Cell Image Analysis Tools

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Development of a 3D Stomach Model for Surgical
Planning
Qaiser Chaudry, Todd H. Stokes, Richard Moffitt,
Syed H. Raza, Jorge v. Rogel, Jin Young Hong,
Gabriel Wardi, Michelle Lightfoot, Mark Wulkan
MD, Yan Xu and May D. Wang
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Introduction

• Infant/baby Gastro-esophageal reflux disease
  (GERD)
• CTscans low resolution, disconnected 2D
  information

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Introduction

• Visible Human Project
• 4096 x 2700 pixels images (0.33mm pixel
  resolution)
• 1mm axial spacing
• 1871 high resolution images.

http//www.madsci.org/lynn/VH/transverse.html
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Introduction
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Sequence of Presentation

• Introduction
• Development of VH stomach model
• Development of CT based stomach model
• Model registration and issues
• Local registration / morphing
• Results
• Conclusion

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Development of VH stomach model
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Segmentation
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VTK workflow for creation and interactivity with
stomach model
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3D Model and its refinement
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3D Model and its refinement
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Segmented Infant Stomach
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Infant stomach
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Registration
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Point and Shoot method for points pickup
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Issues with Rigid Registration
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Multiple Object registeration
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Local registration with surface normal based
morphing
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Different cases



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Comparison
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Flash back
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Virtual surgery and planning
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