Andreetto, M. and Savarese, S. and Perona, P. (2007) Carving from Ray-Tracing Constraints: IRT-Carving. In: Proceedings, 3rd International Symposium on 3D Data Processing, Visualization, and Transmission. IEEE , Piscataway, NJ, pp. 49-56. ISBN 978-0-7695-2825-0 . http://resolver.caltech.edu/CaltechAUTHORS:20100819-112709677
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Abstract
We present a new algorithm for improving an available (conservative) estimate of the shape of an object using constraints from ray-tracing. In particular, we exploit incoherences between the lit portions of the object - detected on a set of acquired images - and the shadows that the current estimate casts on itself. Whenever a contradiction is found the current estimate is modified in order to remove the inconsistency. Sufficient conditions for the correctness of the algorithm and a discussion of their validity are provided. Finally, we describe a simple implementation of the method and present some preliminary experimental results from computer simulations.
| Item Type: | Book Section | |||||||||
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| Additional Information: | © 2006 IEEE. | |||||||||
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| Record Number: | CaltechAUTHORS:20100819-112709677 | |||||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:20100819-112709677 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 19516 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 19 Aug 2010 23:45 | |||||||||
| Last Modified: | 08 May 2017 21:27 |
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