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Related papers: Image-based table recognition: data, model, and ev…

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Table Structure Recognition (TSR) is a widely discussed task aiming at transforming unstructured table images into structured formats, such as HTML sequences, to make text-only models, such as ChatGPT, that can further process these tables.…

Computer Vision and Pattern Recognition · Computer Science 2024-01-11 Bin Xiao , Murat Simsek , Burak Kantarci , Ala Abu Alkheir

Document-level relation extraction aims to extract relations among multiple entity pairs from a document. Previously proposed graph-based or transformer-based models utilize the entities independently, regardless of global information among…

Computation and Language · Computer Science 2023-01-27 Ningyu Zhang , Xiang Chen , Xin Xie , Shumin Deng , Chuanqi Tan , Mosha Chen , Fei Huang , Luo Si , Huajun Chen

Table of contents (ToC) extraction aims to extract headings of different levels in documents to better understand the outline of the contents, which can be widely used for document understanding and information retrieval. Existing works…

Computer Vision and Pattern Recognition · Computer Science 2022-12-07 Pengfei Hu , Zhenrong Zhang , Jianshu Zhang , Jun Du , Jiajia Wu

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

Information representation as tables are compact and concise method that eases searching, indexing, and storage requirements. Extracting and cloning tables from parsable documents is easier and widely used, however industry still faces…

Information Retrieval · Computer Science 2020-10-20 Smita Pallavi , Raj Ratn Pranesh , Sumit Kumar

Table detection is the task of classifying and localizing table objects within document images. With the recent development in deep learning methods, we observe remarkable success in table detection. However, a significant amount of labeled…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Tahira Shehzadi , Khurram Azeem Hashmi , Didier Stricker , Marcus Liwicki , Muhammad Zeshan Afzal

Table structure recognition aims to parse tables in unstructured data into machine-understandable formats. Recent methods address this problem through a two-stage process or optimized one-stage approaches. However, these methods either…

Computer Vision and Pattern Recognition · Computer Science 2025-05-13 Anyi Xiao , Cihui Yang

Information extraction from semi-structured webpages provides valuable long-tailed facts for augmenting knowledge graph. Relational Web tables are a critical component containing additional entities and attributes of rich and diverse…

Information Retrieval · Computer Science 2021-02-19 Daheng Wang , Prashant Shiralkar , Colin Lockard , Binxuan Huang , Xin Luna Dong , Meng Jiang

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

Tables are widely used in documents because of their compact and structured representation of information. In particular, in scientific papers, tables can sum up novel discoveries and summarize experimental results, making the research…

Computer Vision and Pattern Recognition · Computer Science 2023-02-21 Davide del Bimbo , Andrea Gemelli , Simone Marinai

A table is an object that captures structured and informative content within a document, and recognizing a table in an image is challenging due to the complexity and variety of table layouts. Many previous works typically adopt a two-stage…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Youngmin Baek , Daehyun Nam , Jaeheung Surh , Seung Shin , Seonghyeon Kim

The inability to interpret the model prediction in semantically and visually meaningful ways is a well-known shortcoming of most existing computer-aided diagnosis methods. In this paper, we propose MDNet to establish a direct multimodal…

Computer Vision and Pattern Recognition · Computer Science 2017-07-11 Zizhao Zhang , Yuanpu Xie , Fuyong Xing , Mason McGough , Lin Yang

The abundance of the data in the Internet facilitates the improvement of extraction and processing tools. The trend in the open data publishing encourages the adoption of structured formats like CSV and RDF. However, there is still a…

Information Retrieval · Computer Science 2016-08-08 Mikhail Galkin , Dmitry Mouromtsev , Sören Auer

Images and structured tables are essential parts of real-world databases. Though tabular-image representation learning is promising to create new insights, it remains a challenging task, as tabular data is typically heterogeneous and…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Siyi Du , Shaoming Zheng , Yinsong Wang , Wenjia Bai , Declan P. O'Regan , Chen Qin

Although Transformers-based architectures excel at processing textual information, their naive adaptation for tabular data often involves flattening the table structure. This simplification can lead to the loss of essential…

Computation and Language · Computer Science 2025-03-04 Raphaël Mouravieff , Benjamin Piwowarski , Sylvain Lamprier

We present a new table structure recognition (TSR) approach, called TSRFormer, to robustly recognizing the structures of complex tables with geometrical distortions from various table images. Unlike previous methods, we formulate table…

Computer Vision and Pattern Recognition · Computer Science 2023-07-13 Jiawei Wang , Weihong Lin , Chixiang Ma , Mingze Li , Zheng Sun , Lei Sun , Qiang Huo

Table Extraction (TE) consists in extracting tables from PDF documents, in a structured format which can be automatically processed. While numerous TE tools exist, the variety of methods and techniques makes it difficult for users to choose…

Databases · Computer Science 2025-11-21 Marijan Soric , Cécile Gracianne , Ioana Manolescu , Pierre Senellart

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

Table recognition (TR) is one of the research hotspots in pattern recognition, which aims to extract information from tables in an image. Common table recognition tasks include table detection (TD), table structure recognition (TSR) and…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Fan Yang , Lei Hu , Xinwu Liu , Shuangping Huang , Zhenghui Gu

Abstract--- Table detection and extraction has been studied in the context of documents like reports, where tables are clearly outlined and stand out from the document structure visually. We study this topic in a rather more challenging…

Information Retrieval · Computer Science 2021-08-20 Martin Holeček , Antonín Hoskovec , Petr Baudiš , Pavel Klinger