2025.08.12 Weekly Meeting

Community Weekly meetings
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Tomorrow, we will be having our next weekly hangout at 10:00 AM ET until 11:00 AM ET. a

Anyone is welcome to join at this link: https://bit.ly/slicer-googlemeet-hosted-by-kitware

Agenda:

Please post to this thread to put a topic on the agenda! We will try to prioritize agenda items during the meeting.

Thanks
Sam and J-Christophe

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Meeting Notes

SlicerWarp Experiments

@pieper presented an early integration of NVIDIA Warp into 3D Slicer. Warp is a Python/CUDA-based simulation framework that supports CPU and GPU execution and integrates efficiently with PyTorch. Notable features include:

  • All simulations are differentiable by default.
  • Integration with Slicer is performed using NumPy arrays.
  • Warp is being refactored into a standalone library called Newton Physics, which will continue using Warp under the hood.

Licensing
Warp was recently relicensed under the permissive Apache 2.0 license, making it more compatible with open-source projects like Slicer.

Complement to SOFA
The group discussed how SlicerWarp could serve as a lightweight and performant alternative or complement to SOFA, particularly since many of the integration patterns with Slicer are similar.

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Whisper & Slicer Integration Experiment

Prototype by @mau_igna_06:

A live demo was shown that enables voice-based interaction with Slicer through a web browser. The system:

  • Uses a WebAssembly (WASM)-compiled version of whisper.cpp for speech-to-text processing.
  • Runs entirely in the browser and sends parsed voice commands to Slicer using the existing WebServer module.

This proof-of-concept highlights a promising direction for making Slicer more accessible via natural language interfaces.

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