%0 Conference Paper %B Proceedings of the IEEE Workshop on Real–Time 3D Sensor and Their Use %D 2004 %T A Tool for Range Sensing and Environment Discovery for the Blind %A Yuan,D. %A Roberto Manduchi %K laser cane %B Proceedings of the IEEE Workshop on Real–Time 3D Sensor and Their Use %C Washington, DC %U http://users.soe.ucsc.edu/~manduchi/papers/DanPaperV3.pdf