TY - CONF AU - I-Hsum Lee AU - Ming Lu AU - Chen-Chien Hsu AU - Shih-Shiun Lin BT - Advances in Autonomous Robotics. TAROS 2012. Lecture Notes in Computer Science CY - Berlin, Heidelberg LA - eng PB - Springer PP - Berlin, Heidelberg PY - 2012 T2 - Advances in Autonomous Robotics. TAROS 2012. Lecture Notes in Computer Science TI - Map Building of Unknown Environment Based on Fuzzy Sensor Fusion of Ultrasonic Ranging Data ER -