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A real-time coarse-to-fine multiview capture system for all-in-focus rendering on a light-field display

Fabio Marton, Enrico Gobbetti, Fabio Bettio, Jose Antonio Iglesias Guitian, Ruggero Pintus
CRS4 Visual Computing Group, Italy
3DTV Conference: The True Vision – Capture, Transmission and Display of 3D Video (3DTV-CON), 2011

@article{martonreal,

   title={A REAL-TIME COARSE-TO-FINE MULTIVIEW CAPTURE SYSTEM FOR ALL-IN-FOCUS RENDERING ON A LIGHT-FIELD DISPLAY},

   author={Marton, F. and Gobbetti, E. and Bettio, F. and Guiti{‘a}n, J.A.I. and Pintus, R.},

   booktitle={3DTV Conference: The True Vision – Capture, Transmission and Display of 3D Video (3DTV-CON)},

   year={2011}

}

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We present an end-to-end system capable of real-time capturing and displaying with full horizontal parallax high-quality 3D video contents on a cluster-driven multiprojector light-field display. The capture component is an array of low-cost USB cameras connected to a single PC. RawM-JPEG data coming fromthe software-synchronized cameras are multicast over Gigabit Ethernet to the back-end nodes of the rendering cluster, where they are decompressed and rendered. For all-in-focus rendering, view-dependent depth is estimated on the GPU using a customized multiview space-sweeping approach based on fast Census-based area matching implemented in CUDA. Realtime performance is demonstrated on a system with 18 VGA cameras and 72 SVGA rendering projectors.
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