Author

Xu Yuan

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Preprint Sep 2026

MAGIC: Marginal-Guided Compression with Optimal Transport for Efficient Visual Document Retrieval

Recent visual document retrieval (VDR) systems such as ColPali use multi-vector page embeddings, in which patch-level vectors enable fine-grained evidence matching but incur substantial index storage and MaxSim scoring overhead. Post-hoc merging offers a practical route to efficient VDR by reducing this cost without re...

Xu Yuan, Hua Liu, Wen-Qi Fan et al. · 0 citations

Review Sep 2026

AI Smart Glasses for Wearable Intelligence: From Egocentric Sensing to Agentic Personalization

Recent advances in artificial intelligence (AI) are reshaping smart glasses from egocentric capture and display devices into platforms for wearable intelligence. Smart glasses increasingly serve as wearable AI systems that connect first-person observation with real-time assistance under strict form-factor constraints....

Xu Yuan, Yi Wang, Zhuohang Jiang et al. · 0 citations

Preprint Aug 2026

FashionKG-RAG: Knowledge Graph-Enhanced Retrieval-Augmented Generation for Fashion Question Answering

Fashion is a knowledge-intensive domain in which effective decision-making depends on integrating multiple types of knowledge. Although Large Language Models (LLMs) have transformed many areas, their application in fashion remains limited by hallucinations and weak domain specialization. Knowledge Graph (KG)-based Retr...

Yujuan Ding, Linyin Luo, Shijie Wang et al. · 0 citations