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20242026
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eess.SP2026

Smart membrane: high content in situ monitoring barrier on chip with artificial neural network

Bo Tang, Victor Krajka, Mengxi Liu +7

Conventional transepithelial electrical resistance (TEER) technique provides only a low-content analysis of cell-layer conditions, necessitating repeated microscopic assessments of…

eess.SP2026

Foundation Models Defining A New Era In Sensor-based Human Activity Recognition: A Survey And Outlook

Sizhen Bian, Mengxi Liu, Lala Shakti Swarup Ray +7

Sensor-based Human Activity Recognition (HAR) underpins many ubiquitous and wearable computing applications, yet current models remain limited by scarce labels, sensor heterogeneit…

eess.SP2026

Calibration-Free Induced Magnetic Field Indoor and Outdoor Positioning via Data-Driven Modeling

Qiushi Guo, Matthias Tschoepe, Mengxi Liu +2

Induced magnetic field (IMF)-based localization offers a robust alternative to wave-based positioning technologies due to its resilience to non-line-of-sight conditions, environmen…

eess.SP2025

Passive Body-Area Electrostatic Field (Human Body Capacitance) for Ubiquitous Computing

Sizhen Bian, Mengxi Liu, Paul Lukowicz

Passive body-area electrostatic field sensing, also referred to as human body capacitance (HBC), is an energy-efficient and non-intrusive sensing modality that exploits the human b…

eess.SP2025

Assessing the Impact of Sampling Irregularity in Time Series Data: Human Activity Recognition As A Case Study

Mengxi Liu, Daniel Geißler, Sizhen Bian +2

Human activity recognition (HAR) ideally relies on data from wearable or environment-instrumented sensors sampled at regular intervals, enabling standard neural network models opti…

eess.SP2024

CoSS: Co-optimizing Sensor and Sampling Rate for Data-Efficient AI in Human Activity Recognition

Mengxi Liu, Zimin Zhao, Daniel Geißler +3

Recent advancements in Artificial Neural Networks have significantly improved human activity recognition using multiple time-series sensors. While employing numerous sensors with h…