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Information extraction (IE) for visually-rich documents (VRDs) has achieved SOTA performance recently thanks to the adaptation of Transformer-based language models, which shows the great potential of pre-training methods. In this paper, we…

Artificial Intelligence · Computer Science 2021-07-07 Tuan-Anh D. Nguyen , Hieu M. Vu , Nguyen Hong Son , Minh-Tien Nguyen

Despite the growing adoption of electronic health records, many processes still rely on paper documents, reflecting the heterogeneous real-world conditions in which healthcare is delivered. The manual transcription process is time-consuming…

Information extraction from semi-structured business documents remains a critical challenge for enterprise management. This study evaluates the capability of general-purpose Large Language Models to extract structured information from…

Computation and Language · Computer Science 2026-04-30 Javier Gómez , Javier Sánchez

Building document-grounded dialogue systems have received growing interest as documents convey a wealth of human knowledge and commonly exist in enterprises. Wherein, how to comprehend and retrieve information from documents is a…

Computation and Language · Computer Science 2022-07-15 Zhenyu Zhang , Bowen Yu , Haiyang Yu , Tingwen Liu , Cheng Fu , Jingyang Li , Chengguang Tang , Jian Sun , Yongbin Li

Academic documents are packed with texts, equations, tables, and figures, requiring comprehensive understanding for accurate Optical Character Recognition (OCR). While end-to-end OCR methods offer improved accuracy over layout-based…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Yu Sun , Dongzhan Zhou , Chen Lin , Conghui He , Wanli Ouyang , Han-Sen Zhong

Segmentation of a text-document into lines, words and characters, which is considered to be the crucial pre-processing stage in Optical Character Recognition (OCR) is traditionally carried out on uncompressed documents, although most of the…

Computer Vision and Pattern Recognition · Computer Science 2014-04-01 Mohammed Javed , P. Nagabhushan , B. B. Chaudhuri

Our interest in this paper is in meeting a rapidly growing industrial demand for information extraction from images of documents such as invoices, bills, receipts etc. In practice users are able to provide a very small number of example…

Artificial Intelligence · Computer Science 2019-06-07 Vishal Sunder , Ashwin Srinivasan , Lovekesh Vig , Gautam Shroff , Rohit Rahul

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

Commercial OCR packages work best with high-quality scanned images. They often produce poor results when the image is degraded, either because the original itself was poor quality, or because of excessive photocopying. The ability to…

Digital Libraries · Computer Science 2007-05-23 Roger T. Hartley , Kathleen Crumpton

Multimodal Large Language Models (MLLMs) enhance the potential of natural language processing. However, their actual impact on document information extraction remains unclear. In particular, it is unclear whether an MLLM-only…

Computation and Language · Computer Science 2026-03-04 Jiyuan Shen , Peiyue Yuan , Atin Ghosh , Yifan Mai , Daniel Dahlmeier

Recently, automatically extracting information from visually rich documents (e.g., tickets and resumes) has become a hot and vital research topic due to its widespread commercial value. Most existing methods divide this task into two…

Computer Vision and Pattern Recognition · Computer Science 2022-07-15 Zhanzhan Cheng , Peng Zhang , Can Li , Qiao Liang , Yunlu Xu , Pengfei Li , Shiliang Pu , Yi Niu , Fei Wu

Processing large amounts of data is an essential problem of the big data era. Most of the data exchange is done via direct communication (using APIs) and well-structured file formats (JSON, XML, EDI, etc.), but a significant portion of the…

Information Retrieval · Computer Science 2020-07-17 Vladimir Bernstein , Andrei Afanassenkov

Vision-Language Models (VLMs) excel in diverse visual tasks but face challenges in document understanding, which requires fine-grained text processing. While typical visual tasks perform well with low-resolution inputs, reading-intensive…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Mor Shpigel Nacson , Aviad Aberdam , Roy Ganz , Elad Ben Avraham , Alona Golts , Yair Kittenplon , Shai Mazor , Ron Litman

Structured information extraction from long, multilingual scanned financial documents is a core requirement in industrial KYC and compliance workflows. These documents are typically non machine readable, noisy, and visually heterogeneous.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-30 Yuxuan Han , Yuanxing Zhang , Yushuo Wang , Yichao Jin , Kenneth Zhu Ke , Jingyuan Zhao

Automating information extraction from form-like documents at scale is a pressing need due to its potential impact on automating business workflows across many industries like financial services, insurance, and healthcare. The key challenge…

Machine Learning · Computer Science 2022-01-14 Beliz Gunel , Navneet Potti , Sandeep Tata , James B. Wendt , Marc Najork , Jing Xie

Retrieval Augmented Generation (RAG) systems struggle with processing multimodal documents of varying structural complexity. This paper introduces a novel multi-strategy parsing approach using LLM-powered OCR to extract content from diverse…

Computation and Language · Computer Science 2024-12-23 Arnau Perez , Xavier Vizcaino

Table extraction has long been a pervasive problem in financial services. This is more challenging in the image domain, where content is locked behind cumbersome pixel format. Luckily, advances in deep learning for image segmentation, OCR,…

Computer Vision and Pattern Recognition · Computer Science 2024-05-10 William Watson , Bo Liu

Text is ubiquitous in our visual world, conveying crucial information, such as in documents, websites, and everyday photographs. In this work, we propose UReader, a first exploration of universal OCR-free visually-situated language…

Computer Vision and Pattern Recognition · Computer Science 2023-10-10 Jiabo Ye , Anwen Hu , Haiyang Xu , Qinghao Ye , Ming Yan , Guohai Xu , Chenliang Li , Junfeng Tian , Qi Qian , Ji Zhang , Qin Jin , Liang He , Xin Alex Lin , Fei Huang

A Text Finder, an android application that utilizes Optical Character Recognition (OCR) technology with the help of Google Cloud Vision API to extract text from images taken with the device camera or from existing images in the users phone.…

Computers and Society · Computer Science 2024-09-01 Milind Godase , Chandrani Singh , Kunal Dhongadi

Understanding document images (e.g., invoices) is a core but challenging task since it requires complex functions such as reading text and a holistic understanding of the document. Current Visual Document Understanding (VDU) methods…