@INPROCEEDINGS{KalKam:2004, author = {H. K{\"a}lvi{\"a}inen and J.-K. Kamarainen}, title = {Intelligent Information Processing: Machine Vision and Pattern Recognition Applications}, booktitle = {7th Int. Conf. on Pattern Recognition and Image Analysis: New Information Technologies}, year = {2004}, volume = {3}, pages = {713-719}, address = {St. Petersburg, Russia} }