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  1. Navigation, Visualization and Searching in Databases of Full Body 3D ScansMarc Rioux, Eric Paquet, and Zouhour BenazouzVisual Information Technology, Institute for Information TechnologyNational Research Council, M-50 Montreal, Ottawa, Ontario, CanadaScientific Data and Knowledge within the Information Society 24 October 2006, Beijing

  2. Presentation • Introduction: - Description of the visual interface - CAESAR information content • Navigation • Visualization • Search • Human Shape Variability Study (PCA) • Summary

  3. The Visual Interface of Cleopatra

  4. Shapes of CAESAR

  5. Traditional Anthropometry Data

  6. Data on Demographics

  7. Visual Navigation Step 1: Random Search Step 2: Initial Visual Selection Step 3: Iterative Visual Navigation

  8. Visual NavigationStep1: Random Search

  9. Visual NavigationStep 2: Visual Selection + Search

  10. Visual NavigationStep 3: Iterative Navigation: i2, i3, i4……

  11. Visual NavigationFinal Step (5 iterations)

  12. Visual NavigationExample #1: Slim (Final Step)

  13. Visual NavigationExample #2: Heavy (Final Step)

  14. Visualization • Integrated 3D Viewer • Real-time 3D-Texture examination • Real-time Rendering

  15. VisualizationClick on any icon to open a 3D viewerRotation, Translation, Zoom

  16. VisualizationRendering

  17. Similarity Search • Shape • Shape, Size and Texture • Shape-Based, Filtered (Text and/or Data)

  18. Similarity SearchShape-Based

  19. Similarity SearchShape-Based, Filtered

  20. PCA on body shape • Components of variability of the human shapes • Much work remains for component interpretation • Two components shown here

  21. PCAFirst Component

  22. PCAFifth Component

  23. Summary • Integrated text and shape search engine • Search of similar body shapes, which can be filtered by demographic and/or traditional anthropometric data • The search engine can also manage 3D CAD files and human models • Graphical icons and visual interface similar to a web search engine • 3D visualization using a web navigator and a VRML viewer plug-in • Export capability of search results to analysis software

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