activity
20242026
collaborators

7 papers

cs.CV2026

Fine-Grained Post-Training Quantization for Large Vision Language Models with Quantization-Aware Integrated Gradients

Ziwei Xiang, Fanhu Zeng, Hongjian Fang +6

Large Vision Language Models (LVLMs) have achieved remarkable success in a range of downstream tasks that require multimodal interaction, but their capabilities come with substanti…

cs.CV2026

PCA-Seg: Revisiting Cost Aggregation for Open-Vocabulary Semantic and Part Segmentation

Jianjian Yin, Tao Chen, Yi Chen +4

Recent advances in vision-language models (VLMs) have garnered substantial attention in open-vocabulary semantic and part segmentation (OSPS). However, existing methods extract ima…

cs.CL2026

MR-Align: Meta-Reasoning Informed Factuality Alignment for Large Reasoning Models

Xinming Wang, Jian Xu, Bin Yu +9

Large reasoning models (LRMs) show strong capabilities in complex reasoning, yet their marginal gains on evidence-dependent factual questions are limited. We find this limitation i…

cs.CV2025

ChartAgent: A Chart Understanding Framework with Tool Integrated Reasoning

Boran Wang, Xinming Wang, Yi Chen +4

With their high information density and intuitive readability, charts have become the de facto medium for data analysis and communication across disciplines. Recent multimodal larg…

cs.AI2025

MeteorPred: A Meteorological Multimodal Large Model and Dataset for Severe Weather Event Prediction

Shuo Tang, Jian Xu, Jiadong Zhang +5

Timely and accurate forecasts of severe weather events are essential for early warning and for constraining downstream analysis and decision-making. Since severe weather events pre…

cs.CV2025

Sparsity Meets Similarity: Leveraging Long-Tail Distribution for Dynamic Optimized Token Representation in Multimodal Large Language Models

Gaotong Yu, Yi Chen, Jian Xu

Recently, multimodal large language models (MM-LLMs) have achieved significant success in various tasks, but their high computational costs limit widespread application. The main c…