https://dl.acm.org/citation.cfm?id=3314390
M Chen, P Yang, J Xiong, M Zhang, Y Lee, C Xiang… - Proceedings of the ACM on …, 2019
This paper explores the possibility of extending the input and interactions beyond the small screen of the mobile device onto ad hoc adjacent surfaces, eg, a wooden tabletop with acoustic signals. While the existing finger tracking approaches employ …