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PROGETTO MOSE: studio delle onde di mare nello spazio e nel tempo nella laguna di Venezia via stereografia otti

PROGETTO MOSE: studio delle onde di mare nello spazio e nel tempo nella laguna di Venezia via stereografia ottica. Francesco Fedele School of Civil & Environmental Engineering Georgia Institute of Technology Alvise Benetazzo Protecno S.r.l ., Padua, ITALY Alessio Boscolo

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PROGETTO MOSE: studio delle onde di mare nello spazio e nel tempo nella laguna di Venezia via stereografia otti

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  1. PROGETTO MOSE: studio delleondedi mare nellospazio e nel tempo nellalagunadiVenezia via stereografiaottica Francesco Fedele School of Civil & Environmental Engineering Georgia Institute of Technology AlviseBenetazzo ProtecnoS.r.l., Padua, ITALY AlessioBoscolo Phoenix S.r.l. Padua, ITALY

  2. 4. WAVE ACQUISITION and ANALYSIS STEREO SYSTEM (WASS) SeaWaves package • Auto Calibration software • Image acquisition softwareBi/Trinocular Synchronized digital cameras • Image processing software • (Epipolar /Variational Stereo method)

  3. Progetto MOSE: analisinellospazio e nel tempo delleondedi mare nellalagunadiVenezia via tecnique video stereografiche MOSE mobile flood barriers for the defence of Venice Analysis of wave 2D pattern  water level and hydrodynamic forces Venice harbour Authority Analysis of ship generated waves on Venice hystorical buildings

  4. 9. Water surface elevation in time: example • Z0 ~ 1.70 m, b = 0.22 m • Matched Area : 0.94 x 0.78 m2 • erx = ery= 0.15 cm, erz = 0.69 cm • 90 % of points matched • 480 x 640 pixel camera • F = 6.3 mm, ss=1/200 s Time evolution (from 2D image sequences to 3D map sequence)

  5. 10. VARIATIONAL WAVE ACQUISITION STEREO SYSTEM (VWASS) Input stereo pair images. The rectangular domain (8 m x 8.7 m). The height of the waves is in the range ±0.3 m Y Y Reconstructed wave surface

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