4 papers
ThinkTrap: Denial-of-Service Attacks against Black-box LLM Services via Infinite Thinking
Yunzhe Li, Jianan Wang, Hongzi Zhu +3
Large Language Models (LLMs) have become foundational components in a wide range of applications, including natural language understanding and generation, embodied intelligence, an…
BlinkBud: Detecting Hazards from Behind via Sampled Monocular 3D Detection on a Single Earbud
Yunzhe Li, Jiajun Yan, Yuzhou Wei +7
Failing to be aware of speeding vehicles approaching from behind poses a huge threat to the road safety of pedestrians and cyclists. In this paper, we propose BlinkBud, which utili…
Saga: Capturing Multi-granularity Semantics from Massive Unlabelled IMU Data for User Perception
Yunzhe Li, Facheng Hu, Hongzi Zhu +4
Inertial measurement units (IMUs), have been prevalently used in a wide range of mobile perception applications such as activity recognition and user authentication, where a large…
Prism: Mining Task-aware Domains in Non-i.i.d. IMU Data for Flexible User Perception
Yunzhe Li, Facheng Hu, Hongzi Zhu +5
A wide range of user perception applications leverage inertial measurement unit (IMU) data for online prediction. However, restricted by the non-i.i.d. nature of IMU data collected…