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Building a 3D Scanner at KMH

Building a 3D Scanner at KMH. 2001.A Low Cost 3D Scanner Based on Structured Light.ROCCH. 2001.Dense 3-D Surface Acquisition by Structured Light Using Off-the-Shelf Components.GUH. 2003.High-Resolution Structured Light Range Scanner with Automated Calibration.BRON. Processes. Calibration

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Building a 3D Scanner at KMH

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  1. Building a 3D Scanner at KMH

  2. 2001.A Low Cost 3D Scanner Based on Structured Light.ROCCH

  3. 2001.Dense 3-D Surface Acquisition by Structured Light Using Off-the-Shelf Components.GUH

  4. 2003.High-Resolution Structured Light Range Scanner with Automated Calibration.BRON

  5. Processes • Calibration • Tsai’s method, with planar object • To calibrate the projector we need to know what it sees (backward projection) • Correspondence Analysis • Find camera-projector pixel-wise mapping • By Applying pattern codification methods • Triangulation • Mesh Conversion • Convert depth map to triangles • Registration • Combine meshes from different views

  6. Components • Canon EOS 1000D • Very high resolution, up to 3888 x 2592 • Need to have it controlled by program • SDK acquired • Projector • Effective resolution: 1024 x 768 • Tripods • For flexibility in hardware configuration • PC or Laptop • Fast enough to process shots in real-time • Background boards/wall/curtain • Turntable

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