Lorenzo Scalise, Valter Mariani Primiani, Paola Russo, Desar Shahu, Valentina Di Mattia, Alfredo De Leo, Graziano Cerri. Experimental Investigation of Electromagnetic Obstacle Detection for Visually Impaired Users: A Comparison With Ultrasonic Sensing. IEEE T. Instrumentation and Measurement, 61(11):3047-3057, 2012. [doi]
Abstract is missing.