collaborators

5 papers

cs.AI2026

ProAgent: Harnessing On-Demand Sensory Contexts for Proactive LLM Agent Systems in the Wild

Bufang Yang, Lilin Xu, Liekang Zeng +8

Recent studies have begun to explore proactive large language model (LLM) agents that provide unobtrusive assistance by automatically leveraging contextual information, such as in…

cs.AI2026

ProAssist: Continuous Step-aware Proactive Assistance with Multi-modal Egocentric Perception for Long-horizon Procedural Tasks

Lilin Xu, Bufang Yang, Siyang Jiang +6

Procedural tasks with multiple ordered steps are ubiquitous in daily life. Recent advances in multimodal large language models (MLLMs) have enabled personal assistants that support…

cs.CV2025

A Large-Scale Multimodal Dataset and Benchmarks for Human Activity Scene Understanding and Reasoning

Siyang Jiang, Mu Yuan, Xiang Ji +12

Multimodal human action recognition (HAR) leverages complementary sensors for activity classification. Beyond recognition, recent advances in large language models (LLMs) enable de…

cs.AI2025

ContextAgent: Context-Aware Proactive LLM Agents with Open-World Sensory Perceptions

Bufang Yang, Lilin Xu, Liekang Zeng +7

Recent advances in Large Language Models (LLMs) have propelled intelligent agents from reactive responses to proactive support. While promising, existing proactive agents either re…

cs.CV2025

An LLM-Empowered Low-Resolution Vision System for On-Device Human Behavior Understanding

Siyang Jiang, Bufang Yang, Lilin Xu +8

The rapid advancements in Large Vision Language Models (LVLMs) offer the potential to surpass conventional labeling by generating richer, more detailed descriptions of on-device hu…