Camera Autocalibration and Horopter Curves

We describe a new algorithm for the obtainment of the affine and Euclidean calibration of a camera under general motion. The algorithm exploits the relationships of the horopter curves associated to each pair of cameras with the plane at infinity and the absolute conic. Using these properties we define cost functions whose minimization by means of general purpose techniques provides the required calibration. The experiments show the good convergence properties, computational efficiency and robust performance of the new techniques.

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