activity
20182026
most citedSimultaneous Energy Harvesting and Gait Recognition using Piezoelectric Energy Harvester

6 citations · 15 across the 8 of their papers we have counts for

collaborators

8 papers

cs.CV2026

How Much Does It Cost to Answer My Question? Benchmarking Cloud VLM-based VQA Systems

Henri Vanhuynegem, Weitao Xu, Yiran Shen +1

Vision-language models (VLMs) are becoming a practical backend for mobile visual question answering (VQA) systems, enabling smartphones and smart glasses to answer users' questions…

cs.NI2024

Towards Battery-Free Wireless Sensing via Radio-Frequency Energy Harvesting

Tao Ni, Zehua Sun, Mingda Han +5

Diverse Wi-Fi-based wireless applications have been proposed, ranging from daily activity recognition to vital sign monitoring. Despite their remarkable sensing accuracy, the high…

cs.AI2024

Leveraging Foundation Models for Zero-Shot IoT Sensing

Dinghao Xue, Xiaoran Fan, Tao Chen +2

Deep learning models are increasingly deployed on edge Internet of Things (IoT) devices. However, these models typically operate under supervised conditions and fail to recognize u…

cs.CV2022★ 1 cited

FreeGaze: Resource-efficient Gaze Estimation via Frequency Domain Contrastive Learning

Lingyu Du, Guohao Lan

Gaze estimation is of great importance to many scientific fields and daily applications, ranging from fundamental research in cognitive psychology to attention-aware mobile systems…

eess.SP2020★ 6 cited

Simultaneous Energy Harvesting and Gait Recognition using Piezoelectric Energy Harvester

Dong Ma, Guohao Lan, Weitao Xu +2

Piezoelectric energy harvester, which generates electricity from stress or vibrations, is gaining increasing attention as a viable solution to extend battery life in wearables. Rec…

cs.HC2018★ 3 cited

SolarGest: Ubiquitous and Battery-free Gesture Recognition using Solar Cells

Dong Ma, Guohao Lan, Mahbub Hassan +4

We design a system, SolarGest, which can recognize hand gestures near a solar-powered device by analyzing the patterns of the photocurrent. SolarGest is based on the observation th…

cs.HC2018★ 2 cited

EnTrans:Leveraging Kinetic Energy Harvesting Signal for Transportation Mode Detection

Guohao Lan, Weitao Xu, Dong Ma +3

Monitoring the daily transportation modes of an individual provides useful information in many application domains, such as urban design, real-time journey recommendation, as well…

cs.HC2018★ 3 cited

Capacitor Based Activity Sensing for Kinetic Powered Wearable IoTs

Guohao Lan, Dong Ma, Weitao Xu +2

We propose a novel use of the conventional energy storage component, i.e., capacitor, in kinetic-powered wearable IoTs as a sensor to detect human activities. Since different activ…