Pravein Govindan Kannan, Padmanabha Venkatagiri Seshadri, Mun Choon Chan, Akkihebbal L. Ananda, Li-Shiuan Peh. Low cost crowd counting using audio tones. In M. Rasit Eskicioglu, Andrew Campbell, Koen Langendoen, editors, The 10th ACM Conference on Embedded Network Sensor Systems, SenSys '12, Toronto, ON, Canada, November 6-9, 2012. pages 155-168, ACM, 2012. [doi]
Abstract is missing.