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Document Layout Analysis is crucial for real-world document understanding systems, but it encounters a challenging trade-off between speed and accuracy: multimodal methods leveraging both text and visual features achieve higher accuracy but…

计算机视觉与模式识别 · 计算机科学 2024-10-17 Zhiyuan Zhao , Hengrui Kang , Bin Wang , Conghui He

With the growing popularity of LLM agents and RAG, it has become increasingly important to retrieve documents that are essential for solving a task, even when their connection to the task is indirect or implicit. Addressing this problem…

信息检索 · 计算机科学 2025-10-14 Junwei Lan , Jianlyu Chen , Zheng Liu , Chaofan Li , Siqi Bao , Defu Lian

Reading order detection is the cornerstone to understanding visually-rich documents (e.g., receipts and forms). Unfortunately, no existing work took advantage of advanced deep learning models because it is too laborious to annotate a large…

计算与语言 · 计算机科学 2021-08-30 Zilong Wang , Yiheng Xu , Lei Cui , Jingbo Shang , Furu Wei

Recently, various multimodal networks for Visually-Rich Document Understanding(VRDU) have been proposed, showing the promotion of transformers by integrating visual and layout information with the text embeddings. However, most existing…

计算机视觉与模式识别 · 计算机科学 2022-03-16 Zhangxuan Gu , Changhua Meng , Ke Wang , Jun Lan , Weiqiang Wang , Ming Gu , Liqing Zhang

Recent advances in Large Vision-Language models (LVLM) have spurred significant progress in document parsing task. Compared to traditional pipeline-based methods, end-to-end paradigms have shown their excellence in converting PDF images…

计算机视觉与模式识别 · 计算机科学 2025-09-25 Xiangyang Chen , Shuzhao Li , Xiuwen Zhu , Yongfan Chen , Fan Yang , Cheng Fang , Lin Qu , Xiaoxiao Xu , Hu Wei , Minggang Wu

Large language models (LLMs) achieve optimal utility when their responses are grounded in external knowledge sources. However, real-world documents, such as annual reports, scientific papers, and clinical guidelines, frequently combine…

信息检索 · 计算机科学 2025-12-17 Chi Zhang , Qiyang Chen , Mengqi Zhang

In recent years, the use of multi-modal pre-trained Transformers has led to significant advancements in visually-rich document understanding. However, existing models have mainly focused on features such as text and vision while neglecting…

计算与语言 · 计算机科学 2023-08-16 Qiwei Li , Zuchao Li , Xiantao Cai , Bo Du , Hai Zhao

Retrieval-augmented large language models (LLMs) leverage relevant content retrieved by information retrieval systems to generate correct responses, aiming to alleviate the hallucination problem. However, existing retriever-responder…

计算与语言 · 计算机科学 2024-06-26 Taolin Zhang , Dongyang Li , Qizhou Chen , Chengyu Wang , Longtao Huang , Hui Xue , Xiaofeng He , Jun Huang

Automated parsing of scanned documents into richly structured, machine-readable formats remains a critical bottleneck in Document AI, as traditional multi-stage pipelines suffer from error propagation and limited adaptability to diverse…

计算机视觉与模式识别 · 计算机科学 2025-10-22 Baode Wang , Biao Wu , Weizhen Li , Meng Fang , Zuming Huang , Jun Huang , Haozhe Wang , Yanjie Liang , Ling Chen , Wei Chu , Yuan Qi

Retrieval-Augmented Generation (RAG) systems have revolutionized information retrieval and question answering, but traditional text-based chunking methods struggle with complex document structures, multi-page tables, embedded figures, and…

机器学习 · 计算机科学 2025-07-15 Vishesh Tripathi , Tanmay Odapally , Indraneel Das , Uday Allu , Biddwan Ahmed

Document parsing from scanned images into structured formats remains a significant challenge due to its complexly intertwined elements such as text paragraphs, figures, formulas, and tables. Existing supervised fine-tuning methods often…

计算与语言 · 计算机科学 2025-10-21 Baode Wang , Biao Wu , Weizhen Li , Meng Fang , Zuming Huang , Jun Huang , Haozhe Wang , Yanjie Liang , Ling Chen , Wei Chu , Yuan Qi

Large language models (LLMs) often need to incorporate external knowledge to solve theme-specific problems. Retrieval-augmented generation (RAG) has shown its high promise, empowering LLMs to generate more qualified responses with retrieved…

机器学习 · 计算机科学 2025-08-05 Jimeng Shi , Sizhe Zhou , Bowen Jin , Wei Hu , Runchu Tian , Shaowen Wang , Giri Narasimhan , Jiawei Han

Retrieval-Augmented Generation (RAG) enhances Large Language Models (LLMs) by integrating external knowledge, leading to improved accuracy and relevance. However, scaling RAG pipelines remains computationally expensive as retrieval sizes…

信息检索 · 计算机科学 2026-03-05 Maxime Louis , Thibault Formal , Hervé Dejean , Stéphane Clinchant

This paper proposes LayoutLLM, a more flexible document analysis method for understanding imaged documents. Visually Rich Document Understanding tasks, such as document image classification and information extraction, have gained…

计算与语言 · 计算机科学 2024-03-22 Masato Fujitake

BERT based ranking models have achieved superior performance on various information retrieval tasks. However, the large number of parameters and complex self-attention operation come at a significant latency overhead. To remedy this, recent…

信息检索 · 计算机科学 2021-10-06 Nachshon Cohen , Amit Portnoy , Besnik Fetahu , Amir Ingber

With the increasing adoption of Large Language Models (LLMs) and Vision-Language Models (VLMs), rich document analysis technologies for applications like Retrieval-Augmented Generation (RAG) and visual RAG are gaining significant attention.…

人工智能 · 计算机科学 2026-02-16 Nobuhiro Ueda , Yuyang Dong , Krisztián Boros , Daiki Ito , Takuya Sera , Masafumi Oyamada

Cross-modal retrieval is gaining increasing efficacy and interest from the research community, thanks to large-scale training, novel architectural and learning designs, and its application in LLMs and multimodal LLMs. In this paper, we move…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Davide Caffagni , Sara Sarto , Marcella Cornia , Lorenzo Baraldi , Rita Cucchiara

Visually-rich Document Understanding (VrDU) has attracted much research attention over the past years. Pre-trained models on a large number of document images with transformer-based backbones have led to significant performance gains in…

计算机视觉与模式识别 · 计算机科学 2023-06-12 Yi Tu , Ya Guo , Huan Chen , Jinyang Tang

While large language models (LLMs) demonstrate impressive capabilities, their reliance on parametric knowledge often leads to factual inaccuracies. Retrieval-Augmented Generation (RAG) mitigates this by leveraging external documents, yet…

计算与语言 · 计算机科学 2025-10-07 Lingnan Xu , Chong Feng , Kaiyuan Zhang , Liu Zhengyong , Wenqiang Xu , Fanqing Meng

In this article, we continue our analysis for a novel recursive modification to the Max $k$-Cut algorithm using semidefinite programming as its basis, offering an improved performance in vectorized data clustering tasks. Using a dimension…

最优化与控制 · 数学 2024-08-16 An Ly , Raj Sawhney , Marina Chugunova
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