activity
20242026
collaborators

12 papers

cs.CV2026

MV-STRIDE: Enabling MLLMs to Master Multi-View Spatial Reasoning via Hierarchical Capability Modeling

Jin Xu, Xiaojian Huang, Zhuodong Luo +6

Despite the rapid progress of Multimodal Large Language Models (MLLMs) in 2D vision-language tasks, robust multi-view spatial reasoning remains a fundamental bottleneck due to the…

cs.LG2026

From Outcomes to Actions: Leveraging Hindsight for Long-Horizon Language Agent Training

Zishang Jiang, Tingyun Li, Jinyi Han +7

Reinforcement learning (RL) has become a widely adopted technique for improving large language models (LLMs) on complex tasks. Despite this progress, existing RL methods still face…

cs.CL2026

The GaoYao Benchmark: A Comprehensive Framework for Evaluating Multilingual and Multicultural Abilities of Large Language Models

Yilun Liu, Chunguang Zhao, Mengyao Piao +14

Evaluating the multilingual and multicultural capabilities of Large Language Models (LLMs) is essential for their global utility. However, current benchmarks face three critical li…

cs.AI2026

DT2IT-MRM: Debiased Preference Construction and Iterative Training for Multimodal Reward Modeling

Zhihong Zhang, Jie Zhao, Xiaojian Huang +5

Multimodal reward models (MRMs) play a crucial role in aligning Multimodal Large Language Models (MLLMs) with human preferences. Training a good MRM requires high-quality multimoda…

cs.CL2026

MathAgent: Adversarial Evolution of Constraint Graphs for Mathematical Reasoning Data Synthesis

Zixiong Yu, Jun Rao, Guhan Chen +5

Synthesizing high-quality mathematical reasoning data without human priors remains a significant challenge. Current approaches typically rely on seed data mutation or simple prompt…

cs.CL2026

Mining or Synthesis? Rethinking Exploration Efficiency in Iterative Alignment of Mathematical Reasoning

Jun Rao, Zixiong Yu, Xuebo Liu +6

Iterative Direct Preference Optimization (DPO) has emerged as a widely used paradigm for aligning Large Language Models on reasoning tasks. Existing approaches typically rely on Be…

cs.CL2025

Why Did Apple Fall: Evaluating Curiosity in Large Language Models

Haoyu Wang, Sihang Jiang, Yuyan Chen +4

Curiosity serves as a pivotal conduit for human beings to discover and learn new knowledge. Recent advancements of large language models (LLMs) in natural language processing have…

cs.CV2025

VideoRewardBench: Comprehensive Evaluation of Multimodal Reward Models for Video Understanding

Zhihong Zhang, Xiaojian Huang, Jin Xu +4

Multimodal reward models (MRMs) play a crucial role in the training, inference, and evaluation of Large Vision Language Models (LVLMs) by assessing response quality. However, exist…

cs.AI2025

Dynamic Sampling that Adapts: Self-Aware Iterative Data Persistent Optimization for Mathematical Reasoning

Jun Rao, Xuebo Liu, Hexuan Deng +5

In mathematical reasoning, data selection strategies predominantly rely on static, externally defined metrics, which fail to adapt to the evolving capabilities of models during tra…

cs.CV2025

ReasVQA: Advancing VideoQA with Imperfect Reasoning Process

Jianxin Liang, Xiaojun Meng, Huishuai Zhang +3

Video Question Answering (VideoQA) is a challenging task that requires understanding complex visual and temporal relationships within videos to answer questions accurately. In this…

cs.AI2025

CDS: Knowledge Component-Driven Data Synthesis Guided by Cognitive Diagnosis Theory

Haokun Zhao, Jinyi Han, Jiaqing Liang +3

Large Language Models (LLMs) have achieved significant advancements, but the increasing complexity of tasks and higher performance demands highlight the need for continuous improve…

cs.CV2024

VideoLLM Knows When to Speak: Enhancing Time-Sensitive Video Comprehension with Video-Text Duet Interaction Format

Yueqian Wang, Xiaojun Meng, Yuxuan Wang +4

Recent researches on video large language models (VideoLLM) predominantly focus on model architectures and training datasets, leaving the interaction format between the user and th…