activity
20242026
most citedEchoWrist: Continuous Hand Pose Tracking and Hand-Object Interaction Recognition Using Low-Power Active Acoustic Sensing On a Wristband

43 citations · 146 across the 15 of their papers we have counts for

collaborators

16 papers

cs.SD2026

Synthesizing Ultrasonic Echo Profiles from Text for Open-Vocabulary Silent Speech Recognition

Jiacheng Liu, Ruidong Zhang, François Guimbretière +1

Eyewear that senses articulation with inaudible ultrasound can now recognize silent speech over an open vocabulary, but its accuracy is limited by the cost of training data. We pre…

cs.SD2026

SoniSpeech: A Large-Scale Open-Vocabulary Tri-Modal Dataset for Wearable Silent Speech Interfaces

Ruidong Zhang, Jiacheng Liu, François Guimbretière +1

Wearable silent speech interfaces (SSIs) are limited to small, closed vocabularies. Approaches achieving larger vocabularies require obtrusive hardware such as facial electrodes. W…

cs.HC2025★ 1 cited

Grab-n-Go: On-the-Go Microgesture Recognition with Objects in Hand

Chi-Jung Lee, Jiaxin Li, Tianhong Catherine Yu +4

As computing devices become increasingly integrated into daily life, there is a growing need for intuitive, always-available interaction methods, even when users' hands are occupie…

cs.HC2025★ 10 cited

SpellRing: Recognizing Continuous Fingerspelling in American Sign Language using a Ring

Hyunchul Lim, Nam Anh Dang, Dylan Lee +8

Fingerspelling is a critical part of American Sign Language (ASL) recognition and has become an accessible optional text entry method for Deaf and Hard of Hearing (DHH) individuals…

cs.HC2024★ 2 cited

OriStitch: A Machine Embroidery Workflow to Turn Existing Fabrics into Self-Folding 3D Textiles

Zekun Chang, Yixuan Gao, Yuta Noma +11

OriStitch is a computational fabrication workflow to turn existing flat fabrics into self-folding 3D structures. Users turn fabrics into self-folding sheets by machine embroidering…

cs.HC2024

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…

cs.HC2024

SplatOverflow: Asynchronous Hardware Troubleshooting

Amritansh Kwatra, Tobias Weinberg, Ilan Mandel +4

As tools for designing and manufacturing hardware become more accessible, smaller producers can develop and distribute novel hardware. However, processes for supporting end-user ha…

cs.HC2024★ 1 cited

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…

cs.HC2024

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…

cs.HC2024★ 11 cited

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…

cs.HC2024★ 7 cited

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…

cs.HC2024★ 19 cited

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…

cs.HC2024

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…

cs.HC2024★ 26 cited

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…

cs.HC2024★ 26 cited

EyeEcho: Continuous and Low-power Facial Expression Tracking on Glasses

Ke Li, Ruidong Zhang, Siyuan Chen +4

In this paper, we introduce EyeEcho, a minimally-obtrusive acoustic sensing system designed to enable glasses to continuously monitor facial expressions. It utilizes two pairs of s…

cs.HC2024★ 43 cited

EchoWrist: Continuous Hand Pose Tracking and Hand-Object Interaction Recognition Using Low-Power Active Acoustic Sensing On a Wristband

Chi-Jung Lee, Ruidong Zhang, Devansh Agarwal +10

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