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Table extraction from document images is a challenging AI problem, and labelled data for many content domains is difficult to come by. Existing table extraction datasets often focus on scientific tables due to the vast amount of academic…

Machine Learning · Computer Science 2024-12-06 Ethan Bradley , Muhammad Roman , Karen Rafferty , Barry Devereux

Table structure recognition is necessary for a comprehensive understanding of documents. Tables in unstructured business documents are tough to parse due to the high diversity of layouts, varying alignments of contents, and the presence of…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Sachin Raja , Ajoy Mondal , C V Jawahar

Table Detection has become a fundamental task for visually rich document understanding with the surging number of electronic documents. However, popular public datasets widely used in related studies have inherent limitations, including…

Information Retrieval · Computer Science 2023-11-09 Bin Xiao , Murat Simsek , Burak Kantarci , Ala Abu Alkheir

Tables on the Web contain a vast amount of knowledge in a structured form. To tap into this valuable resource, we address the problem of table retrieval: answering an information need with a ranked list of tables. We investigate this…

Information Retrieval · Computer Science 2021-05-14 Shuo Zhang , Krisztian Balog

Table Structure Recognition is an essential part of end-to-end tabular data extraction in document images. The recent success of deep learning model architectures in computer vision remains to be non-reflective in table structure…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Umar Khan , Sohaib Zahid , Muhammad Asad Ali , Adnan ul Hassan , Faisal Shafait

We introduce a new table detection and structure recognition approach named RobusTabNet to detect the boundaries of tables and reconstruct the cellular structure of each table from heterogeneous document images. For table detection, we…

Computer Vision and Pattern Recognition · Computer Science 2022-09-19 Chixiang Ma , Weihong Lin , Lei Sun , Qiang Huo

Table extraction is an important but still unsolved problem. In this paper, we introduce a flexible and modular table extraction system. We develop two rule-based algorithms that perform the complete table recognition process, including…

Computer Vision and Pattern Recognition · Computer Science 2021-12-03 Marcin Namysl , Alexander M. Esser , Sven Behnke , Joachim Köhler

Tables have been an ever-existing structure to store data. There exist now different approaches to store tabular data physically. PDFs, images, spreadsheets, and CSVs are leading examples. Being able to parse table structures and extract…

Computer Vision and Pattern Recognition · Computer Science 2022-01-06 Susie Xi Rao , Johannes Rausch , Peter Egger , Ce Zhang

Many data we collect today are in tabular form, with rows as records and columns as attributes associated with each record. Understanding the structural relationship in tabular data can greatly facilitate the data science process.…

Data Structures and Algorithms · Computer Science 2020-09-09 Jin Cao , Yibo Zhao , Linjun Zhang , Jason Li

An automatic table recognition method for interpretation of tabular data in document images majorly involves solving two problems of table detection and table structure recognition. The prior work involved solving both problems…

Computer Vision and Pattern Recognition · Computer Science 2020-05-29 Devashish Prasad , Ayan Gadpal , Kshitij Kapadni , Manish Visave , Kavita Sultanpure

Using multimodal foundation models to analyze table images is a high-value yet challenging application in consumer and enterprise scenarios. Despite its importance, current evaluations rely largely on structured-text tables or clean…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Junzhe Huang , Xiaoxiao Sun , Yan Yang , Yuxuan Hou , Ruotian Zhang , Sirui Li , Hehe Fan , Serena Yeung-Levy , Xin Yu

Tables condense key transactional and administrative information into compact layouts, but practical extraction requires more than text recognition: systems must also recover structure (rows, columns, merged cells, headers) and interpret…

Computer Vision and Pattern Recognition · Computer Science 2026-04-20 Laziz Hamdi , Amine Tamasna , Thierry Paquet

We introduce TabRepo, a new dataset of tabular model evaluations and predictions. TabRepo contains the predictions and metrics of 1310 models evaluated on 200 classification and regression datasets. We illustrate the benefit of our dataset…

Machine Learning · Computer Science 2024-08-27 David Salinas , Nick Erickson

Tables provide valuable knowledge that can be used to verify textual statements. While a number of works have considered table-based fact verification, direct alignments of tabular data with tokens in textual statements are rarely…

Computation and Language · Computer Science 2021-09-10 Fei Wang , Kexuan Sun , Jay Pujara , Pedro Szekely , Muhao Chen

Localizing page elements/objects such as tables, figures, equations, etc. is the primary step in extracting information from document images. We propose a novel end-to-end trainable deep network, (CDeC-Net) for detecting tables present in…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Madhav Agarwal , Ajoy Mondal , C. V. Jawahar

Within enterprises, there is a growing need to intelligently navigate data lakes, specifically focusing on data discovery. Of particular importance to enterprises is the ability to find related tables in data repositories. These tables can…

The diversity of tables makes table detection a great challenge, leading to existing models becoming more tedious and complex. Despite achieving high performance, they often overfit to the table style in training set, and suffer from…

Computation and Language · Computer Science 2023-12-19 Yang Fan , Xiangping Wu , Qingcai Chen , Heng Li , Yan Huang , Zhixiang Cai , Qitian Wu

In the digital era, table structure recognition technology is a critical tool for processing and analyzing large volumes of tabular data. Previous methods primarily focus on visual aspects of table structure recovery but often fail to…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Zhenrong Zhang , Shuhang Liu , Pengfei Hu , Jiefeng Ma , Jun Du , Jianshu Zhang , Yu Hu

A significant portion of the data available today is found within tables. Therefore, it is necessary to use automated table extraction to obtain thorough results when data-mining. Today's popular state-of-the-art methods for table…

Information Retrieval · Computer Science 2021-04-26 Zach Colter , Morteza Fayazi , Zineb Benameur-El , Serafina Kamp , Shuyan Yu , Ronald Dreslinski

How to generate a large, realistic set of tables along with joinability relationships, to stress-test dataset discovery methods? Dataset discovery methods aim to automatically identify related data assets in a data lake. The development and…

Databases · Computer Science 2025-07-09 Zhenwei Dai , Chuan Lei , Asterios Katsifodimos , Xiao Qin , Christos Faloutsos , Huzefa Rangwala