# \#surgical-navigation

**URL:** https://discourse.slicer.org/tag/surgical-navigation/4.md

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

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## [PLUS server support for motion capture systems (Optitrack with Motive 3.x and VICON)](https://discourse.slicer.org/t/plus-server-support-for-motion-capture-systems-optitrack-with-motive-3-x-and-vicon/38111)

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**Author:** [@modenaxe](https://discourse.slicer.org/u/modenaxe)\
**Replies:** 5\
**Last updated:** [May 6, 2026, 12:40pm UTC](https://discourse.slicer.org/t/plus-server-support-for-motion-capture-systems-optitrack-with-motive-3-x-and-vicon/38111 "2026-05-06T12:40:04Z")

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Hello, I am looking into the PLUS toolkit documentation and tutorials with the aim of building a 3D Ultrasound setup and I am writing with the hope of understanding if the support to the Optitrack motion capture system…

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## [Fiducial Registration Wizard transforms](https://discourse.slicer.org/t/fiducial-registration-wizard-transforms/46770)

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**Author:** [@Zaky\_Alfarizi](https://discourse.slicer.org/u/Zaky_Alfarizi)\
**Replies:** 4\
**Last updated:** [April 20, 2026, 9:59am UTC](https://discourse.slicer.org/t/fiducial-registration-wizard-transforms/46770 "2026-04-20T09:59:06Z")

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I’m a beginner, I already have a calibrated pointer. I have a tracker at my object in real life, the pointer should be relative to the tracker on my real life object/reference, right? So my pointer transform will be calc…

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## [It's possible to use GE Vscan Ultrasound?](https://discourse.slicer.org/t/its-possible-to-use-ge-vscan-ultrasound/36111)

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**Author:** [@ruben99999](https://discourse.slicer.org/u/ruben99999)\
**Replies:** 8\
**Last updated:** [March 26, 2026, 5:33pm UTC](https://discourse.slicer.org/t/its-possible-to-use-ge-vscan-ultrasound/36111 "2026-03-26T17:33:39Z")

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Hello, I am a master student who for his thesis project tries to use a GE Vscan Extend Ultrasound to perform a real-time 3D reconstruction of a phantom. However, from what I’ve read, I don’t think this type of scanner is…

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## [Virtual CathLab: new module for C-arm and fluoroscopy imaging simulation](https://discourse.slicer.org/t/virtual-cathlab-new-module-for-c-arm-and-fluoroscopy-imaging-simulation/45355)

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**Author:** [@lassoan](https://discourse.slicer.org/u/lassoan)\
**Replies:** 10\
**Last updated:** [March 20, 2026, 11:34pm UTC](https://discourse.slicer.org/t/virtual-cathlab-new-module-for-c-arm-and-fluoroscopy-imaging-simulation/45355 "2026-03-20T23:34:34Z")

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Virtual Cath Lab module has been recently added to SlicerHeart extension. This module simulates monoplane and biplane C-arm systems: provides 3D model of the C-arm, table, patient and generates simulated fluoroscopy imag…

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## [Seeking Guidance: Developing a Real-Time 3D Visualization System Using 3D Slicer and IGT](https://discourse.slicer.org/t/seeking-guidance-developing-a-real-time-3d-visualization-system-using-3d-slicer-and-igt/41451)

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**Author:** [@Navneet](https://discourse.slicer.org/u/Navneet)\
**Replies:** 10\
**Last updated:** [January 25, 2026, 12:39pm UTC](https://discourse.slicer.org/t/seeking-guidance-developing-a-real-time-3d-visualization-system-using-3d-slicer-and-igt/41451 "2026-01-25T12:39:02Z")

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Hello 3D Slicer Community, I’m currently working on a project that involves real-time 3D visualization and tracking for image-guided surgery using 3D Slicer. The goal is to create a system that integrates medical imagin…

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## [Seeking Assistance/Developers Setting Up Needle Tracking for Intel RealSense Camera](https://discourse.slicer.org/t/seeking-assistance-developers-setting-up-needle-tracking-for-intel-realsense-camera/37988)

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**Author:** [@rsp112](https://discourse.slicer.org/u/rsp112)\
**Replies:** 1\
**Last updated:** [December 3, 2025, 3:33pm UTC](https://discourse.slicer.org/t/seeking-assistance-developers-setting-up-needle-tracking-for-intel-realsense-camera/37988 "2025-12-03T15:33:20Z")

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Hi all! New here. I’m a student working on project whereby a needle must be tracked with a 3D model (of the needle) across different scan views in 3D slicer. I was wondering what modules/add-ons would be needed as well…

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## [Optitrack Trio V120 with PlusServer](https://discourse.slicer.org/t/optitrack-trio-v120-with-plusserver/44720)

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**Author:** [@max\_05ge](https://discourse.slicer.org/u/max_05ge)\
**Replies:** 2\
**Last updated:** [October 14, 2025, 2:44am UTC](https://discourse.slicer.org/t/optitrack-trio-v120-with-plusserver/44720 "2025-10-14T02:44:21Z")

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Hello, Unfortunately, I can’t launch PlusServer with Optitrack. First, here are the logs I get with PlusServer: " time|level|timeoffset|message|location 101025\_110628.500|INFO|000.003000|\> Software version: Plus-2.9…

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## [How to create dynamic StylusToReference transform from NDI tracker data?](https://discourse.slicer.org/t/how-to-create-dynamic-stylustoreference-transform-from-ndi-tracker-data/44254)

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**Author:** [@jonh\_wick](https://discourse.slicer.org/u/jonh_wick)\
**Replies:** 1\
**Last updated:** [August 29, 2025, 6:28pm UTC](https://discourse.slicer.org/t/how-to-create-dynamic-stylustoreference-transform-from-ndi-tracker-data/44254 "2025-08-29T18:28:30Z")

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Hi all,大家好 I am working with an NDI tracker in 3D Slicer and I have two transforms provided dynamically by the tracker: StylusToTracker ReferenceToTracker What I would like to obtain in real time is the transfo…

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## [Can SlicerIGT Fiducial Registration Wizard use global coordinates instead of RAS?](https://discourse.slicer.org/t/can-slicerigt-fiducial-registration-wizard-use-global-coordinates-instead-of-ras/44007)

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**Author:** [@Noam\_Borenstein](https://discourse.slicer.org/u/Noam_Borenstein)\
**Replies:** 3\
**Last updated:** [August 8, 2025, 8:49pm UTC](https://discourse.slicer.org/t/can-slicerigt-fiducial-registration-wizard-use-global-coordinates-instead-of-ras/44007 "2025-08-08T20:49:28Z")

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Hi everyone! I am working with a tracked knee model using an NDI camera. I am trying to find the transform between two sets of moving point lists using the fiducial registration wizard. If I move a point in the local/RA…

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## [Connection Plus Server to Epiphan Framegrabber](https://discourse.slicer.org/t/connection-plus-server-to-epiphan-framegrabber/23533)

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**Author:** [@J.vd.Zee](https://discourse.slicer.org/u/J.vd.Zee)\
**Replies:** 6\
**Last updated:** [April 28, 2025, 2:09pm UTC](https://discourse.slicer.org/t/connection-plus-server-to-epiphan-framegrabber/23533 "2025-04-28T14:09:28Z")

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Dear all! I am trying to stream US data to 3D Slicer (4.13) via Plus Server (2.8, latest version) and OpenIGT. Therefore, I bought the Epiphan AV.io framegrabber and connected it to my computer. However, I am not able …

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## [Sequence Browsing: Loss of Spatial Movement After Saving in Slicer](https://discourse.slicer.org/t/sequence-browsing-loss-of-spatial-movement-after-saving-in-slicer/42369)

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**Author:** [@rcpr](https://discourse.slicer.org/u/rcpr)\
**Replies:** 2\
**Last updated:** [April 1, 2025, 5:19pm UTC](https://discourse.slicer.org/t/sequence-browsing-loss-of-spatial-movement-after-saving-in-slicer/42369 "2025-04-01T17:19:03Z")

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Hi everyone! First of all, I’d like to thank you for your availability! I’m using fCal to receive ultrasound images from a frame grabber while simultaneously acquiring spatial information from the sensor attached to th…

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## [Quest VR controllers as live trackers](https://discourse.slicer.org/t/quest-vr-controllers-as-live-trackers/40901)

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**Author:** [@sberns](https://discourse.slicer.org/u/sberns)\
**Replies:** 12\
**Last updated:** [March 14, 2025, 7:28am UTC](https://discourse.slicer.org/t/quest-vr-controllers-as-live-trackers/40901 "2025-03-14T07:28:23Z")

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Hi, I recently came across 3d slicer and I was wondering if this software is capable of assisting me with a research project. I would like to do real time 2d ultrasound scanning and 3d volumetric reconstruction in virtu…

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## [Unable to load landmark points from DICOM Surface Segmentation created by BrainLab Origin](https://discourse.slicer.org/t/unable-to-load-landmark-points-from-dicom-surface-segmentation-created-by-brainlab-origin/41971)

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**Author:** [@Arber\_Demi](https://discourse.slicer.org/u/Arber_Demi)\
**Replies:** 11\
**Last updated:** [March 11, 2025, 9:32am UTC](https://discourse.slicer.org/t/unable-to-load-landmark-points-from-dicom-surface-segmentation-created-by-brainlab-origin/41971 "2025-03-11T09:32:51Z")

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Hello everyone, I’m trying to load some DICOM segmentation file, similar to “Unable to load DICOM segmentation file”. I am running into the same issue of not being able to load these files. The files do have reference i…

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## [Segmentation on 3D ultrasound data from raw images?](https://discourse.slicer.org/t/segmentation-on-3d-ultrasound-data-from-raw-images/23151)

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**Author:** [@MCrouzier](https://discourse.slicer.org/u/MCrouzier)\
**Replies:** 3\
**Last updated:** [February 17, 2025, 4:21pm UTC](https://discourse.slicer.org/t/segmentation-on-3d-ultrasound-data-from-raw-images/23151 "2025-02-17T16:21:42Z")

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Dear all, I am using 3D slicer (v4.11) to collect 3D-ultrasound data of some human body tendons. I noticed that when I reconstruct a 3D volume from an ultrasound acquisition, I loose a lot in image quality (even when t…

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## [How to Implement Marker-Based Tracking and 3D Visualization in 3D Slicer (Similar to Video Example)](https://discourse.slicer.org/t/how-to-implement-marker-based-tracking-and-3d-visualization-in-3d-slicer-similar-to-video-example/41473)

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**Author:** [@Navneet](https://discourse.slicer.org/u/Navneet)\
**Replies:** 0\
**Last updated:** [February 3, 2025, 9:05pm UTC](https://discourse.slicer.org/t/how-to-implement-marker-based-tracking-and-3d-visualization-in-3d-slicer-similar-to-video-example/41473 "2025-02-03T21:05:19Z")

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Hello 3D Slicer Community, I am looking to replicate a system similar to the one demonstrated in this video: Marker-Based Tracking and Visualization in 3D Slicer. The system involves: Using a physical marker (e.g., fi…

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## [SlicerIGT pivot calibration](https://discourse.slicer.org/t/slicerigt-pivot-calibration/39881)

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**Author:** [@mayaambar](https://discourse.slicer.org/u/mayaambar)\
**Replies:** 3\
**Last updated:** [November 27, 2024, 12:07pm UTC](https://discourse.slicer.org/t/slicerigt-pivot-calibration/39881 "2024-11-27T12:07:53Z")

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Hello I’m trying to use the pivot and the spin caliberation in the igt model, at first it worked fine but now it stopped working, do you have any idea what am I doing wrong? I’m working with a needle model and a NDI au…

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## [Fiducials configuration for spatial calibration with no streaming of 'StylusToProbe' transform](https://discourse.slicer.org/t/fiducials-configuration-for-spatial-calibration-with-no-streaming-of-stylustoprobe-transform/13326)

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**Author:** [@AurelieS](https://discourse.slicer.org/u/AurelieS)\
**Replies:** 8\
**Last updated:** [November 4, 2024, 1:52pm UTC](https://discourse.slicer.org/t/fiducials-configuration-for-spatial-calibration-with-no-streaming-of-stylustoprobe-transform/13326 "2024-11-04T13:52:46Z")

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Hi (again…), I am sorry for all the topics, 3D ultrasound is quite new for me and some aspects are still blurry… I followed your tutorial U31 for spatial calibration of my ultrasound probe. The problem is that the int…

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## [Mandible Reconstruction extension new release](https://discourse.slicer.org/t/mandible-reconstruction-extension-new-release/39563)

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**Author:** [@mau\_igna\_06](https://discourse.slicer.org/u/mau_igna_06)\
**Replies:** 0\
**Last updated:** [October 7, 2024, 12:29pm UTC](https://discourse.slicer.org/t/mandible-reconstruction-extension-new-release/39563 "2024-10-07T12:29:22Z")

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Hi BoneReconstructionPlanner community, a new version has been released for Slicer 5.6.2 You can download it today from the extensions manager. See how you can get nicer renderings: Also, the GUI has been refactore…

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## [Create 3D volume from 2D ultrasound with IMU](https://discourse.slicer.org/t/create-3d-volume-from-2d-ultrasound-with-imu/38343)

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**Author:** [@Sekeun\_Kim](https://discourse.slicer.org/u/Sekeun_Kim)\
**Replies:** 1\
**Last updated:** [September 12, 2024, 2:57am UTC](https://discourse.slicer.org/t/create-3d-volume-from-2d-ultrasound-with-imu/38343 "2024-09-12T02:57:14Z")

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Thank you for your sharing. I am trying to do same project that you mentioned generating 3D vol from 2D. Could you share your experience on that ? Especially, did you used IMU for location information and probe as ima…

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## [IMU for US tracker](https://discourse.slicer.org/t/imu-for-us-tracker/38280)

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**Author:** [@Sekeun\_Kim](https://discourse.slicer.org/u/Sekeun_Kim)\
**Replies:** 1\
**Last updated:** [September 9, 2024, 1:00am UTC](https://discourse.slicer.org/t/imu-for-us-tracker/38280 "2024-09-09T01:00:01Z")

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Hi, all. I am new to slicer extention. Which IMU can be directly interact with slicer IGT? THanks

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## [Which .xml file is needed to configure the PLUS server of NDI Polaris Vega ST](https://discourse.slicer.org/t/which-xml-file-is-needed-to-configure-the-plus-server-of-ndi-polaris-vega-st/37770)

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**Author:** [@ning\_w](https://discourse.slicer.org/u/ning_w)\
**Replies:** 1\
**Last updated:** [August 8, 2024, 2:35pm UTC](https://discourse.slicer.org/t/which-xml-file-is-needed-to-configure-the-plus-server-of-ndi-polaris-vega-st/37770 "2024-08-08T14:35:21Z")

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This is my first time to learn about plus server. I just downloaded the plus software and want to configure the plus server software for NDI polaris Vega ST, but I don’t know which .xml file I need to use. Can anyone tel…

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## [Slicer + Plus Server Connection Error](https://discourse.slicer.org/t/slicer-plus-server-connection-error/27106)

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**Author:** [@Kush\_Hari](https://discourse.slicer.org/u/Kush_Hari)\
**Replies:** 3\
**Last updated:** [August 8, 2024, 12:20pm UTC](https://discourse.slicer.org/t/slicer-plus-server-connection-error/27106 "2024-08-08T12:20:04Z")

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Hi, I am attempting to obtain the appropriate transforms for a configuration of NDI markers. I am using the Polaris Vega VT camera, and the Plus Remote module on Slicer. When I launch the Plus server individually, the c…

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## [Learning how to use pyigtl](https://discourse.slicer.org/t/learning-how-to-use-pyigtl/24210)

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**Author:** [@Elvis\_Chen](https://discourse.slicer.org/u/Elvis_Chen)\
**Replies:** 2\
**Last updated:** [July 6, 2022, 7:07pm UTC](https://discourse.slicer.org/t/learning-how-to-use-pyigtl/24210 "2022-07-06T19:07:55Z")

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Operating system: 10 Slicer version: n/a Expected behavior: receiving an imaged with embedded transform Actual behavior: received “None” hi all, I am trying to create a python program that receives tracked images fr…

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## [Calibration of the NDI aurora tracking system with DICOM images and respective segmentations](https://discourse.slicer.org/t/calibration-of-the-ndi-aurora-tracking-system-with-dicom-images-and-respective-segmentations/37059)

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**Author:** [@\_Mara10](https://discourse.slicer.org/u/_Mara10)\
**Replies:** 0\
**Last updated:** [June 27, 2024, 2:30am UTC](https://discourse.slicer.org/t/calibration-of-the-ndi-aurora-tracking-system-with-dicom-images-and-respective-segmentations/37059 "2024-06-27T02:30:18Z")

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Automatically translated by Google Translate: Hi, I connected the 6DOF sensor using Plus Toolkit and the IGTLink slicer extension, after which I loaded DICOM files with respective segmentations recorded on the CT, but i…

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## [how do I take  a data from a cathather sensor and show it in a heart](https://discourse.slicer.org/t/how-do-i-take-a-data-from-a-cathather-sensor-and-show-it-in-a-heart/36590)

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**Author:** [@mayaambar](https://discourse.slicer.org/u/mayaambar)\
**Replies:** 2\
**Last updated:** [June 18, 2024, 8:19am UTC](https://discourse.slicer.org/t/how-do-i-take-a-data-from-a-cathather-sensor-and-show-it-in-a-heart/36590 "2024-06-18T08:19:29Z")

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Hello I am working at a startup company, developing cathather for the heart. we have a sensor that tell as the X Y Z and the roll pitch and azimuth with each movement. we also have a model of the left atrium that we b…

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## [Live volume reconstruction using Telemed and NDI Aurora](https://discourse.slicer.org/t/live-volume-reconstruction-using-telemed-and-ndi-aurora/36578)

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**Author:** [@valerie](https://discourse.slicer.org/u/valerie)\
**Replies:** 12\
**Last updated:** [June 17, 2024, 2:26pm UTC](https://discourse.slicer.org/t/live-volume-reconstruction-using-telemed-and-ndi-aurora/36578 "2024-06-17T14:26:57Z")

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Operating system: Windows 10 Slicer version: 4.11.20200930 Plus version: 2.9.0.20240320-Telemed-Win64 Expected behavior: Image slice from Telemed moves as tracked by the NDI Aurora. Scout scan projects movement and li…

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## [US transducer path tracker](https://discourse.slicer.org/t/us-transducer-path-tracker/35526)

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**Author:** [@avimo1](https://discourse.slicer.org/u/avimo1)\
**Replies:** 4\
**Last updated:** [April 17, 2024, 7:05am UTC](https://discourse.slicer.org/t/us-transducer-path-tracker/35526 "2024-04-17T07:05:42Z")

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Hi, I am new to 3D slicer, please be patient we me. It will be delightful to know if there is a way to load the US probe pathway as a separate file to the US image files batch, if there is a thread about this topic he…

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## [Create an online segmentation mask from navigation data](https://discourse.slicer.org/t/create-an-online-segmentation-mask-from-navigation-data/35518)

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**Author:** [@Davide\_Scorza](https://discourse.slicer.org/u/Davide_Scorza)\
**Replies:** 0\
**Last updated:** [April 16, 2024, 8:51am UTC](https://discourse.slicer.org/t/create-an-online-segmentation-mask-from-navigation-data/35518 "2024-04-16T08:51:26Z")

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Dear Slicer community, I am developing a module which includes a navigation step of a surgical robot (it is related to an older topic posted by a colleague some time ago) , and I would like to update the visualization o…

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## [Surgical planning and guidance](https://discourse.slicer.org/t/surgical-planning-and-guidance/35220)

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**Author:** [@ILB](https://discourse.slicer.org/u/ILB)\
**Replies:** 1\
**Last updated:** [April 2, 2024, 12:50pm UTC](https://discourse.slicer.org/t/surgical-planning-and-guidance/35220 "2024-04-02T12:50:07Z")

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Hello everyone! Do you know if there is a software or 3D Slicer extension that allow doing some preoperative surgical planning over a 3D model? The idea is to simulate something like a tumor extirpation to plan which is…

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## [Problem with Segmentation UNet](https://discourse.slicer.org/t/problem-with-segmentation-unet/34923)

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**Author:** [@LeidyMoraV](https://discourse.slicer.org/u/LeidyMoraV)\
**Replies:** 3\
**Last updated:** [March 18, 2024, 2:00pm UTC](https://discourse.slicer.org/t/problem-with-segmentation-unet/34923 "2024-03-18T14:00:13Z")

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Hello, I’m new working with PLUS and sliceIGT and I’m trying to follow the tutorial: Tracked ultrasound AI segmentation and 3D reconstruction tutorial - YouTube But after adding the py file the ‘Ultrasound’ \> ‘Segment…

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