Our hands serve as a fundamental means of interaction with the world around us. Therefore,
understanding hand poses and interaction contexts is critical for human-computer …

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 …

In this paper, we introduce ActSonic, an intelligent, low-power active acoustic sensing
system integrated into eyeglasses. ActSonic is designed to recognize 27 different everyday …

The smart glasses market has witnessed significant growth in recent years. The interaction
of commercial smart glasses mostly relies on the hand, which is unsuitable for scenarios …

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 …

We introduce MunchSonic, an AI-powered active acoustic sensing system integrated into
eyeglasses to track fine-grained dietary actions. MunchSonic emits inaudible ultrasonic …

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 …

Prior research on emotion recognition in extended reality (XR) has faced challenges due to
the occlusion of facial expressions by Head-Mounted Displays (HMDs). This limitation …