collaborators

10 papers

cs.CV2026

RoXDrive: Closed-Loop Reinforcement Learning for End-to-End Autonomous Driving via Action-Faithful Rollouts

Hongbin Lin, Chaoda Zheng, Yiming Yang +11

End-to-end autonomous driving policies are commonly trained via imitation learning on logged demonstrations without observing the consequences of their own actions, leading to caus…

cs.AI2026

CacheSpec: Finding the Sweet Spot for Small Models in Large Language Models

Jingquan Chen, Jie Feng, Jinghua Piao +2

Large language models (LLMs) are increasingly used for program-aided reasoning, agentic decision making, and structured task execution, but these settings often incur substantial i…

cs.CV2025

FutureX: Enhance End-to-End Autonomous Driving via Latent Chain-of-Thought World Model

Hongbin Lin, Yiming Yang, Yifan Zhang +10

In autonomous driving, end-to-end planners learn scene representations from raw sensor data and utilize them to generate a motion plan or control actions. However, exclusive relian…

cs.CL2025

AR-Med: Automated Relevance Enhancement in Medical Search via LLM-Driven Information Augmentation

Chuyue Wang, Jie Feng, Yuxi Wu +4

Accurate and reliable search on online healthcare platforms is critical for user safety and service efficacy. Traditional methods, however, often fail to comprehend complex and nua…

cs.LG2025

MoveFM-R: Advancing Mobility Foundation Models via Language-driven Semantic Reasoning

Fanjin Meng, Yuan Yuan, Jingtao Ding +3

Mobility Foundation Models (MFMs) have advanced the modeling of human movement patterns, yet they face a ceiling due to limitations in data scale and semantic understanding. While…

cs.CV2025

Vision-G1: Towards General Vision Language Reasoning with Multi-Domain Data Curation

Yuheng Zha, Kun Zhou, Yujia Wu +7

Despite their success, current training pipelines for reasoning VLMs focus on a limited range of tasks, such as mathematical and logical reasoning. As a result, these models face d…

cs.LG2025

UniMove: A Unified Model for Multi-city Human Mobility Prediction

Chonghua Han, Yuan Yuan, Yukun Liu +3

Human mobility prediction is vital for urban planning, transportation optimization, and personalized services. However, the inherent randomness, non-uniform time intervals, and com…

cs.LG2025

AMFT: Aligning LLM Reasoners by Meta-Learning the Optimal Imitation-Exploration Balance

Lixuan He, Jie Feng, Yong Li

Large Language Models (LLMs) are typically fine-tuned for reasoning tasks through a two-stage pipeline of Supervised Fine-Tuning (SFT) followed by Reinforcement Learning (RL), a pr…

cs.CV2025

Mem4Nav: Boosting Vision-and-Language Navigation in Urban Environments with a Hierarchical Spatial-Cognition Long-Short Memory System

Lixuan He, Haoyu Dong, Zhenxing Chen +3

Vision-and-Language Navigation (VLN) in large-scale urban environments requires embodied agents to ground linguistic instructions in complex scenes and recall relevant experiences…

cs.LG2025

Breaking Data Silos: Towards Open and Scalable Mobility Foundation Models via Generative Continual Learning

Yuan Yuan, Yukun Liu, Chonghua Han +2

Human mobility is a fundamental pillar of urban science and sustainability, providing critical insights into energy consumption, carbon emissions, and public health. However, the d…