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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…

计算机视觉与模式识别 · 计算机科学 2024-01-15 Zhenrong Zhang , Pengfei Hu , Jiefeng Ma , Jun Du , Jianshu Zhang , Huihui Zhu , Baocai Yin , Bing Yin , Cong Liu

Table structure recognition (TSR) aims to parse the inherent structure of a table from its input image. The `"split-and-merge" paradigm is a pivotal approach to parse table structure, where the table separation line detection is crucial.…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Chunxia Qin , Zhenrong Zhang , Pengfei Hu , Chenyu Liu , Jiefeng Ma , Jun Du

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,…

计算机视觉与模式识别 · 计算机科学 2025-10-20 Qiyu Hou , Jun Wang

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…

计算机视觉与模式识别 · 计算机科学 2022-09-01 Zengyuan Guo , Yuechen Yu , Pengyuan Lv , Chengquan Zhang , Haojie Li , Zhihui Wang , Kun Yao , Jingtuo Liu , Jingdong Wang

The task of table structure recognition aims to recognize the internal structure of a table, which is a key step to make machines understand tables. Currently, there are lots of studies on this task for different file formats such as ASCII…

信息检索 · 计算机科学 2019-08-29 Zewen Chi , Heyan Huang , Heng-Da Xu , Houjin Yu , Wanxuan Yin , Xian-Ling Mao

Tables organize valuable content in a concise and compact representation. This content is extremely valuable for systems such as search engines, Knowledge Graph's, etc, since they enhance their predictive capabilities. Unfortunately, tables…

计算机视觉与模式识别 · 计算机科学 2022-03-14 Ahmed Nassar , Nikolaos Livathinos , Maksym Lysak , Peter Staar

Table recognition is using the computer to automatically understand the table, to detect the position of the table from the document or picture, and to correctly extract and identify the internal structure and content of the table. After…

计算机视觉与模式识别 · 计算机科学 2023-12-11 Shi Jiyuan , Shi chunqi

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…

计算机视觉与模式识别 · 计算机科学 2020-03-05 Xu Zhong , Elaheh ShafieiBavani , Antonio Jimeno Yepes

This paper presents our solution for ICDAR 2021 competition on scientific literature parsing taskB: table recognition to HTML. In our method, we divide the table content recognition task into foursub-tasks: table structure recognition, text…

计算机视觉与模式识别 · 计算机科学 2021-05-06 Jiaquan Ye , Xianbiao Qi , Yelin He , Yihao Chen , Dengyi Gu , Peng Gao , Rong Xiao

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…

计算机视觉与模式识别 · 计算机科学 2023-03-30 Nam Tuan Ly , Atsuhiro Takasu

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…

计算机视觉与模式识别 · 计算机科学 2021-11-16 Sachin Raja , Ajoy Mondal , C V Jawahar

Table structure recognition (TSR) holds widespread practical importance by parsing tabular images into structured representations, yet encounters significant challenges when processing complex layouts involving merged or empty cells.…

计算机视觉与模式识别 · 计算机科学 2026-04-20 Boming Chen , Zining Wang , Zhentao Guo , Jianqiang Liu , Chen Duan , Yu Gu , Kai zhou , Pengfei Yan

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…

计算机视觉与模式识别 · 计算机科学 2021-12-03 Marcin Namysl , Alexander M. Esser , Sven Behnke , Joachim Köhler

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…

计算机视觉与模式识别 · 计算机科学 2022-03-11 Hao Liu , Xin Li , Bing Liu , Deqiang Jiang , Yinsong Liu , Bo Ren

The first phase of table recognition is to detect the tabular area in a document. Subsequently, the tabular structures are recognized in the second phase in order to extract information from the respective cells. Table detection and…

计算机视觉与模式识别 · 计算机科学 2021-05-11 Khurram Azeem Hashmi , Marcus Liwicki , Didier Stricker , Muhammad Adnan Afzal , Muhammad Ahtsham Afzal , Muhammad Zeshan Afzal

Tabular data in digital documents is widely used to express compact and important information for readers. However, it is challenging to parse tables from unstructured digital documents, such as PDFs and images, into machine-readable format…

计算机视觉与模式识别 · 计算机科学 2022-03-09 Bin Xiao , Murat Simsek , Burak Kantarci , Ala Abu Alkheir

The automated reconstruction of the logical arrangement of tables from image data, termed Table Structure Recognition (TSR), is fundamental for semantic data extraction. Recently, researchers have explored a wide range of techniques to…

计算机视觉与模式识别 · 计算机科学 2025-06-30 Nam Quan Nguyen , Xuan Phong Pham , Tuan-Anh Tran

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…

计算机视觉与模式识别 · 计算机科学 2023-07-13 Jiawei Wang , Weihong Lin , Chixiang Ma , Mingze Li , Zheng Sun , Lei Sun , Qiang Huo

Named entity recognition (NER) is one of the best studied tasks in natural language processing. However, most approaches are not capable of handling nested structures which are common in many applications. In this paper we introduce a novel…

计算与语言 · 计算机科学 2019-08-12 Joseph Fisher , Andreas Vlachos

Detecting glass regions is a challenging task due to the ambiguity of their transparency and reflection properties. These transparent glasses share the visual appearance of both transmitted arbitrary background scenes and reflected objects,…

计算机视觉与模式识别 · 计算机科学 2025-02-12 Jing Hao , Moyun Liu , Kuo Feng Hung
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