4 papers
ActSonic: Recognizing Everyday Activities from Inaudible Acoustic Wave Around the Body
Saif Mahmud, Vineet Parikh, Qikang Liang +7
We present ActSonic, an intelligent, low-power active acoustic sensing system integrated into eyeglasses that can recognize 27 different everyday activities (e.g., eating, drinking…
WristSonic: Enabling Fine-grained Hand-Face Interactions on Smartwatches Using Active Acoustic Sensing
Saif Mahmud, Kian Mahmoodi, Chi-Jung Lee +2
Hand-face interactions play a key role in many everyday tasks, providing insights into user habits, behaviors, intentions, and expressions. However, existing wearable sensing syste…
Ring-a-Pose: A Ring for Continuous Hand Pose Tracking
Tianhong Catherine Yu, Guilin Hu, Ruidong Zhang +9
We present Ring-a-Pose, a single untethered ring that tracks continuous 3D hand poses. Located in the center of the hand, the ring emits an inaudible acoustic signal that each hand…
SonicID: User Identification on Smart Glasses with Acoustic Sensing
Ke Li, Devansh Agarwal, Ruidong Zhang +6
Smart glasses have become more prevalent as they provide an increasing number of applications for users. They store various types of private information or can access it via connec…