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Related Experiment Video

Updated: Feb 13, 2026

Author Spotlight: Characterizing Porous Materials for Aiding the Development of Robust Metal-Organic Frameworks with Adsorption Behavior
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PRISM: An open source framework for the interactive design of GPU volume rendering shaders.

Simon Drouin1, D Louis Collins1

  • 1McConnell Brain Imaging Center, Montreal Neurological Institute and Hospital McGill University, McGill University, Montreal, Quebec, Canada.

Plos One
|March 14, 2018
PubMed
Summary
This summary is machine-generated.

The new Programmable Ray Integration Shading Model (PRISM) offers an open-source, flexible framework for direct volume rendering in medical imaging. It simplifies creating advanced visualizations for better anatomical exploration and clinical collaboration.

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Area of Science:

  • Medical Imaging
  • Computer Graphics
  • Scientific Visualization

Background:

  • Direct volume rendering is crucial for 3D medical image analysis but faces challenges in visualization quality and complexity.
  • Existing solutions often lack generality, limiting their application across diverse medical visualization use cases.

Purpose of the Study:

  • To introduce the Programmable Ray Integration Shading Model (PRISM), an open-source framework for GPU ray-casting.
  • To enable flexible and simplified creation of novel volume rendering effects for medical imaging.

Main Methods:

  • Developed PRISM, a GPU ray-casting framework allowing customizable ray integration algorithms.
  • Integrated a graphical user interface for easy experimentation with rendering effects and real-time code editing.
  • Evaluated PRISM's default performance against established methods (VTK) and its flexibility in implementing new techniques.

Main Results:

  • PRISM achieves comparable frame rates to widely-used direct volume rendering implementations.
  • Demonstrated the framework's flexibility by implementing various volume rendering techniques with minimal code.
  • A usability study confirmed the system's simplicity for medical imaging experts with limited rendering experience.

Conclusions:

  • PRISM provides a flexible, user-friendly, and open-source solution for direct volume rendering in medical applications.
  • The framework accelerates development by promoting code sharing, faster iterations, and enhanced collaboration.
  • PRISM has the potential to significantly advance medical visualization capabilities.