Project Week 25/Next Generation GPU Volume Rendering

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Key Investigators

Project Description

Objective Approach and Plan Progress and Next Steps

Develop a specification for the next generation of GPU volume processing and rendering in VTK and Slicer

The specification should support

  • Multiple input volumes for ray-casting and slice-based volume rendering
  • GPU-based volume slicing and compositing
  • Programmable volume rendering shader
  • Smart management of volumes in GPU memory
  • Possibility to run simple processing operations on the volume (e.g. Non-linear transforms)

Compare the architectures of different existing projects where parts of the required functionality has been implemented:

  • Ibis Neuronav/PRISM (Multi-volume ray-casting with progammable shaders in VTK)
  • Steve Piepers volume processing on the GPU with GLSL (Steve, please write something smarter here)
  • CustusX (GPU volume slicing and compositing with multi-window context sharing)

Determine a sensible way to integrate all those contribution in VTK.

TODO

Illustrations

Background and References