 Weekly Meeting Next Tuesday, we will be having our next weekly hangout at 10:00 AM ET until 11:00 AM ET. Anyone is welcome to join at this link: Google Meet meeting Agenda: Please post to this thr… --- ## [2025.12.16Weekly Meeting](https://discourse.slicer.org/t/2025-12-16weekly-meeting/45505)
**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\ **Replies:** 2\ **Last updated:** [December 30, 2025, 7:20am UTC](https://discourse.slicer.org/t/2025-12-16weekly-meeting/45505 "2025-12-30T07:20:46Z")
Tomorrow, we will be having our next weekly hangout at 11:00 AM ET until 12:00 PM ET. after the project week meetings. We will be re-using the same meeting link Anyone is welcome to join at this link: Launch Meeting - … --- ## [Where can I find a working Slicer 5.6.x portable package with SlicerLiver extension?](https://discourse.slicer.org/t/where-can-i-find-a-working-slicer-5-6-x-portable-package-with-slicerliver-extension/45445)
**Author:** [@kzx](https://discourse.slicer.org/u/kzx)\ **Replies:** 2\ **Last updated:** [December 12, 2025, 2:34am UTC](https://discourse.slicer.org/t/where-can-i-find-a-working-slicer-5-6-x-portable-package-with-slicerliver-extension/45445 "2025-12-12T02:34:40Z")
Hello Slicer developers, I am experiencing an issue where the SlicerLiver module does not appear in the module list, even though it is successfully installed through the Extensions Manager. My environment OS: Windows… --- ## [CBCT volumetric alveolar comparison before after bone graft](https://discourse.slicer.org/t/cbct-volumetric-alveolar-comparison-before-after-bone-graft/45920)
**Author:** [@Zah](https://discourse.slicer.org/u/Zah)\ **Replies:** 1\ **Last updated:** [February 17, 2026, 12:45pm UTC](https://discourse.slicer.org/t/cbct-volumetric-alveolar-comparison-before-after-bone-graft/45920 "2026-02-17T12:45:56Z")
Hi there, I am totally new to slicer and would like to use it for a research study where volumetric changes of alveolar bone is measured before and after grafting. I have gone through the tutorials and there is a quantit… --- ## [I can not open saved files/ GPA](https://discourse.slicer.org/t/i-can-not-open-saved-files-gpa/46504)
**Author:** [@Saaalz](https://discourse.slicer.org/u/Saaalz)\ **Replies:** 2\ **Last updated:** [April 2, 2026, 8:18am UTC](https://discourse.slicer.org/t/i-can-not-open-saved-files-gpa/46504 "2026-04-02T08:18:39Z")
Please, I don’t know why I can’t open saved file/ 3D slicer / GPA, saved data is there and has size, however, when I try to open give me the following message. I just started using the Slicer few weeks ago only. Thank yo… --- ## [Brain lobe segmentation](https://discourse.slicer.org/t/brain-lobe-segmentation/46620)
**Author:** [@doctoryfx](https://discourse.slicer.org/u/doctoryfx)\ **Replies:** 1\ **Last updated:** [April 1, 2026, 4:06pm UTC](https://discourse.slicer.org/t/brain-lobe-segmentation/46620 "2026-04-01T16:06:50Z")
Hello everyone, I’m planning to perform brain lobe segmentation on brain MRI images—specifically dividing the whole brain into different lobes such as the frontal lobe, temporal lobe, parietal lobe, and occipital lobe—be… --- ## [Postdoc position in Chicago IL for those with Slicer/image analysis/programming experience](https://discourse.slicer.org/t/postdoc-position-in-chicago-il-for-those-with-slicer-image-analysis-programming-experience/45646)
**Author:** [@Craniofacial](https://discourse.slicer.org/u/Craniofacial)\ **Replies:** 0\ **Last updated:** [December 30, 2025, 9:05pm UTC](https://discourse.slicer.org/t/postdoc-position-in-chicago-il-for-those-with-slicer-image-analysis-programming-experience/45646 "2025-12-30T21:05:53Z")
Postdoctoral Research Fellow – Craniofacial, Orthognathic & Airway Image Analysis (3D Slicer) - Shriners Children’s Chicago contact: cpurnell@uic.edu We are seeking a highly motivated Postdoctoral Research Fellow with… --- ## [DeCAL producing weird clustering of landmarks](https://discourse.slicer.org/t/decal-producing-weird-clustering-of-landmarks/46071)
**Author:** [@raranda22](https://discourse.slicer.org/u/raranda22)\ **Replies:** 3\ **Last updated:** [February 9, 2026, 6:31pm UTC](https://discourse.slicer.org/t/decal-producing-weird-clustering-of-landmarks/46071 "2026-02-09T18:31:04Z")
Hello, I have run DeCAL many times with a handful of meshes and curve semilandmarks from the MarkMyBird dataset. Each time, some of the surface landmarks cluster very closely together in strange ways. I would expect the… --- ## [Download side giving internal error](https://discourse.slicer.org/t/download-side-giving-internal-error/47811)
**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\ **Replies:** 2\ **Last updated:** [August 5, 2026, 8:14pm UTC](https://discourse.slicer.org/t/download-side-giving-internal-error/47811 "2026-08-05T20:14:24Z")
I am trying to download the stable for windows. After I click it tries to connect for a few minutes and eventually gives “Internal Server Error” @Sam\_Horvath @ebrahim --- ## [2026.03.10 Weekly Meeting](https://discourse.slicer.org/t/2026-03-10-weekly-meeting/46418)
**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\ **Replies:** 2\ **Last updated:** [March 10, 2026, 4:58pm UTC](https://discourse.slicer.org/t/2026-03-10-weekly-meeting/46418 "2026-03-10T16:58:17Z")
Tomorrow, we will be having our next weekly hangout at 10:00 AM ET until 11:00 AM ET. Anyone is welcome to join at this link: https://bit.ly/slicer-googlemeet-hosted-by-kitware Agenda: Please post to this thread to … --- ## [Unable to add DICOM data](https://discourse.slicer.org/t/unable-to-add-dicom-data/46156)
**Author:** [@Akash\_Raj\_G\_P](https://discourse.slicer.org/u/Akash_Raj_G_P)\ **Replies:** 2\ **Last updated:** [February 14, 2026, 3:38pm UTC](https://discourse.slicer.org/t/unable-to-add-dicom-data/46156 "2026-02-14T15:38:56Z")
When I click on the ‘Add DICOM data’ button on the homepage I get an error message that says ‘Unfortunately this requested module is not available in this Slicer session‘. I have not seen this error occur for anybody els… --- ## [Crash since SimpleITK is a python wheel](https://discourse.slicer.org/t/crash-since-simpleitk-is-a-python-wheel/45696)
**Author:** [@chir.set](https://discourse.slicer.org/u/chir.set)\ **Replies:** 2\ **Last updated:** [January 7, 2026, 10:19am UTC](https://discourse.slicer.org/t/crash-since-simpleitk-is-a-python-wheel/45696 "2026-01-07T10:19:08Z")
This line simply crashes Slicer since SimpleITK is no longer built: import SimpleITK as sitk Selecting the Filters/Simple filters menu item also crashes Slicer. How can these troubles be solved? Using 5.11.0-2026-01-… --- ## [Disabling nightly builds on 2026-07-15 to build Slicer 5.12.2](https://discourse.slicer.org/t/disabling-nightly-builds-on-2026-07-15-to-build-slicer-5-12-2/47617)
**Author:** [@ebrahim](https://discourse.slicer.org/u/ebrahim)\ **Replies:** 1\ **Last updated:** [July 16, 2026, 12:13pm UTC](https://discourse.slicer.org/t/disabling-nightly-builds-on-2026-07-15-to-build-slicer-5-12-2/47617 "2026-07-16T12:13:04Z")
Tomorrow, July 15, we are planning to disable the Slicer preview builds to build Slicer 5.12.2. The purpose of Slicer 5.12.2 is primarily to do a clean rebuild of the macOS stable because we suspect that 5.12.1 was buil… --- ## [Software Developer - Image-Guided Surgical Navigation](https://discourse.slicer.org/t/software-developer-image-guided-surgical-navigation/47132)
**Author:** [@arish](https://discourse.slicer.org/u/arish)\ **Replies:** 0\ **Last updated:** [May 24, 2026, 8:34am UTC](https://discourse.slicer.org/t/software-developer-image-guided-surgical-navigation/47132 "2026-05-24T08:34:20Z")
ClaroNav Dental develops real-time image-guided navigation systems for precision surgery. Our systems combine 3D imaging, optical tracking, registration, visualization, and workflow guidance, and are used in clinical pra… --- ## [Crash when activating "interaction" in subject hierarchy to transform a volume](https://discourse.slicer.org/t/crash-when-activating-interaction-in-subject-hierarchy-to-transform-a-volume/47373)
**Author:** [@PitaChib](https://discourse.slicer.org/u/PitaChib)\ **Replies:** 2\ **Last updated:** [June 18, 2026, 5:45am UTC](https://discourse.slicer.org/t/crash-when-activating-interaction-in-subject-hierarchy-to-transform-a-volume/47373 "2026-06-18T05:45:50Z")
I recently updated to Slicer 5.10.0, and today when I load my .nrrd files, a couple times (at least 3 times in the span of finishing 6 scans), I right click to check “interaction” then slicer would just crash and quit. I… --- ## [Normalization of glioblastoma MRI images](https://discourse.slicer.org/t/normalization-of-glioblastoma-mri-images/45629)
**Author:** [@celiaalme](https://discourse.slicer.org/u/celiaalme)\ **Replies:** 1\ **Last updated:** [June 10, 2026, 3:03am UTC](https://discourse.slicer.org/t/normalization-of-glioblastoma-mri-images/45629 "2026-06-10T03:03:10Z")
Hi! I’m kinda new to radiomics and don’t know much about image normalization. I want to extract radiomic features from MRI glioblastoma images. I’ve managed to apply an N4ITK bias filter and a z-score normalization, but … --- ## [Extract Centerline computational troubleshooting](https://discourse.slicer.org/t/extract-centerline-computational-troubleshooting/45322)
**Author:** [@Stephanie\_Baumgart](https://discourse.slicer.org/u/Stephanie_Baumgart)\ **Replies:** 1\ **Last updated:** [December 2, 2025, 5:32pm UTC](https://discourse.slicer.org/t/extract-centerline-computational-troubleshooting/45322 "2025-12-02T17:32:29Z")
I was trying to use Extract Centerline to generate a centerline tree of what I think is a relatively simple shape (compared to what I want to input later). I’ve got 128gb RAM, 8GB NVIDIA card, 2TB SSD, and Intel i7-14700… [Previous page](https://discourse.slicer.org/top.md?page=8&per_page=50) [Next page](https://discourse.slicer.org/top.md?page=10&per_page=50)