collaborators

5 papers

cs.AI2026

Evolving Support Priorities in Empathetic Reinforcement Learning

Pengyu Huang, Zhiyuan Han, Wenwen Tong +6

We identify a fundamental mismatch in empathetic reinforcement learning: support priorities evolve with the dialogue state, yet existing methods typically optimize predefined rewar…

cs.CL2026

Enjoy Your Talk: A Human-Centered Benchmark for Multi-Turn Dialogue with Decoupled User Simulation, Target Modeling, and Judging

Jinglan Gong, Jiefan Lu, Hewei Guo +5

Evaluating large language models (LLMs) as multi-turn conversational partners requires probing capabilities that single-turn benchmarks miss: persona consistency, evolving intent t…

cs.AI2026

MER-R1: Multimodal Emotion Reasoning via Slow-Fast Thinking Synergy

Zhiyuan Han, Beier Zhu, Wenwen Tong +8

We find that explicit reasoning does not necessarily translate into better multimodal emotion recognition (MER) accuracy, even though it makes predictions more interpretable. Speci…

cs.AI2025

Benchmarking and Bridging Emotion Conflicts for Multimodal Emotion Reasoning

Zhiyuan Han, Beier Zhu, Yanlong Xu +2

Despite their strong performance in multimodal emotion reasoning, existing Multimodal Large Language Models (MLLMs) often overlook the scenarios involving emotion conflicts, where…

cs.CV2025

AugRefer: Advancing 3D Visual Grounding via Cross-Modal Augmentation and Spatial Relation-based Referring

Xinyi Wang, Na Zhao, Zhiyuan Han +2

3D visual grounding (3DVG), which aims to correlate a natural language description with the target object within a 3D scene, is a significant yet challenging task. Despite recent a…