TY - CONF T1 - A Tool for Range Sensing and Environment Discovery for the Blind T2 - Proceedings of the IEEE Workshop on Real–Time 3D Sensor and Their Use Y1 - 2004 A1 - Yuan,D. A1 - Roberto Manduchi KW - laser cane JF - Proceedings of the IEEE Workshop on Real–Time 3D Sensor and Their Use CY - Washington, DC UR - http://users.soe.ucsc.edu/~manduchi/papers/DanPaperV3.pdf ER -