26 citations · 64 across the 8 of their papers we have counts for
8 papers
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…
EchoGuide: Active Acoustic Guidance for LLM-Based Eating Event Analysis from Egocentric Videos
Vineet Parikh, Saif Mahmud, Devansh Agarwal +3
Self-recording eating behaviors is a step towards a healthy lifestyle recommended by many health professionals. However, the current practice of manually recording eating activitie…
SeamPose: Repurposing Seams as Capacitive Sensors in a Shirt for Upper-Body Pose Tracking
Tianhong Catherine Yu, Manru Mary Zhang, Peter He +6
Seams are areas of overlapping fabric formed by stitching two or more pieces of fabric together in the cut-and-sew apparel manufacturing process. In SeamPose, we repurposed seams a…
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…
MunchSonic: Tracking Fine-grained Dietary Actions through Active Acoustic Sensing on Eyeglasses
Saif Mahmud, Devansh Agarwal, Ashwin Ajit +4
We introduce MunchSonic, an AI-powered active acoustic sensing system integrated into eyeglasses to track fine-grained dietary actions. MunchSonic emits inaudible ultrasonic waves…
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…
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…
GazeTrak: Exploring Acoustic-based Eye Tracking on a Glass Frame
Ke Li, Ruidong Zhang, Boao Chen +6
In this paper, we present GazeTrak, the first acoustic-based eye tracking system on glasses. Our system only needs one speaker and four microphones attached to each side of the gla…