Fitting subdivision surface models to noisy and incomplete 3-D data
MIRAGE'07 Proceedings of the 3rd international conference on Computer vision/computer graphics collaboration techniques
Robust correspondenceless 3-d iris location for immersive environments
ICIAP'05 Proceedings of the 13th international conference on Image Analysis and Processing
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We propose an algorithm creating consistent, dense disparity maps from incomplete disparity data generated by a conventional stereo system used in a wide-baseline configuration. The reference application is IBR-oriented immersive videoconferencing, in which disparities are used by a view synthesis module to create instantaneous views of remote speakers consistent with the local speaker's viewpoint.We perform spline-based disparity interpolation within non-overlapping regions.Regions are defined by discontinuity boundaries identified in the incomplete disparity map.We demonstrate very good results on significantly incomplete disparity data computed by a conventional correlation-based stereo algorithm on real wide-baseline stereo pair acquired by an immersive videoconferencing system.