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As the Portable Document Format (PDF) file format increases in popularity, research in analysing its structure for text extraction and analysis is necessary. Detecting headings can be a crucial component of classifying and extracting…

Information Retrieval · Computer Science 2018-09-06 Sahib Singh Budhiraja , Vijay Mago

A correct localisation of tables in a document is instrumental for determining their structure and extracting their contents; therefore, table detection is a key step in table understanding. Nowadays, the most successful methods for table…

Computer Vision and Pattern Recognition · Computer Science 2019-12-13 Ángela Casado-García , César Domínguez , Jónathan Heras , Eloy Mata , Vico Pascual

Scientific literature contain important information related to cutting-edge innovations in diverse domains. Advances in natural language processing have been driving the fast development in automated information extraction from scientific…

Information Retrieval · Computer Science 2021-06-29 Antonio Jimeno Yepes , Xu Zhong , Douglas Burdick

The volume of academic paper submissions and publications is growing at an ever increasing rate. While this flood of research promises progress in various fields, the sheer volume of output inherently increases the amount of noise. We…

Information Retrieval · Computer Science 2020-05-22 Marko Stamenovic , Jeibo Luo

Document content extraction is a critical task in computer vision, underpinning the data needs of large language models (LLMs) and retrieval-augmented generation (RAG) systems. Despite recent progress, current document parsing methods have…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Linke Ouyang , Yuan Qu , Hongbin Zhou , Jiawei Zhu , Rui Zhang , Qunshu Lin , Bin Wang , Zhiyuan Zhao , Man Jiang , Xiaomeng Zhao , Jin Shi , Fan Wu , Pei Chu , Minghao Liu , Zhenxiang Li , Chao Xu , Bo Zhang , Botian Shi , Zhongying Tu , Conghui He

Objective:Develop and validate an algorithm for analyzing the layout of PDF clinical documents to improve the performance of downstream natural language processing tasks. Materials and Methods: We designed an algorithm to process clinical…

Computation and Language · Computer Science 2023-05-24 Christel Gérardin , Perceval Wajsbürt , Basile Dura , Alice Calliger , Alexandre Moucher , Xavier Tannier , Romain Bey

Considerable research attention has been paid to table detection by developing not only rule-based approaches reliant on hand-crafted heuristics but also deep learning approaches. Although recent studies successfully perform table detection…

Machine Learning · Computer Science 2022-11-15 Hyebin Kwon , Joungbin An , Dongwoo Lee , Won-Yong Shin

In this paper, we address the problem of classifying documents available from the global network of (open access) repositories according to their type. We show that the metadata provided by repositories enabling us to distinguish research…

Digital Libraries · Computer Science 2017-07-14 Aristotelis Charalampous , Petr Knoth

In this paper, we explore the question of whether large language models can support cost-efficient information extraction from tables. We introduce schema-driven information extraction, a new task that transforms tabular data into…

Computation and Language · Computer Science 2024-11-22 Fan Bai , Junmo Kang , Gabriel Stanovsky , Dayne Freitag , Mark Dredze , Alan Ritter

PDF is one of the most prominent data formats, making PDF parsing crucial for information extraction and retrieval, particularly with the rise of RAG systems. While various PDF parsing tools exist, their effectiveness across different…

Information Retrieval · Computer Science 2025-04-04 Narayan S. Adhikari , Shradha Agarwal

Deep Convolutional Neural Networks (DCNNs) have recently been applied successfully to a variety of vision and multimedia tasks, thus driving development of novel solutions in several application domains. Document analysis is a particularly…

Computer Vision and Pattern Recognition · Computer Science 2018-04-18 I. Kavasidis , S. Palazzo , C. Spampinato , C. Pino , D. Giordano , D. Giuffrida , P. Messina

Table detection, a pivotal task in document analysis, aims to precisely recognize and locate tables within document images. Although deep learning has shown remarkable progress in this realm, it typically requires an extensive dataset of…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Iqraa Ehsan , Tahira Shehzadi , Didier Stricker , Muhammad Zeshan Afzal

Deep learning (DL) has revolutionized the field of document image analysis, showcasing superhuman performance across a diverse set of tasks. However, the inherent black-box nature of deep learning models still presents a significant…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Saifullah Saifullah , Stefan Agne , Andreas Dengel , Sheraz Ahmed

Important information that relates to a specific topic in a document is often organized in tabular format to assist readers with information retrieval and comparison, which may be difficult to provide in natural language. However, tabular…

Computer Vision and Pattern Recognition · Computer Science 2020-03-05 Xu Zhong , Elaheh ShafieiBavani , Antonio Jimeno Yepes

This paper introduces the DocILE benchmark with the largest dataset of business documents for the tasks of Key Information Localization and Extraction and Line Item Recognition. It contains 6.7k annotated business documents, 100k…

Tables are pervasive in diverse documents, making table recognition (TR) a fundamental task in document analysis. Existing modular TR pipelines separately model table structure and content, leading to suboptimal integration and complex…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Chunxia Qin , Chenyu Liu , Pengcheng Xia , Jun Du , Baocai Yin , Bing Yin , Cong Liu

Extracting information from academic PDF documents is crucial for numerous indexing, retrieval, and analysis use cases. Choosing the best tool to extract specific content elements is difficult because many, technically diverse tools are…

Information Retrieval · Computer Science 2023-03-20 Norman Meuschke , Apurva Jagdale , Timo Spinde , Jelena Mitrović , Bela Gipp

Tabular structures are used to present crucial information in a structured and crisp manner. Detection of such regions is of great importance for proper understanding of a document. Tabular structures can be of various layouts and types.…

Computer Vision and Pattern Recognition · Computer Science 2020-08-28 Soumyadeep Dey , Jayanta Mukhopadhyay , Shamik Sural

Large Language Model (LLM) pre-training exhausts an ever growing compute budget, yet recent research has demonstrated that careful document selection enables comparable model quality with only a fraction of the FLOPs. Inspired by efforts…

Computation and Language · Computer Science 2024-06-10 Xiang Kong , Tom Gunter , Ruoming Pang

With the rapid and continuous increase in academic publications, identifying high-quality research has become an increasingly pressing challenge. While recent methods leveraging Large Language Models (LLMs) for automated paper evaluation…

Information Retrieval · Computer Science 2025-11-17 Wuqiang Zheng , Yiyan Xu , Xinyu Lin , Chongming Gao , Wenjie Wang , Fuli Feng