Photorealistic 3D reconstruction from handheld cameras |
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Authors: | Tomás Rodríguez Peter Sturm Pau Gargallo Nicolas Guilbert Anders Heyden Fernando Jauregizar J M Menéndez J I Ronda |
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Affiliation: | 1. Eptron SA. R&D Dpt., Madrid, Spain 2. INRIA Rh?ne-Alpes Montbonnot, France 3. Centre for Mathematical Science, Lund University, Sweden 4. E.T.S.I. Telecomunicaciones, Universidad Politécnica de Madrid, Spain
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Abstract: | One of the major challenges in the fields of computer vision and computer graphics is the construction and representation
of life-like virtual 3D scenarios within a computer. The VISIRE project attempts to reconstruct photo-realistic 3D models
of large scenarios using as input multiple freehand video sequences, while rendering the technology accessible to the non-expert.
VISIRE is application oriented and hence must deal with multiple issues of practical relevance that were commonly overlooked
in past experiences. The paper presents both an innovative approach for the integration of previously unrelated experiences,
as well as a number of novel contributions, such as: an innovative algorithm to enforce closedness of the trajectories, a
new approach to 3D mesh generation from sparse data, novel techniques dealing with partial occlusions and a method for using
photo-consistency and visibility constrains to refine the 3D mesh.
Tomas Rodriguez was born in Madrid in 1961. Bachelor in Physics and Master in Electronics by the Universidad Complutense de Madrid. He started
his career in the private R&D sector in 1987, when he specialized in computer vision and parallel processing systems. In the
early nineties he participated in the EVA project; one of the most outstanding traffic monitoring system of the time. For
more than 10 years, he has been involved in international research projects within the ambit of EUREKA, ESPRIT, V and VI Framework
programmes. During this time, he coordinated eight international projects (CAMELOT, CITRONE, ON-LIVE, SAID, VISIRE, EVENTS,
ITALES, HOLONICS) and acted as principal investigator in two additional ones (CITRUS and VICTORIA). Since the early days,
he had the opportunity to collaborate with some of the most prestigious research institutions in Europe: Franhoufer Inst.,
INRIA, CNRS, University of Oxford, University of Lund, DFKI, Siemens C-Lab, Philips Research Labs, etc. Evaluator of R&D projects
for the Spanish Ministry for Science and reviewer of international scientific journals, he is currently the R&D manager and
coordinator for European projects at Eptron SA. His recent interests include: computer vision, real time software, industrial
control, parallel processing, iTV, and mobile technologies, etc. |
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Keywords: | Photo-realistic 3D reconstruction Self calibration Structure from motion Image based rendering (IBR) Video analysis |
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