activity
20232026
most citedSoar: Design and Deployment of A Smart Roadside Infrastructure System for Autonomous Driving

3 citations · 11 across the 15 of their papers we have counts for

collaborators

16 papers

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.CL2026

SensorPersona: An LLM-Empowered System for Continual Persona Extraction from Longitudinal Mobile Sensor Streams

Bufang Yang, Lilin Xu, Yixuan Li +3

Personalization is essential for Large Language Model (LLM)-based agents to adapt to users' preferences and improve response quality and task performance. However, most existing ap…

cs.DC2025

PerCache: Predictive Hierarchical Cache for RAG Applications on Mobile Devices

Kaiwei Liu, Liekang Zeng, Lilin Xu +2

Retrieval-augmented generation (RAG) has become a de facto paradigm in various large language model (LLM)-driven applications on mobile devices, such as mobile assistants leveragin…

cs.CV2025★ 1 cited

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

DeepFeature: LLM-Empowered Context-aware Feature Generation for Wearable Biosignals

Kaiwei Liu, Yuting He, Bufang Yang +6

Biosignals collected from wearable devices are widely utilized in healthcare applications. Machine learning models used in these applications often rely on features extracted from…

cs.AI2025

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.DC2025

Synera: Synergistic LLM Serving across Device and Cloud at Scale

Genglin Wang, Liekang Zeng, Bufang Yang +6

Large Language Models (LLMs) are becoming key components in various mobile operating systems, driving smart applications like interactive chatbots and personal assistants. While br…

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…

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.HC2025★ 1 cited

EgoLog: Ego-Centric Fine-Grained Daily Log with Ubiquitous Wearables

Lixing He, Bufang Yang, Di Duan +2

Despite advances in human activity recognition (HAR) with different modalities, a precise, robust, and accurate daily log system is not yet available. Current solutions primarily r…

cs.AI2024★ 1 cited

SocialMind: LLM-based Proactive AR Social Assistive System with Human-like Perception for In-situ Live Interactions

Bufang Yang, Yunqi Guo, Lilin Xu +4

Social interactions are fundamental to human life. The recent emergence of large language models (LLMs)-based virtual assistants has demonstrated their potential to revolutionize h…

cs.AI2024★ 1 cited

DrHouse: An LLM-empowered Diagnostic Reasoning System through Harnessing Outcomes from Sensor Data and Expert Knowledge

Bufang Yang, Siyang Jiang, Lilin Xu +6

Large language models (LLMs) have the potential to transform digital healthcare, as evidenced by recent advances in LLM-based virtual doctors. However, current approaches rely on p…

eess.SY2024★ 3 cited

Soar: Design and Deployment of A Smart Roadside Infrastructure System for Autonomous Driving

Shuyao Shi, Neiwen Ling, Zhehao Jiang +9

Recently,smart roadside infrastructure (SRI) has demonstrated the potential of achieving fully autonomous driving systems. To explore the potential of infrastructure-assisted auton…

cs.CV2024★ 1 cited

VIAssist: Adapting Multi-modal Large Language Models for Users with Visual Impairments

Bufang Yang, Lixing He, Kaiwei Liu +1

Individuals with visual impairments, encompassing both partial and total difficulties in visual perception, are referred to as visually impaired (VI) people. An estimated 2.2 billi…

cs.LG2023

BrainZ-BP: A Non-invasive Cuff-less Blood Pressure Estimation Approach Leveraging Brain Bio-impedance and Electrocardiogram

Bufang Yang, Le Liu, Wenxuan Wu +3

Accurate and continuous blood pressure (BP) monitoring is essential to the early prevention of cardiovascular diseases. Non-invasive and cuff-less BP estimation algorithm has gaine…

cs.LG2023★ 3 cited

EdgeFM: Leveraging Foundation Model for Open-set Learning on the Edge

Bufang Yang, Lixing He, Neiwen Ling +5

Deep Learning (DL) models have been widely deployed on IoT devices with the help of advancements in DL algorithms and chips. However, the limited resources of edge devices make the…