Jean-Marc Lavest Marc Viala Michel Dhome Do We Really Need an Accurate Calibration Pattern to Achieve a Reliable Camera Calibration? 158-174 http://link.springer.de/link/service/series/0558/bibs/1406/14060158.htm 1998 conf/eccv/1998-1 ECCV (1) db/conf/eccv/eccv1998-1.html#LavestVD98