Shree K. Nayar Gurunandan Krishnan Michael D. Grossberg Ramesh Raskar Visual Chatter in the Real World. 13-24 2007 ISRR https://doi.org/10.1007/978-3-642-14743-2_2 conf/isrr/2007 db/conf/isrr/isrr2007.html#NayarKGR07