Suthep Madarasmi Daniel Kersten Ting-Chuen Pong The Computation of Stereo Disparity for Transparent and for Opaque Surfaces. 385-392 http://nips.djvuzone.org/djvu/nips05/0385.djvu 1992 conf/nips/1992 NIPS db/conf/nips/nips1992.html#MadarasmiKP92