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Ronda Prieto, José Ignacio ; Valdés Morales, Antonio ; Gallego Bonet, Guillermo | 2005-08-02We present new algorithms for the recovery of the Euclidean structure from a projective calibration of a set of cameras of known pixel shape but otherwise arbitrarily varying intrinsic and extrinsic parameters. The algorithms have a geometrical [...]texto impreso
We address the problem of the Euclidean upgrading of a projective calibration of a minimal set of cameras with known pixel shape and otherwise arbitrarily varying intrinsic and extrinsic parameters. To this purpose, we introduce as our basic geo[...]texto impreso
We present new results on the Absolute Line Quadric (ALQ), the geometric object representing the set of lines that intersect the absolute conic. We include new techniques for the obtainment of the Euclidean structure that lead to an efficient al[...]texto impreso
Ronda Prieto, José Ignacio ; Valdés Morales, Antonio ; Gallego Bonet, Guillermo | Springer | 2008-10We provide a completely new rigorous matrix formulation of the absolute quadratic complex (AQC), given by the set of lines intersecting the absolute conic. The new results include closed-form expressions for the camera intrinsic parameters in te[...]texto impreso
Gallego Bonet, Guillermo ; Ronda Prieto, José Ignacio ; Valdés Morales, Antonio ; García, Narciso | IEEE | 2007Given a projective reconstruction of a 3D scene, we address the problem of recovering the Euclidean structure of the scene in a recursive way. This leads to the application of Kalman filtering to the problem of camera autocalibration and to new [...]texto impreso
Valdés Morales, Antonio ; Ronda Prieto, José Ignacio ; Gallego Bonet, Guillermo | 2004-04-04We introduce a geometrical object providing the same information as the absolute conic: the absolute line quadric (ALQ). After the introduction of the necessary exterior algebra and Grassmannian geometry tools, we analyze the Grassmannian of lin[...]
