activity
20242026
collaborators

8 papers

cs.CV2026

Cross-Visibility-Gap Identity Persistence for 4D Scene Graphs

Jiahui Hu, Li Gao, Yu Liu +1

4D scene graphs require persistent object identity when an object disappears inside an opaque carrier and later reappears as a fresh detection. When appearance and target-centric m…

cs.LG2026

Revealing After Overwriting: An Exponential POMDP OPE Lower Bound under History-Dependent Logging

Youyu Luo, Pengzhan Zhou, Zhida Qin +4

Multi-step revealing can make off-policy evaluation tractable under memoryless logging. With history-dependent logging, state decodability and target-relevant evidence can separate…

cs.CV2026

Adaptive Cross-Modal Fusion with Sparse Attention for Pedestrian Crossing Intention Prediction

Md Mahfuzur Rahman, Pengzhan Zhou, A F M Abdun Noor +5

Predicting pedestrian crossing intention is a safety-critical task for autonomous driving, yet existing approaches often rely on single-modal inputs or dense multimodal fusion stra…

cs.LG2025

FedSODA: Federated Fine-tuning of LLMs via Similarity Group Pruning and Orchestrated Distillation Alignment

Manning Zhu, Songtao Guo, Pengzhan Zhou +3

Federated fine-tuning (FFT) of large language models (LLMs) has recently emerged as a promising solution to enable domain-specific adaptation while preserving data privacy. Despite…

cs.IR2025

Large Language Models Enhanced Hyperbolic Space Recommender Systems

Wentao Cheng, Zhida Qin, Zexue Wu +2

Large Language Models (LLMs) have attracted significant attention in recommender systems for their excellent world knowledge capabilities. However, existing methods that rely on Eu…

cs.LG2024

FedAH: Aggregated Head for Personalized Federated Learning

Pengzhan Zhou, Yuepeng He, Yijun Zhai +5

Recently, Federated Learning (FL) has gained popularity for its privacy-preserving and collaborative learning capabilities. Personalized Federated Learning (PFL), building upon FL,…

cs.AI2024

FedPAW: Federated Learning with Personalized Aggregation Weights for Urban Vehicle Speed Prediction

Yuepeng He, Pengzhan Zhou, Yijun Zhai +4

Vehicle speed prediction is crucial for intelligent transportation systems, promoting more reliable autonomous driving by accurately predicting future vehicle conditions. Due to va…

cs.DC2024

FedRAV: Hierarchically Federated Region-Learning for Traffic Object Classification of Autonomous Vehicles

Yijun Zhai, Pengzhan Zhou, Yuepeng He +5

The emerging federated learning enables distributed autonomous vehicles to train equipped deep learning models collaboratively without exposing their raw data, providing great pote…