Sandro Esquivel Felix Woelk Reinhard Koch Calibration of a Multi-camera Rig from Non-overlapping Views. 82-91 2007 conf/dagm/2007 DAGM-Symposium http://dx.doi.org/10.1007/978-3-540-74936-3_9 db/conf/dagm/dagm2007.html#EsquivelWK07