Soumyajit Deb Ankit Gupta Visibility Cuts: A System for Rendering Dynamic Virtual Environments. 47-54 2008 ICVGIP http://dx.doi.org/10.1109/ICVGIP.2008.104 conf/icvgip/2008 db/conf/icvgip/icvgip2008.html#DebG08