A Systematic Review of Human Activity Recognition Based On Mobile Devices: Overview, Progress and Trends

Y Yin, L Xie, Z Jiang, F Xiao, J Cao… - … Surveys & Tutorials, 2024 - ieeexplore.ieee.org
Due to the ever-growing powers in sensing, computing, communicating and storing, mobile
devices (eg, smartphone, smartwatch, smart glasses) become ubiquitous and an …

Sensecollect: We need efficient ways to collect on-body sensor-based human activity data!

W Chen, S Lin, E Thompson, J Stankovic - Proceedings of the ACM on …, 2021 - dl.acm.org
On-body sensor-based human activity recognition (HAR) lags behind other fields because it
lacks large-scale, labeled datasets; this shortfall impedes progress in developing robust and …

CAvatar: Real-time Human Activity Mesh Reconstruction via Tactile Carpets

W Chen, Y Hu, W Song, Y Liu, A Torralba… - Proceedings of the ACM …, 2024 - dl.acm.org
Human mesh reconstruction is essential for various applications, including virtual reality,
motion capture, sports performance analysis, and healthcare monitoring. In healthcare …

Robust Finger Interactions with COTS Smartwatches via Unsupervised Siamese Adaptation

W Chen, Z Wang, P Quan, Z Peng, S Lin… - Proceedings of the 36th …, 2023 - dl.acm.org
Wearable devices like smartwatches and smart wristbands have gained substantial
popularity in recent years. However, their small interfaces create inconvenience and limit …

ViFin: Harness passive vibration to continuous micro finger writing with a commodity smartwatch

W Chen, L Chen, M Ma, FS Parizi, S Patel… - Proceedings of the …, 2021 - dl.acm.org
Wearable devices, such as smartwatches and head-mounted devices (HMD), demand new
input devices for a natural, subtle, and easy-to-use way to input commands and text. In this …

Sensor2Text: Enabling Natural Language Interactions for Daily Activity Tracking Using Wearable Sensors

W Chen, J Cheng, L Wang, W Zhao… - Proceedings of the ACM …, 2024 - dl.acm.org
Visual Question-Answering, a technology that generates textual responses from an image
and natural language question, has progressed significantly. Notably, it can aid in tracking …

ViObject: Harness Passive Vibrations for Daily Object Recognition with Commodity Smartwatches

W Chen, S Lin, Z Peng, FS Parizi, S Heo… - Proceedings of the …, 2024 - dl.acm.org
Knowing the object grabbed by a hand can offer essential contextual information for
interaction between the human and the physical world. This paper presents a novel system …

TBAuth: A continuous authentication framework based on tap behavior for smartphones

Y Chen, G Liu, L Yu, H Kang, L Meng… - Expert Systems with …, 2025 - Elsevier
With the widespread adoption of smartphones, the security risks associated by the single
authentication scheme have become increasingly serious. This prompts researchers to shift …

RF-Keypad: A Battery-Free Keypad Based on COTS RFID Tag Array

Y Zhang, Z Zhan, W Jin, Y Li… - IEEE Internet of Things …, 2023 - ieeexplore.ieee.org
With the explosive increase in the Internet of Things (IoT) devices, there is a rising demand
for seamless and intuitive interactions between users and smart devices. Existing solutions …

ViWatch: harness vibrations for finger interactions with commodity smartwatches

W Chen, J Stankovic - Proceedings of the 13th ACM Wireless of the …, 2022 - dl.acm.org
Wearable devices like smartwatches and smart wristbands have gained substantial
popularity in recent years. While enabling a variety of computing applications, such devices …