2010 NAMIC Project week: Volume Rendering for Virtual Colonoscopy

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Key Investigators

  • MGH: Yin Wu
  • MGH: June-Goo Lee
  • MGH: Hiro Yoshida
  • BWH/Isomic: Steve Pieper
  • BWH: Ron Kikinis

Objective

Pursure volume rendering that is suitable for real-time and interactive virtual colonoscopy display.

The objective of this project is to:

  • Examine internal volume rendering (open source) availabel in Slicer
  • Provide external volume rendering (closed source) for virtual colonoscopy
  • Compare the performance of these volume rendering routines.
  • Compare the advantages and disadbantages of these volume rendering routines

Approach, Plan

Several virtual colonoscopy datasets will be rendered by use of the below volume rendering routines.

  • VTK GPU Raycasting in slicer 3.6 (GLSL)
  • Microsoft research (MSR) volume rendering (CUDA, closed source)

Their performance will be compared based on various metrics.

Progress

The two volume rendering routines are installed on a single computer (single CUDA-based GPU) for rendering the virtual colonoscopy datasets as well as for performance comparison purposes.

Delivery Mechanism

A table that shows a comparison of the above two rendering engines in terms of

  • rendering performance and
  • advantages and disadvantages in rendering virtual colonoscopy datasets in clinical settings

will be delivered.

References