4 papers
Revisiting-Aware In-Orbit Edge Computing for Earth Observation
Zehua Sun, Tao Ni, Kaiyan Cui +2
Typically, Earth observation satellites follow a rule of revisiting cycle to periodically pass over the same area of the Earth at regular intervals, which is jointly determined by…
When VR Meets BCI: (Un)Observable Brainwave-aware Privacy Reconstruction in the Metaverse via Unrestricted Inbuilt Motion Sensors
Tao Ni, Zehua Sun, Qingchuan Zhao +2
Metaverse devices, such as virtual reality (VR), have seen substantial development and widespread applications in numerous areas. Although recent studies have revealed privacy leak…
RAGent: Physics-Aware Agentic Reasoning for Training-Free mmWave Human Activity Recognition
Mingda Han, Huanqi Yang, Zehua Sun +6
Millimeter-wave (mmWave) radar enables privacy-preserving human activity recognition (HAR), yet real-world deployment remains hindered by costly annotation and poor transferability…
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…