3D Acquisition Using Shadows

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Real-time implementation

• Performance:

30Hz, 320x240, Pentium II 300MHz

• Single shadow pass:

20 - 30 seconds (600-900 frames)

• Refined scanning: 1 - 2 minutes

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Real-time implementation • Performance: 30Hz, 320x240, Pentium II 300MHz • Single shadow pass: 20 - 30 seconds (600-900 frames) • Refined scanning: 1 - 2 minutes

Future work • Registration of multiple scans complete models • Extended light source model

Page 1 and 2: 3D Acquisition Using Shadows Jean-Y
Page 3 and 4: State of the art • Accurate •Bu
Page 5 and 6: Desk Lamp Camera Stick or pencil De
Page 7 and 8: The geometry Desk Lamp Camera S λ
Page 9 and 10: y Spatio-temporal processing x [Kan
Page 11 and 12: S Δ t s Lamp calibration S∈Δ O
Page 13 and 14: Angel experiment Accuracy: 0.1mm ov
Page 15 and 16: Textured objects
Page 17 and 18: Pot-pourri scan Accuracy: 0.5mm ove
Page 19: Accuracy: 1cm over 2m ~ 0.5% error

3D Acquisition Using Shadows

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