Marko Bukovec Ziga Spiclin Franjo Pernus Bostjan Likar Geometrical and Statistical Visual Inspection of Imprinted Tablets. 412-415 2007 MVA http://b2.cvl.iis.u-tokyo.ac.jp/mva/proceedings/2007CD/papers/11-04.pdf conf/mva/2007 db/conf/mva/mva2007.html#BukovecSPL07