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Digital camera and mobile document image acquisition are new trends arising in the world of Optical Character Recognition and text detection. In some cases, such process integrates many distortions and produces poorly scanned text or…

Computer Vision and Pattern Recognition · Computer Science 2015-09-14 Abdeslam El Harraj , Naoufal Raissouni

Document alignment and registration play a crucial role in numerous real-world applications, such as automated form processing, anomaly detection, and workflow automation. Traditional methods for document alignment rely on image-based…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Ross Greer , Alisha Ukani , Katherine Izhikevich , Earlence Fernandes , Stefan Savage , Alex C. Snoeren

The number of published research papers has experienced exponential growth in recent years, which makes it crucial to develop new methods for efficient and versatile information extraction and knowledge discovery. To address this need, we…

Information Retrieval · Computer Science 2023-06-09 Yamei Tu , Rui Qiu , Han-Wei Shen

The amount of research articles produced every day is overwhelming: scholarly knowledge is getting harder to communicate and easier to get lost. A possible solution is to represent the information in knowledge graphs: structures…

Digital Libraries · Computer Science 2023-08-31 Denis Obrezkov , Allard Oelen , Sören Auer

Traditional OCR systems (OCR-1.0) are increasingly unable to meet people's usage due to the growing demand for intelligent processing of man-made optical characters. In this paper, we collectively refer to all artificial optical signals…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Haoran Wei , Chenglong Liu , Jinyue Chen , Jia Wang , Lingyu Kong , Yanming Xu , Zheng Ge , Liang Zhao , Jianjian Sun , Yuang Peng , Chunrui Han , Xiangyu Zhang

Optical character recognition (OCR) and document understanding systems increasingly rely on large vision and vision-language models, yet evaluation remains centered on modern, Western, and institutional documents. This emphasis masks system…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Fitsum Sileshi Beyene , Christopher L. Dancy

The advent of multimodal learning has brought a significant improvement in document AI. Documents are now treated as multimodal entities, incorporating both textual and visual information for downstream analysis. However, works in this…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Nikitha SR , Tarun Ram Menta , Mausoom Sarkar

This paper introduces DONUT-hole, a sparse OCR-free visual document understanding (VDU) model that addresses the limitations of its predecessor model, dubbed DONUT. The DONUT model, leveraging a transformer architecture, overcoming the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-13 Azhar Shaikh , Michael Cochez , Denis Diachkov , Michiel de Rijcke , Sahar Yousefi

This paper presents DavarOCR, an open-source toolbox for OCR and document understanding tasks. DavarOCR currently implements 19 advanced algorithms, covering 9 different task forms. DavarOCR provides detailed usage instructions and the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Liang Qiao , Hui Jiang , Ying Chen , Can Li , Pengfei Li , Zaisheng Li , Baorui Zou , Dashan Guo , Yingda Xu , Yunlu Xu , Zhanzhan Cheng , Yi Niu

Understanding information-dense documents like recipes and scientific papers requires readers to find, interpret, and connect details scattered across text, figures, tables, and other visual elements. These documents are often long and…

Human-Computer Interaction · Computer Science 2026-02-20 Alyssa Hwang , Hita Kambhamettu , Yue Yang , Ajay Patel , Joseph Chee Chang , Andrew Head

Automating the annotation of scanned documents is challenging, requiring a balance between computational efficiency and accuracy. DocParseNet addresses this by combining deep learning and multi-modal learning to process both text and visual…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Ahmad Mohammadshirazi , Ali Nosrati Firoozsalari , Mengxi Zhou , Dheeraj Kulshrestha , Rajiv Ramnath

Recent years in NLP have seen the continued development of domain-specific information extraction tools for scientific documents, alongside the release of increasingly multimodal pretrained transformer models. While the opportunity for…

Computation and Language · Computer Science 2025-06-25 Sireesh Gururaja , Yueheng Zhang , Guannan Tang , Tianhao Zhang , Kevin Murphy , Yu-Tsen Yi , Junwon Seo , Anthony Rollett , Emma Strubell

We present an approach for adapting convolutional neural networks for object recognition and classification to scientific literature layout detection (SLLD), a shared subtask of several information extraction problems. Scientific…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Huichen Yang , William H. Hsu

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

Recent advancements in deep neural networks have markedly enhanced the performance of computer vision tasks, yet the specialized nature of these networks often necessitates extensive data and high computational power. Addressing these…

Computer Vision and Pattern Recognition · Computer Science 2024-01-03 Jiayou Chao , Wei Zhu

PDF is one of the most prominent data formats, making PDF parsing crucial for information extraction and retrieval, particularly with the rise of RAG systems. While various PDF parsing tools exist, their effectiveness across different…

Information Retrieval · Computer Science 2025-04-04 Narayan S. Adhikari , Shradha Agarwal

Digitization of newspapers is of interest for many reasons including preservation of history, accessibility and search ability, etc. While digitization of documents such as scientific articles and magazines is prevalent in literature, one…

Computer Vision and Pattern Recognition · Computer Science 2022-02-04 Wenzhen Zhu , Negin Sokhandan , Guang Yang , Sujitha Martin , Suchitra Sathyanarayana

Academic knowledge services have substantially facilitated the development of the science enterprise by providing a plenitude of efficient research tools. However, many applications highly depend on ad-hoc models and expensive human…

Computation and Language · Computer Science 2022-10-04 Xiao Liu , Da Yin , Jingnan Zheng , Xingjian Zhang , Peng Zhang , Hongxia Yang , Yuxiao Dong , Jie Tang

Current language understanding approaches focus on small documents, such as newswire articles, blog posts, product reviews and discussion forum entries. Understanding and extracting information from large documents like legal briefs,…

Computation and Language · Computer Science 2017-09-05 Muhammad Mahbubur Rahman , Tim Finin

Despite improved digital access to scholarly literature in the last decades, the fundamental principles of scholarly communication remain unchanged and continue to be largely document-based. Scholarly knowledge remains locked in…

Digital Libraries · Computer Science 2022-06-06 Mohamad Yaser Jaradeh , Allard Oelen , Manuel Prinz , Markus Stocker , Sören Auer