Using Sonar for Liveness Detection to Protect Smart Speakers against Remote Attackers.
Yeonjoon LeeYue ZhaoJiutian ZengKwangwuk LeeNan ZhangFaysal Hossain ShezanYuan TianKai ChenXiaoFeng WangPublished in: Proc. ACM Interact. Mob. Wearable Ubiquitous Technol. (2020)