collaborators

10 papers

cs.IR2026

Doc-REFRAG: Rethinking Multimodal Document Retrieval-Augmented Generation

Ruofan Hu, Shengyang Xu, Minjie Hong +5

Real-world knowledge resides in multimodal documents, necessitating retrieval-augmented generation (RAG) for accurate question answering. However, existing multimodal RAG models ar…

cs.CV2026

HierCAD: Hierarchical Text-to-CAD Design via Structure Alignment and Parameter Grounding

Jimin Xu, Tianbao Wang, Tao Jin +1

Recent text-to-CAD approaches have shown promising results by leveraging large language models, but they often struggle with maintaining structural consistency in complex designs a…

cs.CV2026

DocRetriever: A Plug-and-Play Framework for Multimodal Document Retrieval with Comprehensive Benchmark

Ruofan Hu, Menghui Zhu, Jieming Zhu +8

Multimodal documents contain diverse elements, such as tables, figures, and layouts, which can complicate retrieval tasks. While current approaches typically combine dense visual e…

cs.CV2026

Bridging the Pose-Semantic Gap: A Cascade Framework for Text-Based Person Anomaly Search

Zequn Xie, Guijin Luo, Chuxin Wang +4

Text-based person anomaly search retrieves specific behavioral events from surveillance archives using natural-language queries. Although recent pose-aware methods align geometric…

cs.CL2026

From Facts to Insights: A Persona-Driven Dual Memory Framework and Dataset for Role-Playing Agents

Rongsheng Zhang, Ruofan Hu, Weijie Chen +7

While role-playing agents excel in short-term interactions, long-term conversations overwhelm context windows, motivating external memory frameworks. Current systems typically rely…

cs.CV2026

ImVideoEdit: Image-learning Video Editing via 2D Spatial Difference Attention Blocks

Jiayang Xu, Fan Zhuo, Majun Zhang +6

Current video editing models often rely on expensive paired video data, which limits their practical scalability. In essence, most video editing tasks can be formulated as a decoup…

cs.AI2026

From Perception to Planning: Evolving Ego-Centric Task-Oriented Spatiotemporal Reasoning via Curriculum Learning

Xiaoda Yang, Yuxiang Liu, Shenzhou Gao +8

Modern vision-language models achieve strong performance in static perception, but remain limited in the complex spatiotemporal reasoning required for embodied, egocentric tasks. A…

cs.AI2026

A Progressive Training Strategy for Embodied Vision-Language Models to Mitigate Spatio-Temporal Hallucinations

Xiaoda Yang, Shuai Yang, Can Wang +9

Vision-Language Models (VLMs) have made significant strides in static image understanding but continue to face critical hurdles in spatiotemporal reasoning. A major bottleneck is "…

cs.CV2026

WorldEdit: Towards Open-World Image Editing with a Knowledge-Informed Benchmark

Wang Lin, Feng Wang, Majun Zhang +7

Recent advances in image editing models have demonstrated remarkable capabilities in executing explicit instructions, such as attribute manipulation, style transfer, and pose synth…

cs.CV2025

SSGaussian: Semantic-Aware and Structure-Preserving 3D Style Transfer

Jimin Xu, Bosheng Qin, Tao Jin +4

Recent advancements in neural representations, such as Neural Radiance Fields and 3D Gaussian Splatting, have increased interest in applying style transfer to 3D scenes. While exis…