# Top

**URL:** https://discourse.slicer.org/top.md?page=13

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

**Page:** 14

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## [Register two 2D images (EPID and DRR)](https://discourse.slicer.org/t/register-two-2d-images-epid-and-drr/45057)

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**Author:** [@ruju](https://discourse.slicer.org/u/ruju)\
**Replies:** 0\
**Last updated:** [November 12, 2025, 10:07pm UTC](https://discourse.slicer.org/t/register-two-2d-images-epid-and-drr/45057 "2025-11-12T22:07:58Z")

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Hi, I would like to register two 2D images in 3D Slicer, one is an EPID image and the other is a computed DRR. Unfortunately, the EPID image does not contain any geometric information, so it is placed arbitrarily when l…

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## [Using 3d slicer and python](https://discourse.slicer.org/t/using-3d-slicer-and-python/45037)

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**Author:** [@Shveta\_Duggal](https://discourse.slicer.org/u/Shveta_Duggal)\
**Replies:** 0\
**Last updated:** [November 11, 2025, 2:31pm UTC](https://discourse.slicer.org/t/using-3d-slicer-and-python/45037 "2025-11-11T14:31:13Z")

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Where is the link for segmentation? Thank you so much

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## [Soft-tissue segmentation: advice needed](https://discourse.slicer.org/t/soft-tissue-segmentation-advice-needed/48060)

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**Author:** [@Toumia\_Bessedik](https://discourse.slicer.org/u/Toumia_Bessedik)\
**Replies:** 0\
**Last updated:** [September 3, 2026, 10:20pm UTC](https://discourse.slicer.org/t/soft-tissue-segmentation-advice-needed/48060 "2026-09-03T22:20:55Z")

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Hello, I would like to get your opinion on an approach I am currently using to refine the segmentation of soft tissues in a head MRI. I used TotalSegmentator (MR) to automatically segment the soft tissues, particularly…

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## [VICON and QUALISYS integration into PlusServer - almost done but remaining jitter issues](https://discourse.slicer.org/t/vicon-and-qualisys-integration-into-plusserver-almost-done-but-remaining-jitter-issues/47580)

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**Author:** [@AurelieS](https://discourse.slicer.org/u/AurelieS)\
**Replies:** 0\
**Last updated:** [July 8, 2026, 3:52pm UTC](https://discourse.slicer.org/t/vicon-and-qualisys-integration-into-plusserver-almost-done-but-remaining-jitter-issues/47580 "2026-07-08T15:52:59Z")

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Hi everyone, We have been working on integrating Vicon Nexus into our 3D ultrasound acquisition workflow based on PlusServer. The goal is to obtain a Vicon integration behaving as closely as possible to the native devic…

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## [how to measure skeletal muscle index in the application](https://discourse.slicer.org/t/how-to-measure-skeletal-muscle-index-in-the-application/45117)

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**Author:** [@marwaayman](https://discourse.slicer.org/u/marwaayman)\
**Replies:** 0\
**Last updated:** [November 17, 2025, 3:35pm UTC](https://discourse.slicer.org/t/how-to-measure-skeletal-muscle-index-in-the-application/45117 "2025-11-17T15:35:44Z")

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hello, how can i measure skeletal musle index, at segment L3, i dont know how can i confirm that iam using it correct?

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## [Sidexis 4 and 3D Slicer?](https://discourse.slicer.org/t/sidexis-4-and-3d-slicer/46893)

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**Author:** [@drychen](https://discourse.slicer.org/u/drychen)\
**Replies:** 1\
**Last updated:** [May 4, 2026, 7:46pm UTC](https://discourse.slicer.org/t/sidexis-4-and-3d-slicer/46893 "2026-05-04T19:46:02Z")

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I can’t import the exported DICOM files from Sidexis 4 into my 3D slicer. I keep getting the following error message: 902: RawBlobs \[Scalar Volume\]: Reference image in series does not contain geometry information. Please…

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## [I want to create a closed contour from hdr/img data](https://discourse.slicer.org/t/i-want-to-create-a-closed-contour-from-hdr-img-data/46860)

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**Author:** [@PetrKryslUCSD](https://discourse.slicer.org/u/PetrKryslUCSD)\
**Replies:** 1\
**Last updated:** [April 28, 2026, 4:08pm UTC](https://discourse.slicer.org/t/i-want-to-create-a-closed-contour-from-hdr-img-data/46860 "2026-04-28T16:08:42Z")

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Right now the contour runs into the boundary of the box, and it is then open. One thing that I could think of was to either surround the current volume with a layer of zero voxels (which would close the contour), or modi…

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## [Upper airway segmentator](https://discourse.slicer.org/t/upper-airway-segmentator/45413)

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**Author:** [@Noha\_Mansour](https://discourse.slicer.org/u/Noha_Mansour)\
**Replies:** 0\
**Last updated:** [December 9, 2025, 6:20am UTC](https://discourse.slicer.org/t/upper-airway-segmentator/45413 "2025-12-09T06:20:44Z")

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Need help with upper airway segmentation, need to just segment the oropharyngeal space only from full skull CBCT dicom & my problems or questions are: \_ can I crop the FOV 1stly to the oro pharyngeal area ? \_ how can I…

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## [Is the extension page down?](https://discourse.slicer.org/t/is-the-extension-page-down/46486)

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**Author:** [@Anupam\_Singh](https://discourse.slicer.org/u/Anupam_Singh)\
**Replies:** 1\
**Last updated:** [March 17, 2026, 2:06pm UTC](https://discourse.slicer.org/t/is-the-extension-page-down/46486 "2026-03-17T14:06:25Z")

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Hi Team, I am facing an issue when I open the install extension page i am getting page not found. Earlier same page was working and was able to install extensions. Attaching screenshot of the issue for your reference. …

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## [VMTK tool 3D slicer](https://discourse.slicer.org/t/vmtk-tool-3d-slicer/46330)

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**Author:** [@Tair](https://discourse.slicer.org/u/Tair)\
**Replies:** 1\
**Last updated:** [February 27, 2026, 8:01pm UTC](https://discourse.slicer.org/t/vmtk-tool-3d-slicer/46330 "2026-02-27T20:01:40Z")

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Hello, I started to use the VMTK took and I don’t understand. In my VTMK the only package I see relevant to centerlines are Extract centerlines. I don’t have the centerlines computation. is it the same? why I don’t h…

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## [TotalSegmentator keeps returning non-zero exit status 1](https://discourse.slicer.org/t/totalsegmentator-keeps-returning-non-zero-exit-status-1/46820)

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**Author:** [@its-charliem](https://discourse.slicer.org/u/its-charliem)\
**Replies:** 0\
**Last updated:** [April 24, 2026, 1:24am UTC](https://discourse.slicer.org/t/totalsegmentator-keeps-returning-non-zero-exit-status-1/46820 "2026-04-24T01:24:49Z")

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Problem report for 3D Slicer 5.10.0 win-amd64: \[please describe expected and actual behavior\] Command ‘\[‘C:/Users/DiMO 3D 1/AppData/Local/slicer.org/3D Slicer 5.10.0/bin/../bin\\\\PythonSlicer.EXE’, ‘-m’, ‘pip’, ‘install’…

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## [Dental segmentation error: something went wrong during nnunet processing](https://discourse.slicer.org/t/dental-segmentation-error-something-went-wrong-during-nnunet-processing/46668)

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**Author:** [@Hisham\_Bakar](https://discourse.slicer.org/u/Hisham_Bakar)\
**Replies:** 1\
**Last updated:** [April 7, 2026, 6:07am UTC](https://discourse.slicer.org/t/dental-segmentation-error-something-went-wrong-during-nnunet-processing/46668 "2026-04-07T06:07:46Z")

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what is the solution when i want to open the dental segmentation this window appears?

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## [How can I generate an inflated cortical surface/map in 3D Slicer](https://discourse.slicer.org/t/how-can-i-generate-an-inflated-cortical-surface-map-in-3d-slicer/47906)

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**Author:** [@miral](https://discourse.slicer.org/u/miral)\
**Replies:** 0\
**Last updated:** [August 17, 2026, 2:41pm UTC](https://discourse.slicer.org/t/how-can-i-generate-an-inflated-cortical-surface-map-in-3d-slicer/47906 "2026-08-17T14:41:09Z")

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Hi everyone, I am working with rhesus macaque MRI data in 3D Slicer and am trying to generate an inflated cortical surface for visualization and cortical mapping. I currently have a 3D cortical surface/model in .vtk fo…

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## [How do I segment dental root canal in 3D slicer? ](https://discourse.slicer.org/t/how-do-i-segment-dental-root-canal-in-3d-slicer/46416)

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**Author:** [@Dr\_Anshuman\_Jha](https://discourse.slicer.org/u/Dr_Anshuman_Jha)\
**Replies:** 0\
**Last updated:** [March 9, 2026, 8:12pm UTC](https://discourse.slicer.org/t/how-do-i-segment-dental-root-canal-in-3d-slicer/46416 "2026-03-09T20:12:31Z")

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How do I segment dental root canal in 3D slicer? I have cbct raw data of cases

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## [Error while using TotalSegmentator。](https://discourse.slicer.org/t/error-while-using-totalsegmentator/45023)

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**Author:** [@hwy13140](https://discourse.slicer.org/u/hwy13140)\
**Replies:** 0\
**Last updated:** [November 10, 2025, 2:51pm UTC](https://discourse.slicer.org/t/error-while-using-totalsegmentator/45023 "2025-11-10T14:51:51Z")

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System: Window 11 Slicer Version: 5.8.1 When I use the total segmentator extension, the Python console keeps showing the following warning during torch installation: WARNING: Retrying (Retry(total=0, connect=None, rea…

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## [1-on-1 3D Slicer Tutor Needed](https://discourse.slicer.org/t/1-on-1-3d-slicer-tutor-needed/48482)

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**Author:** [@DrMadisonJohnson](https://discourse.slicer.org/u/DrMadisonJohnson)\
**Replies:** 0\
**Last updated:** [October 12, 2026, 1:43pm UTC](https://discourse.slicer.org/t/1-on-1-3d-slicer-tutor-needed/48482 "2026-10-12T13:43:24Z")

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Title: Looking for 3D Slicer / Medical Data Annotation Tutor (Dentist Transitioning to AI Architecture) Rate: Competitive / Negotiable (Targeting $40–60/hr experience level support) Commitment: 1 Hour/Week Live Sync + …

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## [Accidental direct commit to main](https://discourse.slicer.org/t/accidental-direct-commit-to-main/47641)

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**Author:** [@ebrahim](https://discourse.slicer.org/u/ebrahim)\
**Replies:** 0\
**Last updated:** [July 15, 2026, 7:12pm UTC](https://discourse.slicer.org/t/accidental-direct-commit-to-main/47641 "2026-07-15T19:12:49Z")

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While editing issue templates I did not realize the edit would bypass branch protections and create a commit directly on main. I quickly removed the commit (bypassing branch protections again). Sorry for that, to anyone …

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## [3D Slicer does not start as full screen](https://discourse.slicer.org/t/3d-slicer-does-not-start-as-full-screen/46122)

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**Author:** [@strider\_hunter](https://discourse.slicer.org/u/strider_hunter)\
**Replies:** 0\
**Last updated:** [February 11, 2026, 8:39am UTC](https://discourse.slicer.org/t/3d-slicer-does-not-start-as-full-screen/46122 "2026-02-11T08:39:38Z")

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When I startup up 3D Slicer, instead of occupying the full screen, it only occupies a smaller section (as seen in the screenshot below). I have a multi-monitor setup. I looked at a \`.ini\` files like slicer.org\\Slicer-…

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## [Glitch Black screen with white arrow intermittently why?](https://discourse.slicer.org/t/glitch-black-screen-with-white-arrow-intermittently-why/48247)

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**Author:** [@MaxFacRad](https://discourse.slicer.org/u/MaxFacRad)\
**Replies:** 1\
**Last updated:** [September 23, 2026, 2:48pm UTC](https://discourse.slicer.org/t/glitch-black-screen-with-white-arrow-intermittently-why/48247 "2026-09-23T14:48:49Z")

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I keep getting a black screen with a white arrow and it comes and goes constantly and sometimes the screen freezes with it on why is 3D Slicer doing this?

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## [Applying boundary constraints to DRR volumes in SlicerAutoscoperM](https://discourse.slicer.org/t/applying-boundary-constraints-to-drr-volumes-in-slicerautoscoperm/48084)

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**Author:** [@Dorte](https://discourse.slicer.org/u/Dorte)\
**Replies:** 1\
**Last updated:** [September 14, 2026, 2:23pm UTC](https://discourse.slicer.org/t/applying-boundary-constraints-to-drr-volumes-in-slicerautoscoperm/48084 "2026-09-14T14:23:55Z")

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Hello community, I’m working with monoplanar videoradiography, and I’m trying to reduce depth ambiguity during bone tracking. I was wondering whether SlicerAutoscoperM allows applying geometric or anatomical boundary c…

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## [Workflow Documentation](https://discourse.slicer.org/t/workflow-documentation/45385)

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**Author:** [@Tair](https://discourse.slicer.org/u/Tair)\
**Replies:** 1\
**Last updated:** [December 9, 2025, 6:12am UTC](https://discourse.slicer.org/t/workflow-documentation/45385 "2025-12-09T06:12:57Z")

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Hellow everyone, I want to know if there is any option to have a file\\note with all the actions that I do while I’m trying to segment an image. For example, if I first did median filter and then threshold… so, I can e…

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## [Does the resolution change the surface area values?](https://discourse.slicer.org/t/does-the-resolution-change-the-surface-area-values/46472)

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**Author:** [@FabricioFO](https://discourse.slicer.org/u/FabricioFO)\
**Replies:** 1\
**Last updated:** [March 16, 2026, 8:29pm UTC](https://discourse.slicer.org/t/does-the-resolution-change-the-surface-area-values/46472 "2026-03-16T20:29:50Z")

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Hello, everyone. I noticed that when we reduce the resolution by half in ImageStack, the spacing value doubles. After finishing the segmentations, will the volume and surface area values be the same as if I had used the …

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## [Late-breaking abstracts for IST 2026 (Banff): submit July 22 to August 19](https://discourse.slicer.org/t/late-breaking-abstracts-for-ist-2026-banff-submit-july-22-to-august-19/47403)

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**Author:** [@Graham\_Little](https://discourse.slicer.org/u/Graham_Little)\
**Replies:** 0\
**Last updated:** [June 20, 2026, 9:38pm UTC](https://discourse.slicer.org/t/late-breaking-abstracts-for-ist-2026-banff-submit-july-22-to-august-19/47403 "2026-06-20T21:38:20Z")

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Dear colleagues, Registration for IST 2026 in Banff is open, and we are adding a late-breaking abstract window for work that wasn’t ready by the spring deadline. If you have new results, this is a second route onto the …

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## [AMASSS issues - No nnUNET models found](https://discourse.slicer.org/t/amasss-issues-no-nnunet-models-found/47246)

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**Author:** [@manjula](https://discourse.slicer.org/u/manjula)\
**Replies:** 0\
**Last updated:** [June 5, 2026, 12:37pm UTC](https://discourse.slicer.org/t/amasss-issues-no-nnunet-models-found/47246 "2026-06-05T12:37:25Z")

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Dear All, I tried using AMASSS after fresh installation of both 3D Slicer stable version and latest preview release. No Conflicting extensions. (fresh install) However both version give the same error. I have run thi…

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## [How can I Calculate and Visualize of Center of Mass (COM) or Centroid of the heart in 3D Slicer version 5.10.0](https://discourse.slicer.org/t/how-can-i-calculate-and-visualize-of-center-of-mass-com-or-centroid-of-the-heart-in-3d-slicer-version-5-10-0/46994)

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**Author:** [@zahra\_Tabasi](https://discourse.slicer.org/u/zahra_Tabasi)\
**Replies:** 0\
**Last updated:** [May 12, 2026, 6:14pm UTC](https://discourse.slicer.org/t/how-can-i-calculate-and-visualize-of-center-of-mass-com-or-centroid-of-the-heart-in-3d-slicer-version-5-10-0/46994 "2026-05-12T18:14:06Z")

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Hello everyone, I am currently conducting a research study involving patients with unilateral left-sided breast cancer undergoing radiotherapy. The purpose of my study is to compare Normal Breathing (free breathing) and…

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## [Curvature, torsion from VMTK](https://discourse.slicer.org/t/curvature-torsion-from-vmtk/45652)

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**Author:** [@kuoi](https://discourse.slicer.org/u/kuoi)\
**Replies:** 0\
**Last updated:** [January 1, 2026, 5:24pm UTC](https://discourse.slicer.org/t/curvature-torsion-from-vmtk/45652 "2026-01-01T17:24:12Z")

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Hello, I am using the Extract Centerline module. I obtained one centerline and one table containing a single line with a pair of curvature and torsion values. I noticed that curvature and torsion are reported in the exp…

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## [Feature request: improve the recent file history facilities](https://discourse.slicer.org/t/feature-request-improve-the-recent-file-history-facilities/45774)

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**Author:** [@chir.set](https://discourse.slicer.org/u/chir.set)\
**Replies:** 2\
**Last updated:** [January 14, 2026, 7:31am UTC](https://discourse.slicer.org/t/feature-request-improve-the-recent-file-history-facilities/45774 "2026-01-14T07:31:19Z")

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The recent file history disables menu items when the referenced files are not found when Slicer starts. The missing files may be available again if they are on removable media. They may also never appear again and occupy…

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## [How to implement real-time surgical navigation by mapping Intel RealSense D405 RGB-D camera with pre-operative CT/CBCT in 3D Slicer?](https://discourse.slicer.org/t/how-to-implement-real-time-surgical-navigation-by-mapping-intel-realsense-d405-rgb-d-camera-with-pre-operative-ct-cbct-in-3d-slicer/47604)

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**Author:** [@abhijeet2410](https://discourse.slicer.org/u/abhijeet2410)\
**Replies:** 0\
**Last updated:** [July 13, 2026, 4:38am UTC](https://discourse.slicer.org/t/how-to-implement-real-time-surgical-navigation-by-mapping-intel-realsense-d405-rgb-d-camera-with-pre-operative-ct-cbct-in-3d-slicer/47604 "2026-07-13T04:38:11Z")

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Hello everyone, Thank you for your kind attention. We are developing a real-time intraoral surgical navigation system using 3D Slicer and would appreciate guidance on the recommended workflow. Objective Our goal is to…

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## [Next PW Prep meeting Tues Jun 2 at 10 AM ET](https://discourse.slicer.org/t/next-pw-prep-meeting-tues-jun-2-at-10-am-et/47164)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 0\
**Last updated:** [May 28, 2026, 7:38pm UTC](https://discourse.slicer.org/t/next-pw-prep-meeting-tues-jun-2-at-10-am-et/47164 "2026-05-28T19:38:23Z")

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Dear Project Week community, The next project week preparation meeting will be next Tuesday, Jun 2, at 10:00 AM ET. (2026-06-02T14:00:00Z (UTC)) For this meeting, we will be discussing lung-related projects. If you are…

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## [Brain Modelling from MRI images // Help](https://discourse.slicer.org/t/brain-modelling-from-mri-images-help/45841)

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**Author:** [@nakcali](https://discourse.slicer.org/u/nakcali)\
**Replies:** 0\
**Last updated:** [January 20, 2026, 2:35pm UTC](https://discourse.slicer.org/t/brain-modelling-from-mri-images-help/45841 "2026-01-20T14:35:59Z")

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Hello, I am trying to create a 3D model of my brain. I am using Swiss Skull Stripper, but I am not able to do it properly. It looks like lego brain. My MRI data seem to be divided into several groups (for example: right…

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## [Clarification on Segment Statistics: Surface Area vs. Cross-Sectional Area (CSA) for Muscle Analysis](https://discourse.slicer.org/t/clarification-on-segment-statistics-surface-area-vs-cross-sectional-area-csa-for-muscle-analysis/45558)

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**Author:** [@GaetanoGazze](https://discourse.slicer.org/u/GaetanoGazze)\
**Replies:** 0\
**Last updated:** [December 19, 2025, 12:48pm UTC](https://discourse.slicer.org/t/clarification-on-segment-statistics-surface-area-vs-cross-sectional-area-csa-for-muscle-analysis/45558 "2025-12-19T12:48:57Z")

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Hi everyone, I am performing a quantitative body composition analysis on single-slice CT scans (at the D10 level) using the Segment Statistics module in 3D Slicer. I would like to clarify a methodological doubt to ensur…

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## [New to SlicerBiomech - How to measure Cortical Area of Long Bone](https://discourse.slicer.org/t/new-to-slicerbiomech-how-to-measure-cortical-area-of-long-bone/47728)

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**Author:** [@rjgilmour](https://discourse.slicer.org/u/rjgilmour)\
**Replies:** 0\
**Last updated:** [July 23, 2026, 4:40pm UTC](https://discourse.slicer.org/t/new-to-slicerbiomech-how-to-measure-cortical-area-of-long-bone/47728 "2026-07-23T16:40:19Z")

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Hi all, I’m new to both Slicer and the SlicerBiomech and SegmentGeometry extensions. I’m hoping to calculate cortical and medullary area of long bone cross sections, in addition to total area. Does anyone know if this e…

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## [Volume reconstruction feature missing in v.5.12](https://discourse.slicer.org/t/volume-reconstruction-feature-missing-in-v-5-12/47475)

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**Author:** [@Olivier](https://discourse.slicer.org/u/Olivier)\
**Replies:** 0\
**Last updated:** [June 27, 2026, 9:38am UTC](https://discourse.slicer.org/t/volume-reconstruction-feature-missing-in-v-5-12/47475 "2026-06-27T09:38:24Z")

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After updating to v 5.12, VolumeReconstruction is in the module list but when I click on it I get: VolumeReconstruction module is not loaded Any suggestion other than downgrading to 5.10?

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## [FINAL PW Prep meeting Tues Jun 16 at 10 AM ET](https://discourse.slicer.org/t/final-pw-prep-meeting-tues-jun-16-at-10-am-et/47321)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 0\
**Last updated:** [June 11, 2026, 8:56pm UTC](https://discourse.slicer.org/t/final-pw-prep-meeting-tues-jun-16-at-10-am-et/47321 "2026-06-11T20:56:24Z")

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Dear Project Week community, The final project week preparation meeting will be next Tuesday, June 16, at 10:00 AM ET. (2026-06-16T14:00:00Z (UTC)) For this meeting, we will be discussing simulation projects, SlicerVR,…

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## [Multi-Class Segmentation with CT + Aligned STL (Dental Dataset)](https://discourse.slicer.org/t/multi-class-segmentation-with-ct-aligned-stl-dental-dataset/46636)

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**Author:** [@abhijeet2410](https://discourse.slicer.org/u/abhijeet2410)\
**Replies:** 0\
**Last updated:** [April 2, 2026, 6:37am UTC](https://discourse.slicer.org/t/multi-class-segmentation-with-ct-aligned-stl-dental-dataset/46636 "2026-04-02T06:37:36Z")

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Operating system: Window Slicer version: 3 D Slicer 5. 10.0 :brain: Question: Multi-Class Segmentation with CT + Aligned STL (Dental Dataset) I am working on a dental AI dataset pipeline where I have: CT scan (DICO…

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## [Can you erase something in the sagittal plane, without affecting segmentations made in the axial plane?](https://discourse.slicer.org/t/can-you-erase-something-in-the-sagittal-plane-without-affecting-segmentations-made-in-the-axial-plane/46112)

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**Author:** [@Severin](https://discourse.slicer.org/u/Severin)\
**Replies:** 1\
**Last updated:** [February 10, 2026, 3:51pm UTC](https://discourse.slicer.org/t/can-you-erase-something-in-the-sagittal-plane-without-affecting-segmentations-made-in-the-axial-plane/46112 "2026-02-10T15:51:34Z")

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Hello everyone, My apologies, probably this has already been addressed previously and I am just not able to find the answer. I am using Slicer 3D (5.8) with Biomedisa and segmented every 20th slice in the axial plane. …

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## [Visualizing geomorph2slicermorph2 output in 3DSlicer: PCA plot differences?](https://discourse.slicer.org/t/visualizing-geomorph2slicermorph2-output-in-3dslicer-pca-plot-differences/45866)

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**Author:** [@katrust](https://discourse.slicer.org/u/katrust)\
**Replies:** 1\
**Last updated:** [January 22, 2026, 4:37pm UTC](https://discourse.slicer.org/t/visualizing-geomorph2slicermorph2-output-in-3dslicer-pca-plot-differences/45866 "2026-01-22T16:37:51Z")

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I am concerned about some differences I am seeing in my PCA scatterplot in 3DSlicer after having produced GPA and PCA results to slide semi-LMs in the geomorph R package. As a very coarse way to sanity checking myself, …

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## [How do i convert dcm files in segment editor..i m getting a lot of errors..i need this for my cbct analysis of tooth n pulp volume](https://discourse.slicer.org/t/how-do-i-convert-dcm-files-in-segment-editor-i-m-getting-a-lot-of-errors-i-need-this-for-my-cbct-analysis-of-tooth-n-pulp-volume/45829)

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**Author:** [@Sravya\_Guda](https://discourse.slicer.org/u/Sravya_Guda)\
**Replies:** 1\
**Last updated:** [January 19, 2026, 6:56pm UTC](https://discourse.slicer.org/t/how-do-i-convert-dcm-files-in-segment-editor-i-m-getting-a-lot-of-errors-i-need-this-for-my-cbct-analysis-of-tooth-n-pulp-volume/45829 "2026-01-19T18:56:49Z")

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I have to make a cbct analysis of pulp and tooth volume of tooth..so I was using batch dentalsegmentator. While I m trying to convert my dcm files into extension files..folder shoes empty in both input n output folder…I …

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## [Two SlicerMorph and MorphoDepot packaged extensions for todays Stable 5.12 build](https://discourse.slicer.org/t/two-slicermorph-and-morphodepot-packaged-extensions-for-todays-stable-5-12-build/47467)

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**Author:** [@muratmaga](https://discourse.slicer.org/u/muratmaga)\
**Replies:** 0\
**Last updated:** [June 25, 2026, 7:14pm UTC](https://discourse.slicer.org/t/two-slicermorph-and-morphodepot-packaged-extensions-for-todays-stable-5-12-build/47467 "2026-06-25T19:14:04Z")

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On a clean Slicer 5.12.0 (revision 34621) Linux install, installing SlicerMorph or MorphoDepot via the Extensions Manager (installExtensionFromServer) fails with “Failed to retrieve metadata for … extension”. The other e…

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## [Last chance to register to Slicer Project Week #44](https://discourse.slicer.org/t/last-chance-to-register-to-slicer-project-week-44/45842)

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**Author:** [@cpinter](https://discourse.slicer.org/u/cpinter)\
**Replies:** 0\
**Last updated:** [January 20, 2026, 2:36pm UTC](https://discourse.slicer.org/t/last-chance-to-register-to-slicer-project-week-44/45842 "2026-01-20T14:36:04Z")

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Dear Slicer Community, We have extended the deadline until the 22nd of January! If you’d like to attend the project week but haven’t registered, please do so. See more information at Welcome to the web page for the 44…

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## [Title: 2026.01.06 Weekly Meeting](https://discourse.slicer.org/t/title-2026-01-06-weekly-meeting/45682)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 0\
**Last updated:** [January 5, 2026, 9:32pm UTC](https://discourse.slicer.org/t/title-2026-01-06-weekly-meeting/45682 "2026-01-05T21:32:58Z")

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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 - …

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## [If i want skeletal muscle area at one slice](https://discourse.slicer.org/t/if-i-want-skeletal-muscle-area-at-one-slice/45184)

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**Author:** [@marwaayman](https://discourse.slicer.org/u/marwaayman)\
**Replies:** 0\
**Last updated:** [November 21, 2025, 3:14pm UTC](https://discourse.slicer.org/t/if-i-want-skeletal-muscle-area-at-one-slice/45184 "2025-11-21T15:14:11Z")

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If i want skeletal muscle area at one slice on L3 all muscles, if i use cross sectional area results it will be correct?

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## [How to segment ligaments on 3D T1w MRI images?](https://discourse.slicer.org/t/how-to-segment-ligaments-on-3d-t1w-mri-images/47705)

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**Author:** [@LuuTrinh](https://discourse.slicer.org/u/LuuTrinh)\
**Replies:** 0\
**Last updated:** [July 21, 2026, 2:38pm UTC](https://discourse.slicer.org/t/how-to-segment-ligaments-on-3d-t1w-mri-images/47705 "2026-07-21T14:38:12Z")

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Hi everyone, I am working on segmenting ligaments using 3D T1-weighted (T1w) MRI data in 3D Slicer, and I would appreciate some advice on the best workflow/tools for this task.

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## [4DCT registration - Hierarchical 3D Registration not recognizing "Sequence"](https://discourse.slicer.org/t/4dct-registration-hierarchical-3d-registration-not-recognizing-sequence/46026)

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**Author:** [@taylor\_t](https://discourse.slicer.org/u/taylor_t)\
**Replies:** 0\
**Last updated:** [February 1, 2026, 6:38pm UTC](https://discourse.slicer.org/t/4dct-registration-hierarchical-3d-registration-not-recognizing-sequence/46026 "2026-02-01T18:38:30Z")

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I am trying to process 4DCT data using SlicerAutoscoper. I was able to load in the static CT images (Bone Thins Knee Bilateral), perform segmentations and export as STL files, and load in the 4D CT dynamic data (4D Knee\_…

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## [PlusToolkit with GE Ultrasound using AppAPI + OpenIGTLink](https://discourse.slicer.org/t/plustoolkit-with-ge-ultrasound-using-appapi-openigtlink/47133)

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**Author:** [@nicxo99](https://discourse.slicer.org/u/nicxo99)\
**Replies:** 0\
**Last updated:** [May 24, 2026, 8:34am UTC](https://discourse.slicer.org/t/plustoolkit-with-ge-ultrasound-using-appapi-openigtlink/47133 "2026-05-24T08:34:32Z")

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Hello! I am trying to connect a GE ultrasound machine to the Plus framework for free-hand calibration (fCal). I am using Slicer to check that the data is valid. I wrote a small program in C++ that sends image data using…

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## [Surface Toolbox Clean model does not remove unconnected points](https://discourse.slicer.org/t/surface-toolbox-clean-model-does-not-remove-unconnected-points/46873)

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**Author:** [@mikebind](https://discourse.slicer.org/u/mikebind)\
**Replies:** 0\
**Last updated:** [April 29, 2026, 8:44pm UTC](https://discourse.slicer.org/t/surface-toolbox-clean-model-does-not-remove-unconnected-points/46873 "2026-04-29T20:44:10Z")

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I have a model which has points which are not part of any triangles. When I use vtkImplicitPolyDataDistance filters, distances to these points can come back as always negative, which is supposed to indicate that the pro…

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## [PW Meeting Jan 20](https://discourse.slicer.org/t/pw-meeting-jan-20/45831)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 0\
**Last updated:** [January 19, 2026, 4:49pm UTC](https://discourse.slicer.org/t/pw-meeting-jan-20/45831 "2026-01-19T16:49:27Z")

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Dear Project Week community, The next (and last!) project week preparation meeting will be next tomorrow, Tuesday, Jan 20, at 10:00 AM ET. (2026-01-20T15:00:00Z (UTC)) Here is the schedule of high-level discussion top…

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## [MusculoskeletalAnalysis Extension](https://discourse.slicer.org/t/musculoskeletalanalysis-extension/45071)

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**Author:** [@eliving1](https://discourse.slicer.org/u/eliving1)\
**Replies:** 0\
**Last updated:** [November 13, 2025, 9:09pm UTC](https://discourse.slicer.org/t/musculoskeletalanalysis-extension/45071 "2025-11-13T21:09:48Z")

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I’m running into a problem getting the MusculoskeletalAnalysis extension to work. I’m able to go through the tutorial on the extension website with the provided sample data successfully. As a next test, I tried using the…

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## [New extension: SlicerMicroView – read and write GE eXplore / MicroView VFF micro-CT volumes](https://discourse.slicer.org/t/new-extension-slicermicroview-read-and-write-ge-explore-microview-vff-micro-ct-volumes/48083)

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**Author:** [@falkwiegmann](https://discourse.slicer.org/u/falkwiegmann)\
**Replies:** 0\
**Last updated:** [September 6, 2026, 11:02pm UTC](https://discourse.slicer.org/t/new-extension-slicermicroview-read-and-write-ge-explore-microview-vff-micro-ct-volumes/48083 "2026-09-06T23:02:52Z")

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Hi all, I have submitted a small extension to the ExtensionsIndex and would appreciate a review when someone has a moment: Add SlicerMicroView extension by falkwiegmann · Pull Request #2390 · Slicer/ExtensionsIndex · Gi…

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## [Segmentation clipping as a node](https://discourse.slicer.org/t/segmentation-clipping-as-a-node/47852)

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**Author:** [@mohammed\_alshakhas](https://discourse.slicer.org/u/mohammed_alshakhas)\
**Replies:** 0\
**Last updated:** [August 10, 2026, 7:24pm UTC](https://discourse.slicer.org/t/segmentation-clipping-as-a-node/47852 "2026-08-10T19:24:13Z")

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im a big fan of clipping , however it is too far hidden and so many step to toggle back and forth. i think making it a module vs a node would be great addition . if two clipping can work as boundaries rather than just c…

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