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arXiv 2602.07038cs.CVcs.CL

UNIKIE-BENCH:用于视觉文档中关键信息提取的大型多模态模型基准测试

UNIKIE-BENCH: Benchmarking Large Multimodal Models for Key Information Extraction in Visual Documents

School of Computer Science and Engineering, Northeastern University, Shenyang, China(东北大学计算机科学与工程学院);Department of Computer Science and Technology, Tsinghua University, Beijing, China(清华大学计算机科学与技术系);Alibaba Group, Hangzhou, China(阿里巴巴集团)

Yifan Ji, Zhipeng Xu, Zhenghao Liu, Zulong Chen, Qian Zhang, Zhibo Yang, Junyang Lin, Yu Gu, Ge Yu, Maosong Sun

AI总结:

本文提出UNIKIE-BENCH基准,用于评估大型多模态模型在视觉文档关键信息提取中的性能,揭示了不同场景下模型的性能差异及挑战。

摘要:

本文提出UNIKIE-BENCH基准,用于评估大型多模态模型在视觉文档关键信息提取中的性能,揭示了不同场景下模型的性能差异及挑战。

英文摘要:

Key Information Extraction (KIE) from real-world documents remains challenging due to substantial variations in layout structures, visual quality, and task-specific information requirements. Recent Large Multimodal Models (LMMs) have shown promising potential for performing end-to-end KIE directly from document images. To enable a comprehensive and systematic evaluation across realistic and diverse application scenarios, we introduce UNIKIE-BENCH, a unified benchmark designed to rigorously evaluate the KIE capabilities of LMMs. UNIKIE-BENCH consists of two complementary tracks: a constrained-category KIE track with scenario-predefined schemas that reflect practical application needs, and an open-category KIE track that extracts any key information that is explicitly present in the document. Experiments on 15 state-of-the-art LMMs reveal substantial performance degradation under diverse schema definitions, long-tail key fields, and complex layouts, along with pronounced performance disparities across different document types and scenarios. These findings underscore persistent challenges in grounding accuracy and layout-aware reasoning for LMM-based KIE. All codes and datasets are available at https://github.com/NEUIR/UNIKIE-BENCH.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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