# Latest

**URL:** https://discourse.slicer.org/latest.md?page=16

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

**Page:** 17

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## [Thick slab reconstruction and maximum/minimum intensity volume projections](https://discourse.slicer.org/t/thick-slab-reconstruction-and-maximum-minimum-intensity-volume-projections/34974)

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**Author:** [@ddii](https://discourse.slicer.org/u/ddii)\
**Replies:** 2\
**Last updated:** [April 15, 2026, 3:23am UTC](https://discourse.slicer.org/t/thick-slab-reconstruction-and-maximum-minimum-intensity-volume-projections/34974 "2026-04-15T03:23:35Z")

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How do you change the slice thickness? Thick slab reconstruction and maximum/minimum intensity volume projections This way does not work anymore…

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## [2D MIP (maximum intensity projection) not works in Slicer 5.6.1](https://discourse.slicer.org/t/2d-mip-maximum-intensity-projection-not-works-in-slicer-5-6-1/36272)

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**Author:** [@park](https://discourse.slicer.org/u/park)\
**Replies:** 4\
**Last updated:** [April 15, 2026, 3:20am UTC](https://discourse.slicer.org/t/2d-mip-maximum-intensity-projection-not-works-in-slicer-5-6-1/36272 "2026-04-15T03:20:29Z")

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Hi all, I would like to make maximum intensity projection (MIP) in 2D view Thus, I tried the code below from the ‘script repository’ sliceNode = slicer.mrmlScene.GetNodeByID("vtkMRMLSliceNodeRed") appLogic = slicer.ap…

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## [Probe 3D Model in Slicer](https://discourse.slicer.org/t/probe-3d-model-in-slicer/31084)

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**Author:** [@deringur](https://discourse.slicer.org/u/deringur)\
**Replies:** 17\
**Last updated:** [April 13, 2026, 8:56pm UTC](https://discourse.slicer.org/t/probe-3d-model-in-slicer/31084 "2026-04-13T20:56:18Z")

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I am currently setting up a probe with the Motive software and OptiTrack camera system, and am transferring the live location data to Slicer via PLUS. Is there way to create a 3D model for the probe to view on Slicer (cl…

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## [Clipping a 3D model using anatomical planes in Slicer 5.8](https://discourse.slicer.org/t/clipping-a-3d-model-using-anatomical-planes-in-slicer-5-8/44961)

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**Author:** [@Eva\_Monclus\_Lahoya](https://discourse.slicer.org/u/Eva_Monclus_Lahoya)\
**Replies:** 7\
**Last updated:** [April 13, 2026, 4:37pm UTC](https://discourse.slicer.org/t/clipping-a-3d-model-using-anatomical-planes-in-slicer-5-8/44961 "2026-04-13T16:37:22Z")

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In previous versions of 3D Slicer, the Models module allowed clipping a model using the anatomical slice planes (axial, coronal, and sagittal). In version 5.8, I can’t find the same “Clip model by slice planes” option. …

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## [Error loading tiff images as a 3D model](https://discourse.slicer.org/t/error-loading-tiff-images-as-a-3d-model/46561)

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**Author:** [@Varsha](https://discourse.slicer.org/u/Varsha)\
**Replies:** 16\
**Last updated:** [April 13, 2026, 11:27am UTC](https://discourse.slicer.org/t/error-loading-tiff-images-as-a-3d-model/46561 "2026-04-13T11:27:58Z")

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I am trying to load 15 tiff images which are basically images taken at different z slices and create a 3D model out of it. When I try doing this using the Image Stack option under Slicer Morph, the load button remains de…

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## [OpenDose3D module is not loaded](https://discourse.slicer.org/t/opendose3d-module-is-not-loaded/36045)

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**Author:** [@Huihui](https://discourse.slicer.org/u/Huihui)\
**Replies:** 6\
**Last updated:** [April 13, 2026, 12:48am UTC](https://discourse.slicer.org/t/opendose3d-module-is-not-loaded/36045 "2026-04-13T00:48:53Z")

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Hi there, I’m trying to install OpedDose3D extension, but the module can not be loaded. Could anyone please help me? Thanks! Operating system: Windows Slicer version: 5.6.0 Expected behavior: Actual behavior:

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## [My dental segmentator does not work please help](https://discourse.slicer.org/t/my-dental-segmentator-does-not-work-please-help/46408)

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**Author:** [@TongJunLi](https://discourse.slicer.org/u/TongJunLi)\
**Replies:** 3\
**Last updated:** [April 12, 2026, 7:39pm UTC](https://discourse.slicer.org/t/my-dental-segmentator-does-not-work-please-help/46408 "2026-04-12T19:39:55Z")

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## [Landmark-based alignment of separate CT elements](https://discourse.slicer.org/t/landmark-based-alignment-of-separate-ct-elements/46670)

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**Author:** [@JaredAmudeo](https://discourse.slicer.org/u/JaredAmudeo)\
**Replies:** 2\
**Last updated:** [April 12, 2026, 11:31am UTC](https://discourse.slicer.org/t/landmark-based-alignment-of-separate-ct-elements/46670 "2026-04-12T11:31:49Z")

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Dear all, I hope you are doing well. I am reaching out in search of guidance and advice. I would like to know whether it is possible, using landmarks or point-based methods (I am not very familiar with this, so I apolo…

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## [Problem boolean operations to make fibula surgical guide](https://discourse.slicer.org/t/problem-boolean-operations-to-make-fibula-surgical-guide/46713)

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**Author:** [@Marco\_Sarcinella](https://discourse.slicer.org/u/Marco_Sarcinella)\
**Replies:** 2\
**Last updated:** [April 11, 2026, 5:51pm UTC](https://discourse.slicer.org/t/problem-boolean-operations-to-make-fibula-surgical-guide/46713 "2026-04-11T17:51:44Z")

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Hello! Hello! I would like to solve a problem with you. Often, after pressing the “make boolean operations to surgical guide base” button, an alert appears saying: ERROR: Boolean operations to make fibula surgical gu…

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## [Slicer is so buggy and keeps showing error on macbook air M5](https://discourse.slicer.org/t/slicer-is-so-buggy-and-keeps-showing-error-on-macbook-air-m5/46687)

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**Author:** [@sathishbalachandran](https://discourse.slicer.org/u/sathishbalachandran)\
**Replies:** 11\
**Last updated:** [April 11, 2026, 3:58am UTC](https://discourse.slicer.org/t/slicer-is-so-buggy-and-keeps-showing-error-on-macbook-air-m5/46687 "2026-04-11T03:58:23Z")

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Hello Slicer Support Team, I am a Radiation Oncologist (MD, DNB) attempting to use 3D Slicer for my daily clinical cases (1-2 cases/day). I recently moved from an old, basic Windows laptop to a new MacBook Air M5, but t…

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## [Experiment auto-optimize volume rendering](https://discourse.slicer.org/t/experiment-auto-optimize-volume-rendering/46711)

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**Author:** [@mau\_igna\_06](https://discourse.slicer.org/u/mau_igna_06)\
**Replies:** 0\
**Last updated:** [April 11, 2026, 12:42am UTC](https://discourse.slicer.org/t/experiment-auto-optimize-volume-rendering/46711 "2026-04-11T00:42:06Z")

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Hi, Seeing this post today: Sharing custom presets - #4 by muratmaga I tried to make a script that calls Slicer, screenshots a 3D picture of the CTChest data set with a custom property and tries to optimize the custom …

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## [Mac extension builds failing with cout error](https://discourse.slicer.org/t/mac-extension-builds-failing-with-cout-error/46685)

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**Author:** [@pieper](https://discourse.slicer.org/u/pieper)\
**Replies:** 14\
**Last updated:** [April 10, 2026, 7:20pm UTC](https://discourse.slicer.org/t/mac-extension-builds-failing-with-cout-error/46685 "2026-04-10T19:20:50Z")

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We noticed SlicerDMRI and other mac builds today. Looks like python extensions are okay but not C++ ones. Maybe related to the clipboard locale change? @Sam\_Horvath @ebrahim ?

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## [SlicerSeqSeg Extension](https://discourse.slicer.org/t/slicerseqseg-extension/46707)

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**Author:** [@numisveinsson](https://discourse.slicer.org/u/numisveinsson)\
**Replies:** 0\
**Last updated:** [April 10, 2026, 5:29pm UTC](https://discourse.slicer.org/t/slicerseqseg-extension/46707 "2026-04-10T17:29:06Z")

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Hi everyone, I’m sharing SeqSeg, a new 3D Slicer extension for seed-based segmentation of tubular/vascular structures from CT or MR. You place two fiducial seeds and a radius estimate; the module runs the SeqSeg pipelin…

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## [Please help me. I've tried everything i known](https://discourse.slicer.org/t/please-help-me-ive-tried-everything-i-known/46702)

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**Author:** [@Tech-Liuxy](https://discourse.slicer.org/u/Tech-Liuxy)\
**Replies:** 1\
**Last updated:** [April 10, 2026, 1:08am UTC](https://discourse.slicer.org/t/please-help-me-ive-tried-everything-i-known/46702 "2026-04-10T01:08:10Z")

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\##MAC TAHOE26 Processing started Writing input file to /private/var/folders/c2/7ytv4ycx59z72y4bcl8dfplh0000gn/T/Slicer-liuxy/\_\_SlicerTemp\_\_2026-04-09\_14+44+48.430/total-segmentator-input.nii Creating segmentations wit…

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## [Best tutorials and added tools for volume rendering](https://discourse.slicer.org/t/best-tutorials-and-added-tools-for-volume-rendering/46688)

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**Author:** [@sulli419](https://discourse.slicer.org/u/sulli419)\
**Replies:** 6\
**Last updated:** [April 9, 2026, 9:52pm UTC](https://discourse.slicer.org/t/best-tutorials-and-added-tools-for-volume-rendering/46688 "2026-04-09T21:52:48Z")

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The flexibility of the volume rendering feature is quite impressive, and it seems like this would be useful for finding things in 3D (not just making them pretty). Are there any good expert tutorials that go through how…

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## [Orbital wall segmentation and bridging defects](https://discourse.slicer.org/t/orbital-wall-segmentation-and-bridging-defects/46703)

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**Author:** [@hungryjoe](https://discourse.slicer.org/u/hungryjoe)\
**Replies:** 0\
**Last updated:** [April 9, 2026, 3:27pm UTC](https://discourse.slicer.org/t/orbital-wall-segmentation-and-bridging-defects/46703 "2026-04-09T15:27:12Z")

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Hi there, Pretty new to this so very much appreciate any help. I am trying to 3D print orbits, but running into issues with thin bone and holes. I am trying to use filters, wrap solidify, etc but I just cannot seem to m…

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## [Multiple organs segmentation in a MRI sequence?](https://discourse.slicer.org/t/multiple-organs-segmentation-in-a-mri-sequence/46699)

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**Author:** [@koperkill](https://discourse.slicer.org/u/koperkill)\
**Replies:** 0\
**Last updated:** [April 9, 2026, 1:36pm UTC](https://discourse.slicer.org/t/multiple-organs-segmentation-in-a-mri-sequence/46699 "2026-04-09T13:36:47Z")

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Hello, For a DCE-MRI study, I would like to extract the signal intensity, through time, for a dozen organs and regions of the upper body. I have successfully built a time sequence using my 40 volumes in time, drawn a s…

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## [Progress on Passthrough enabled while having SlicerVR open?](https://discourse.slicer.org/t/progress-on-passthrough-enabled-while-having-slicervr-open/46640)

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**Author:** [@zachbrauer15](https://discourse.slicer.org/u/zachbrauer15)\
**Replies:** 2\
**Last updated:** [April 9, 2026, 12:21pm UTC](https://discourse.slicer.org/t/progress-on-passthrough-enabled-while-having-slicervr-open/46640 "2026-04-09T12:21:16Z")

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Hello, My team is currently working on displaying a 3D render of a Clarius Ultrasound image within our Meta Quest 3. We would like to have passthrough enabled at the same time as the slicer module so that the user can v…

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## [Semantic search for this forum](https://discourse.slicer.org/t/semantic-search-for-this-forum/34811)

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**Author:** [@pieper](https://discourse.slicer.org/u/pieper)\
**Replies:** 11\
**Last updated:** [April 9, 2026, 12:06pm UTC](https://discourse.slicer.org/t/semantic-search-for-this-forum/34811 "2026-04-09T12:06:10Z")

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It seems we still get a lot of repeat questions from newcomers to this forum, and that it’s still sometimes a challenge to find previous posts. It seems that the discourse meta and openai discourse would be the places w…

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## [Viewing / Analysing RT Plans / Fields](https://discourse.slicer.org/t/viewing-analysing-rt-plans-fields/46683)

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**Author:** [@AlexB](https://discourse.slicer.org/u/AlexB)\
**Replies:** 4\
**Last updated:** [April 9, 2026, 3:27am UTC](https://discourse.slicer.org/t/viewing-analysing-rt-plans-fields/46683 "2026-04-09T03:27:02Z")

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Greetings, dear community! First off, thanks for this project–and for actively maintaining it. Now, I’d like to know if the program would cover my use-case, namely: Visualise dose distributions (in colour-wash mode) S…

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## [Exploring digital membership cards for patient/research access in medical imaging environments](https://discourse.slicer.org/t/exploring-digital-membership-cards-for-patient-research-access-in-medical-imaging-environments/46684)

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**Author:** [@hanblue](https://discourse.slicer.org/u/hanblue)\
**Replies:** 0\
**Last updated:** [April 8, 2026, 2:14pm UTC](https://discourse.slicer.org/t/exploring-digital-membership-cards-for-patient-research-access-in-medical-imaging-environments/46684 "2026-04-08T14:14:45Z")

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Hi everyone, I’ve been thinking about how digital identity and access systems can be improved in medical imaging and research environments, especially in setups where multiple institutions collaborate. In many industri…

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## [Extension site not found](https://discourse.slicer.org/t/extension-site-not-found/46484)

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**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")

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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?

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## [CT reconstruction artifacts?](https://discourse.slicer.org/t/ct-reconstruction-artifacts/46677)

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**Author:** [@mau\_igna\_06](https://discourse.slicer.org/u/mau_igna_06)\
**Replies:** 1\
**Last updated:** [April 7, 2026, 8:24pm UTC](https://discourse.slicer.org/t/ct-reconstruction-artifacts/46677 "2026-04-07T20:24:25Z")

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Hi, I’d like to know what is the cause of the apparent artifact on the skin seen on the sagittal view of the picture below (circled by the CC curve) Thank you very much

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## [2026.04.07 Weekly Meeting](https://discourse.slicer.org/t/2026-04-07-weekly-meeting/46673)

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**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 1\
**Last updated:** [April 7, 2026, 4:14pm UTC](https://discourse.slicer.org/t/2026-04-07-weekly-meeting/46673 "2026-04-07T16:14:37Z")

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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 …

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## [Keep the hand-drawn segmentation after interpolation](https://discourse.slicer.org/t/keep-the-hand-drawn-segmentation-after-interpolation/46605)

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**Author:** [@mrrezaie](https://discourse.slicer.org/u/mrrezaie)\
**Replies:** 6\
**Last updated:** [April 7, 2026, 2:14pm UTC](https://discourse.slicer.org/t/keep-the-hand-drawn-segmentation-after-interpolation/46605 "2026-04-07T14:14:23Z")

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Hello all. I’m working with a non-isotropic MRI, only the sagittal view with 31 slices. More info can be found in this post: Segmentation using curves . I drew the segmentation on each slice, however, the 3D shape is not…

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## [Section thickness](https://discourse.slicer.org/t/section-thickness/46674)

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**Author:** [@sturiones](https://discourse.slicer.org/u/sturiones)\
**Replies:** 0\
**Last updated:** [April 7, 2026, 9:58am UTC](https://discourse.slicer.org/t/section-thickness/46674 "2026-04-07T09:58:25Z")

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How can I set up the slice thickness while uploading the stack of histological (light microscopy) sections?

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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)

<div class="topic-metadata">

**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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## [2026.03.31 Weekly Meeting](https://discourse.slicer.org/t/2026-03-31-weekly-meeting/46615)

<div class="topic-metadata">

**Author:** [@Sam\_Horvath](https://discourse.slicer.org/u/Sam_Horvath)\
**Replies:** 6\
**Last updated:** [April 7, 2026, 2:43am UTC](https://discourse.slicer.org/t/2026-03-31-weekly-meeting/46615 "2026-04-07T02:43:10Z")

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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 …

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## [Issue with Visualizing 3D Movie After Converting Raw DICOM to Cartesian DICOM in 3D Slice](https://discourse.slicer.org/t/issue-with-visualizing-3d-movie-after-converting-raw-dicom-to-cartesian-dicom-in-3d-slice/42074)

<div class="topic-metadata">

**Author:** [@federica-pixel](https://discourse.slicer.org/u/federica-pixel)\
**Replies:** 7\
**Last updated:** [April 7, 2026, 1:17am UTC](https://discourse.slicer.org/t/issue-with-visualizing-3d-movie-after-converting-raw-dicom-to-cartesian-dicom-in-3d-slice/42074 "2026-04-07T01:17:43Z")

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I came across information on converting 3D TEE data from raw DICOM to Cartesian DICOM using GE software. I am currently trying to achieve this and would greatly appreciate your insights. First, I downloaded SlicerHeart …

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## [Urgent (Thesis project): Thresholding Impossible due to High Noise Levels in CT Reconstruction](https://discourse.slicer.org/t/urgent-thesis-project-thresholding-impossible-due-to-high-noise-levels-in-ct-reconstruction/46632)

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**Author:** [@Yaren\_Cetin](https://discourse.slicer.org/u/Yaren_Cetin)\
**Replies:** 4\
**Last updated:** [April 6, 2026, 4:11pm UTC](https://discourse.slicer.org/t/urgent-thesis-project-thresholding-impossible-due-to-high-noise-levels-in-ct-reconstruction/46632 "2026-04-06T16:11:19Z")

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To Whom It May Concern, I am experiencing a critical technical issue with my CT scan data that is preventing me from proceeding with my thesis analysis. The primary problem is that the Signal-to-Noise Ratio (SNR) is so…

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