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Related papers: Complicated Table Structure Recognition

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We present a novel deep-learning-based method to cluster words in documents which we apply to detect and recognize tables given the OCR output. We interpret table structure bottom-up as a graph of relations between pairs of words (belonging…

Machine Learning · Computer Science 2024-05-24 Marek Polewczyk , Marco Spinaci

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

Documents are often used for knowledge sharing and preservation in business and science, within which are tables that capture most of the critical data. Unfortunately, most documents are stored and distributed as PDF or scanned images,…

Computer Vision and Pattern Recognition · Computer Science 2020-12-03 Xinyi Zheng , Doug Burdick , Lucian Popa , Xu Zhong , Nancy Xin Ru Wang

Scientific documents contain tables that list important information in a concise fashion. Structure and content extraction from tables embedded within PDF research documents is a very challenging task due to the existence of visual features…

Information Retrieval · Computer Science 2022-11-01 Pratik Kayal , Mrinal Anand , Harsh Desai , Mayank Singh

Table structure recognition is an indispensable element for enabling machines to comprehend tables. Its primary purpose is to identify the internal structure of a table. Nevertheless, due to the complexity and diversity of their structure…

Computer Vision and Pattern Recognition · Computer Science 2024-01-15 Zhenrong Zhang , Pengfei Hu , Jiefeng Ma , Jun Du , Jianshu Zhang , Huihui Zhu , Baocai Yin , Bing Yin , Cong Liu

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

Table structure recognition is a crucial part of document image analysis domain. Its difficulty lies in the need to parse the physical coordinates and logical indices of each cell at the same time. However, the existing methods are…

Computer Vision and Pattern Recognition · Computer Science 2022-09-01 Zengyuan Guo , Yuechen Yu , Pengyuan Lv , Chengquan Zhang , Haojie Li , Zhihui Wang , Kun Yao , Jingtuo Liu , Jingdong Wang

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

Image-based table recognition is a challenging task due to the diversity of table styles and the complexity of table structures. Most of the previous methods focus on a non-end-to-end approach which divides the problem into two separate…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Nam Tuan Ly , Atsuhiro Takasu

To address the challenges of table structure recognition, we propose a novel Split-Merge-based top-down model optimized for large, densely populated tables. Our approach formulates row and column splitting as sequence labeling tasks,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Qiyu Hou , Jun Wang

We present a novel methodology to jointly perform multi-task learning and infer intrinsic relationship among tasks by an interpretable and sparse graph. Unlike existing multi-task learning methodologies, the graph structure is not assumed…

Machine Learning · Computer Science 2020-09-15 Shujian Yu , Francesco Alesiani , Ammar Shaker , Wenzhe Yin

Tabular data is a crucial form of information expression, which can organize data in a standard structure for easy information retrieval and comparison. However, in financial industry and many other fields tables are often disclosed in…

Computer Vision and Pattern Recognition · Computer Science 2020-03-18 Yiren Li , Zheng Huang , Junchi Yan , Yi Zhou , Fan Ye , Xianhui Liu

The global Information and Communications Technology (ICT) supply chain is a complex network consisting of all types of participants. It is often formulated as a Social Network to discuss the supply chain network's relations, properties,…

Computer Vision and Pattern Recognition · Computer Science 2022-11-07 Bin Xiao , Yakup Akkaya , Murat Simsek , Burak Kantarci , Ala Abu Alkheir

Automated document processing for tabular information extraction is highly desired in many organizations, from industry to government. Prior works have addressed this problem under table detection and table structure detection tasks.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Yakup Akkaya , Murat Simsek , Burak Kantarci , Shahzad Khan

Table structure recognition (TSR) requires both table-level coherence (row/column counts, headers, spanning cells) and precise separator localization. We introduce FastTab, a grid-centric TSR model that avoids autoregressive HTML decoding…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Laziz Hamdi , Amine Tamasna , Pascal Boisson , Thierry Paquet

Table structure recognition (TSR) aims at extracting tables in images into machine-understandable formats. Recent methods solve this problem by predicting the adjacency relations of detected cell boxes, or learning to generate the…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Hangdi Xing , Feiyu Gao , Rujiao Long , Jiajun Bu , Qi Zheng , Liangcheng Li , Cong Yao , Zhi Yu

Table Structure Recognition (TSR) requires the logical reasoning ability of large language models (LLMs) to handle complex table layouts, but current datasets are limited in scale and quality, hindering effective use of this reasoning…

Databases · Computer Science 2026-04-16 Ruilin Zhang , Kai Yang

Table structure recognition (TSR) aims to convert tabular images into a machine-readable format, where a visual encoder extracts image features and a textual decoder generates table-representing tokens. Existing approaches use classic…

Computer Vision and Pattern Recognition · Computer Science 2023-11-10 ShengYun Peng , Seongmin Lee , Xiaojing Wang , Rajarajeswari Balasubramaniyan , Duen Horng Chau

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

Tables form a central component in both exploratory data analysis and formal reporting procedures across many industries. These tables are often complex in their conceptual structure and in the computations that generate their individual…

Computation · Statistics 2023-06-30 Gabriel Becker , Adrian Waddell