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Spatio-temporal fusion of multiple view video rate 3D surfaces

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2 Author(s)
G. Collins ; Centre for Speech Vision & Signal Process., Surrey Univ., UK ; A. Hilton

We consider the problem of geometric integration and representation of multiple views of non-rigidly deforming 3D surface geometry captured at video rate. Instead of treating each frame as a separate mesh we present a representation which takes into consideration temporal and spatial coherence in the data where possible. We first segment gross base transformations using correspondence based on a closest point metric and represent these motions as piecewise rigid transformations. The remaining residual is encoded as displacement maps at each frame giving a displacement video. At both these stages occlusions and missing data are interpolated to give a representation which is continuous in space and time. We demonstrate the integration of multiple views for four different non-rigidly deforming scenes: hand, face, cloth and a composite scene. The approach achieves the integration of multiple-view data at different times into one representation which can processed and edited.

Published in:

Fifth International Conference on 3-D Digital Imaging and Modeling (3DIM'05)

Date of Conference:

13-16 June 2005