English
Related papers

Related papers: Table Structure Recognition using Top-Down and Bot…

200 papers

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

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 2022-08-10 Weihong Lin , Zheng Sun , Chixiang Ma , Mingze Li , Jiawei Wang , Lei Sun , Qiang Huo

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

Extracting tables from documents is a crucial task in any document conversion pipeline. Recently, transformer-based models have demonstrated that table-structure can be recognized with impressive accuracy using Image-to-Markup-Sequence…

Computer Vision and Pattern Recognition · Computer Science 2023-05-08 Maksym Lysak , Ahmed Nassar , Nikolaos Livathinos , Christoph Auer , Peter Staar

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

Automatic table detection in PDF documents has achieved a great success but tabular data extraction are still challenging due to the integrity and noise issues in detected table areas. The accurate data extraction is extremely crucial in…

Computation and Language · Computer Science 2022-05-24 Siwen Luo , Mengting Wu , Yiwen Gong , Wanying Zhou , Josiah Poon

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

Document structure analysis (aka document layout analysis) is crucial for understanding the physical layout and logical structure of documents, with applications in information retrieval, document summarization, knowledge extraction, etc.…

Computer Vision and Pattern Recognition · Computer Science 2024-03-29 Jiawei Wang , Kai Hu , Zhuoyao Zhong , Lei Sun , Qiang Huo

Table structure recognition is an essential part for making machines understand tables. Its main task is to recognize the internal structure of a table. However, due to the complexity and diversity in their structure and style, it is very…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Zhenrong Zhang , Jianshu Zhang , Jun Du

Structure information is critical for understanding the semantics of text-rich images, such as documents, tables, and charts. Existing Multimodal Large Language Models (MLLMs) for Visual Document Understanding are equipped with text…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Anwen Hu , Haiyang Xu , Jiabo Ye , Ming Yan , Liang Zhang , Bo Zhang , Chen Li , Ji Zhang , Qin Jin , Fei Huang , Jingren Zhou

Recently, table structure recognition has achieved impressive progress with the help of deep graph models. Most of them exploit single visual cues of tabular elements or simply combine visual cues with other modalities via early fusion to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-11 Hao Liu , Xin Li , Bing Liu , Deqiang Jiang , Yinsong Liu , Bo Ren

Recent advancements in the area of Computer Vision with state-of-art Neural Networks has given a boost to Optical Character Recognition (OCR) accuracies. However, extracting characters/text alone is often insufficient for relevant…

Computer Vision and Pattern Recognition · Computer Science 2018-12-17 Vishwanath D , Rohit Rahul , Gunjan Sehgal , Swati , Arindam Chowdhury , Monika Sharma , Lovekesh Vig , Gautam Shroff , Ashwin Srinivasan

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

Tables are widely used in several types of documents since they can bring important information in a structured way. 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 Andrea Gemelli , Emanuele Vivoli , Simone Marinai

This study explores three approaches to processing table data in scientific papers to enhance extractive question answering and develop a software tool for the systematic review process. The methods evaluated include: (1) Optical Character…

Information Retrieval · Computer Science 2025-08-27 Dongyoun Kim , Hyung-do Choi , Youngsun Jang , John Kim

Document structure extraction has been a widely researched area for decades with recent works performing it as a semantic segmentation task over document images using fully-convolution networks. Such methods are limited by image resolution…

Machine Learning · Computer Science 2021-07-12 Milan Aggarwal , Hiresh Gupta , Mausoom Sarkar , Balaji Krishnamurthy

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

Document structure analysis, such as zone segmentation and table recognition, is a complex problem in document processing and is an active area of research. The recent success of deep learning in solving various computer vision and machine…

Computer Vision and Pattern Recognition · Computer Science 2019-07-04 Shah Rukh Qasim , Hassan Mahmood , Faisal Shafait

Table Detection (TD) is a fundamental task to enable visually rich document understanding, which requires the model to extract information without information loss. However, popular Intersection over Union (IoU) based evaluation metrics and…

Computer Vision and Pattern Recognition · Computer Science 2023-12-07 Bin Xiao , Murat Simsek , Burak Kantarci , Ala Abu Alkheir

Existing metrics used to evaluate table structure recognition algorithms have shortcomings with regard to capturing text and empty cells alignment. In this paper, we build on prior work and propose a new metric - TEDS based IOU similarity…

Computer Vision and Pattern Recognition · Computer Science 2022-08-02 Tarun Kumar , Himanshu Sharad Bhatt