Abstract

We propose a minimal algorithm for fully calibrating a cam- era from 11 independent pairwise point correspondences with two other calibrated cameras. Unlike previous approaches, our method neither re- quires triple correspondences, nor prior knowledge about the viewed scene. This algorithm can be used to insert or re-calibrate a new cam- era into an existing network, without having to interrupt operation. Its main strength comes from the fact that it is often difficult to find triple correspondences in a camera network. This makes our algorithm, for the specified use cases, probably the most suited calibration solution that does not require a calibration target, and hence can be performed with- out human interaction.