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A Theft-Based Approach to 3D Object Acquisition

A Theft-Based Approach to 3D Object Acquisition. Ronit Slyper Jim McCann. Outline. Previous Work Our Method Results Future Work. Previous Work. Commercial Contact Scanners Non-contact Scanners. Coordinate Measuring Machine. Laser Range Finder. Previous Work (continued).

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A Theft-Based Approach to 3D Object Acquisition

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  1. A Theft-Based Approach to 3D Object Acquisition Ronit Slyper Jim McCann

  2. Outline • Previous Work • Our Method • Results • Future Work

  3. Previous Work • Commercial • Contact Scanners • Non-contact Scanners Coordinate Measuring Machine Laser Range Finder

  4. Previous Work (continued) • Real-Time 3D Model Acquisition (Rusinkiewicz, Hall-Holt, Levoy) • Structured-light rangefinder, iterative closed-points for alignment, point-based merging and rendering algorithms • 60 Hz

  5. Weaknesses of Previous Work • Inexact • Range / accuracy tradeoff for laser rangefinders • Finite accuracy • Computer-intensive • Point alignment, triangulation • Stationary objects

  6. Our Method • We propose a theft-based object acquisition system • Exact surface and material acquired • No expensive hardware • Data-set may be viewed in real-time with no expensive precomputation • For many objects, acquisition is of low time & space complexity (i.e., trivial)

  7. Methods • The exact theft-based method we used is based on a heuristic we call “casing”. • Grab-and-Run • Yoink • Advanced techniques • Bribery, subterfuge, etc (see paper) • Under development: The Siggraph Blackmail

  8. Results • Stanford bunny model acquisition

  9. Future Work • Additional theft-based methods • Ninjas, pirates, grad students • Punishment and arrest alleviation • Cache-based approach

  10. Any Questions?

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