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Yearly Archives: Saturday December 1st, 2007
Reconstruction of the surface of the Sun from stereoscopic images
Abstract This thesis concentrates on the stereoscopic reconstruction of environments containing transparent objects. The data used to test the algorithms is graciously provided by NASA through the STEREO mission. This thesis proposes a new spherical rectification technique as well as … Continue reading
Reconstruction par Stéréo Photométrique
Posted in Jamil Draréni, prédoc
Tagged méthodes photométriques, modélisation 3D, stéréo
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(English) Plane-based Self-calibration of Radial Distortion
Abstract We present an algorithm for plane-based self-calibration of cameras with radially symmetric distortions given a set of sparse feature matches in at least two views. The projection function of such cameras can be seen as a projection with a … Continue reading
Posted in ICCV, Jean-Philippe Tardif, Peter Sturm, Sébastien Roy
Tagged calibration, fisheye
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Two-frame frequency-based estimation of local motion parallax direction in 3D cluttered scenes
V. Couture, M.S. Langer, A. Caine, R. Mann. Two-frame frequency-based estimation of local motion parallax direction in 3D cluttered scenes, 6th International Conference on 3-D Digital Imaging and Modeling, Montreal (Canada), August 2007, pp 357-364. Abstract When an observer moves … Continue reading
Posted in 3DIM, Publications, Vincent Couture
Tagged flux optique, mouvement, neige optique, scènes complexes
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(English) A Simple Oriented Mean-Shift Algorithm For Tracking
Posted in ICIAR, Jamil Draréni, Sébastien Roy
Tagged histogrammes, mean-shift, tracking
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Can Lucas-Kanade be used to estimate motion parallax in cluttered 3D scenes?
V. Couture and M.S. Langer. Can Lucas-Kanade be used to estimate motion parallax in cluttered 3D scenes?, 4th Canadian Conference on Computer and Robot Vision, Montreal (Canada), May 2007. Abstract When an observer moves in a 3D static scene, the … Continue reading
Posted in CRV, Publications, Vincent Couture
Tagged flux optique, mouvement, neige optique, scènes complexes
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Non-uniform Hierarchical Geo-consistency for Multi-baseline Stereo
Abstract We propose a new and flexible hierarchical multi-baseline stereo algorithm that features a non-uniform spatial decomposition of the disparity map. The visibility computation and refinement of the disparity map are integrated into a single iterative framework that does not … Continue reading
Posted in CRV, Marc-Antoine Drouin, Martin Trudeau, Sébastien Roy
Tagged discontinuités de profondeur, multi-caméra, pyramides, stéréo
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