Acoustic Sensing

ReHEarSSE: Recognizing Hidden-in-the-Ear Silently Spelled Expressions

Silent speech interaction (SSI) allows users to discreetly input text without using their hands. Existing wearable SSI systems typically require custom devices and are limited to a small lexicon, limiting their utility to a small set of command …

Enabling Voice-Accompanying Hand-to-Face Gesture Recognition with Cross-Device Sensing

RelecTrack was accepted by UIST 2021

ReflecTrack: Enabling 3D Acoustic Position Tracking Using Commodity Dual-Microphone Smartphones was accpted by UIST 2021. I am the corresponding author of this paper.