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Título: | Contour-based 3d motion recovery while zooming |
Autor: | Martínez Marroquín, Elisa; Torras, Carme CSIC ORCID | Palabras clave: | 3d motion recovery Egomotion Visual odometry Autocalibration Time-varying internal parameters Active contours Planar constraints |
Fecha de publicación: | 2003 | Editor: | Elsevier | Citación: | Robotics and Autonomous Systems 44(3): 219-227 (2003) | Resumen: | This paper considers the problem of 3D motion recovery from a sequence of monocular images while zooming. Unlike the common trend based on point matches, the proposed method relies on the deformation of an active contour fitted to a reference object. We derive the relation between the contour deformation and the 3D motion components, assuming time-varying focal length and principal point. This relation allows us to present a method to extract the rotation matrix and the scaled translation along the optical axis. | Versión del editor: | http://dx.doi.org/10.1016/S0921-8890(03)00072-1 | URI: | http://hdl.handle.net/10261/30535 | DOI: | 10.1016/S0921-8890(03)00072-1 | ISSN: | 0921-8890 |
Aparece en las colecciones: | (IRII) Artículos |
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