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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

Pre-training of text and layout has proved effective in a variety of visually-rich document understanding tasks due to its effective model architecture and the advantage of large-scale unlabeled scanned/digital-born documents. We propose…

Computation and Language · Computer Science 2022-01-11 Yang Xu , Yiheng Xu , Tengchao Lv , Lei Cui , Furu Wei , Guoxin Wang , Yijuan Lu , Dinei Florencio , Cha Zhang , Wanxiang Che , Min Zhang , Lidong Zhou

Page layout analysis is a fundamental step in document processing which enables to segment a page into regions of interest. With highly complex layouts and mixed scripts, scholarly commentaries are text-heavy documents which remain…

Information Retrieval · Computer Science 2022-12-29 Najem-Meyer Sven , Romanello Matteo

Document understanding tasks, in particular, Visually-rich Document Entity Retrieval (VDER), have gained significant attention in recent years thanks to their broad applications in enterprise AI. However, publicly available data have been…

Computation and Language · Computer Science 2023-10-27 Lijun Yu , Jin Miao , Xiaoyu Sun , Jiayi Chen , Alexander G. Hauptmann , Hanjun Dai , Wei Wei

Due to the complex layouts of documents, it is challenging to extract information for documents. Most previous studies develop multimodal pre-trained models in a self-supervised way. In this paper, we focus on the embedding learning of word…

Computation and Language · Computer Science 2022-08-01 Song Tao , Zijian Wang , Tiantian Fan , Canjie Luo , Can Huang

Document content extraction is a critical task in computer vision, underpinning the data needs of large language models (LLMs) and retrieval-augmented generation (RAG) systems. Despite recent progress, current document parsing methods have…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Linke Ouyang , Yuan Qu , Hongbin Zhou , Jiawei Zhu , Rui Zhang , Qunshu Lin , Bin Wang , Zhiyuan Zhao , Man Jiang , Xiaomeng Zhao , Jin Shi , Fan Wu , Pei Chu , Minghao Liu , Zhenxiang Li , Chao Xu , Bo Zhang , Botian Shi , Zhongying Tu , Conghui He

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…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Khurram Azeem Hashmi , Marcus Liwicki , Didier Stricker , Muhammad Adnan Afzal , Muhammad Ahtsham Afzal , Muhammad Zeshan Afzal

Pre-trained language models (PLM) have demonstrated their effectiveness for a broad range of information retrieval and natural language processing tasks. As the core part of PLM, multi-head self-attention is appealing for its ability to…

Computation and Language · Computer Science 2022-04-07 Shanshan Wang , Zhumin Chen , Zhaochun Ren , Huasheng Liang , Qiang Yan , Pengjie Ren

Transformer-based Language Models are widely used in Natural Language Processing related tasks. Thanks to their pre-training, they have been successfully adapted to Information Extraction in business documents. However, most pre-training…

Computation and Language · Computer Science 2023-09-12 Thibault Douzon , Stefan Duffner , Christophe Garcia , Jérémy Espinas

Document image parsing is challenging due to its complexly intertwined elements such as text paragraphs, figures, formulas, and tables. Current approaches either assemble specialized expert models or directly generate page-level content…

Computer Vision and Pattern Recognition · Computer Science 2025-05-21 Hao Feng , Shu Wei , Xiang Fei , Wei Shi , Yingdong Han , Lei Liao , Jinghui Lu , Binghong Wu , Qi Liu , Chunhui Lin , Jingqun Tang , Hao Liu , Can Huang

Document Reading Order Recovery is a fundamental task in document image understanding, playing a pivotal role in enhancing Retrieval-Augmented Generation (RAG) and serving as a critical preprocessing step for large language models (LLMs).…

Computer Vision and Pattern Recognition · Computer Science 2026-01-29 Shuai Liu , Youmeng Li , Jizeng Wei

Understanding documents with rich layouts is an essential step towards information extraction. Business intelligence processes often require the extraction of useful semantic content from documents at a large scale for subsequent…

Computer Vision and Pattern Recognition · Computer Science 2022-09-22 Sanket Biswas , Ayan Banerjee , Josep Lladós , Umapada Pal

A well-designed document communicates not only through its words but also through its visual eloquence. Authors utilize aesthetic elements such as colors, fonts, graphics, and layouts to shape the perception of information. Thoughtful…

Artificial Intelligence · Computer Science 2024-03-28 Hsiu-Wei Yang , Abhinav Agrawal , Pavlos Fragkogiannis , Shubham Nitin Mulay

The better accuracy and efficiency trade-off has been a challenging problem in object detection. In this work, we are dedicated to studying key optimizations and neural network architecture choices for object detection to improve accuracy…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Guanghua Yu , Qinyao Chang , Wenyu Lv , Chang Xu , Cheng Cui , Wei Ji , Qingqing Dang , Kaipeng Deng , Guanzhong Wang , Yuning Du , Baohua Lai , Qiwen Liu , Xiaoguang Hu , Dianhai Yu , Yanjun Ma

Document layout comprises both structural and visual (eg. font-sizes) information that is vital but often ignored by machine learning models. The few existing models which do use layout information only consider textual contents, and…

Computation and Language · Computer Science 2021-04-20 Te-Lin Wu , Cheng Li , Mingyang Zhang , Tao Chen , Spurthi Amba Hombaiah , Michael Bendersky

Foundation models, such as large language models (LLMs), have the potential to streamline evaluation workflows and improve their performance. However, practical adoption faces challenges, such as customisability, accuracy, and scalability.…

Information Retrieval · Computer Science 2025-11-11 Hao Zhang , Qinghua Lu , Liming Zhu

Over recent years, an increasing amount of compute and data has been poured into training large language models (LLMs), usually by doing one-pass learning on as many tokens as possible randomly selected from large-scale web corpora. While…

Computation and Language · Computer Science 2023-08-24 Kushal Tirumala , Daniel Simig , Armen Aghajanyan , Ari S. Morcos

Extracting information from unstructured text documents is a demanding task, since these documents can have a broad variety of different layouts and a non-trivial reading order, like it is the case for multi-column documents or nested…

Artificial Intelligence · Computer Science 2022-02-08 Matthias Engelbach , Dennis Klau , Jens Drawehn , Maximilien Kintz

Understanding the contents of multimodal documents is essential to accurately extract relevant evidence and use it for reasoning. Existing document understanding models tend to generate answers with a single word or phrase directly,…

Information Retrieval · Computer Science 2024-08-15 Jinxu Zhang

Visual Document Retrieval (VDR) models mostly rely on late interaction architectures, in which documents are represented by a set of local patch embeddings and then matched against query tokens. While efficient, this architecture…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Pascal Tilli , Mohsen Mesgar