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Related papers: Text Detection Forgot About Document OCR

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The problem of optical character recognition, OCR, has been widely discussed in the literature. Having a hand-written text, the program aims at recognizing the text. Even though there are several approaches to this issue, it is still an…

Computer Vision and Pattern Recognition · Computer Science 2014-11-07 Wei Wang

Documents are a core part of many businesses in many fields such as law, finance, and technology among others. Automatic understanding of documents such as invoices, contracts, and resumes is lucrative, opening up many new avenues of…

Computation and Language · Computer Science 2021-02-08 Nishant Subramani , Alexandre Matton , Malcolm Greaves , Adrian Lam

Thousands of users consult digital archives daily, but the information they can access is unrepresentative of the diversity of documentary history. The sequence-to-sequence architecture typically used for optical character recognition (OCR)…

Computer Vision and Pattern Recognition · Computer Science 2024-07-29 Jacob Carlson , Tom Bryan , Melissa Dell

Text image super-resolution is a challenging yet open research problem in the computer vision community. In particular, low-resolution images hamper the performance of typical optical character recognition (OCR) systems. In this article, we…

Computer Vision and Pattern Recognition · Computer Science 2015-06-09 Chao Dong , Ximei Zhu , Yubin Deng , Chen Change Loy , Yu Qiao

Some historical and more recent printed documents have been scanned or stored at very low resolutions, such as 60 dpi. Though such scans are relatively easy for humans to read, they still present significant challenges for optical character…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Julian D. Gilbey , Carola-Bibiane Schönlieb

For digitizing or indexing physical documents, Optical Character Recognition (OCR), the process of extracting textual information from scanned documents, is a vital technology. When a document is visually damaged or contains non-textual…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Oshri Naparstek , Ophir Azulai , Daniel Rotman , Yevgeny Burshtein , Peter Staar , Udi Barzelay

Text recognition is a long-standing research problem for document digitalization. Existing approaches are usually built based on CNN for image understanding and RNN for char-level text generation. In addition, another language model is…

Computation and Language · Computer Science 2022-09-07 Minghao Li , Tengchao Lv , Jingye Chen , Lei Cui , Yijuan Lu , Dinei Florencio , Cha Zhang , Zhoujun Li , Furu Wei

In the field of scene text spotting, previous OCR methods primarily relied on image encoders and pre-trained text information, but they often overlooked the advantages of incorporating human language instructions. To address this gap, we…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Chen Duan , Qianyi Jiang , Pei Fu , Jiamin Chen , Shengxi Li , Zining Wang , Shan Guo , Junfeng Luo

Automatic detection of scene texts in the wild is a challenging problem, particularly due to the difficulties in handling (i) occlusions of varying percentages, (ii) widely different scales and orientations, (iii) severe degradations in the…

Computer Vision and Pattern Recognition · Computer Science 2020-02-18 Kinjal Dasgupta , Sudip Das , Ujjwal Bhattacharya

This paper describes the COCO-Text dataset. In recent years large-scale datasets like SUN and Imagenet drove the advancement of scene understanding and object recognition. The goal of COCO-Text is to advance state-of-the-art in text…

Computer Vision and Pattern Recognition · Computer Science 2016-06-21 Andreas Veit , Tomas Matera , Lukas Neumann , Jiri Matas , Serge Belongie

Retrieval-Augmented Generation (RAG) has become a popular technique for enhancing the reliability and utility of Large Language Models (LLMs) by grounding responses in external documents. Traditional RAG systems rely on Optical Character…

Computer Vision and Pattern Recognition · Computer Science 2025-05-12 Alexander Most , Joseph Winjum , Ayan Biswas , Shawn Jones , Nishath Rajiv Ranasinghe , Dan O'Malley , Manish Bhattarai

Diacritic characters can be considered as a unique set of characters providing us with adequate and significant clue in identifying a given language with considerably high accuracy. Diacritics, though associated with phonetics often serve…

Computer Vision and Pattern Recognition · Computer Science 2021-12-07 Shubham Vatsal , Nikhil Arora , Gopi Ramena , Sukumar Moharana , Dhruval Jain , Naresh Purre , Rachit S Munjal

In a world of digitization, optical character recognition holds the automation to written history. Optical character recognition system basically converts printed images into editable texts for better storage and usability. To be completely…

Computer Vision and Pattern Recognition · Computer Science 2021-01-06 Abu Saleh Md. Abir , Sanjana Rahman , Samia Ellin , Maisha Farzana , Md Hridoy Manik , Chowdhury Rafeed Rahman

Information Extraction from visually rich documents is a challenging task that has gained a lot of attention in recent years due to its importance in several document-control based applications and its widespread commercial value. The…

Computer Vision and Pattern Recognition · Computer Science 2023-05-03 Mohamed Dhouib , Ghassen Bettaieb , Aymen Shabou

Despite significant advances in document understanding, determining the correct orientation of scanned or photographed documents remains a critical pre-processing step in the real world settings. Accurate rotation correction is essential…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Suranjan Goswami , Abhinav Ravi , Raja Kolla , Ali Faraz , Shaharukh Khan , Akash , Chandra Khatri , Shubham Agarwal

Scene text recognition has made significant progress in recent years and has become an important part of the work-flow. The widespread use of mobile devices opens up wide possibilities for using OCR technologies in everyday life. However,…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Nathan Zachary , Gerald Carl , Russell Elijah , Hessi Roma , Robert Leer , James Amelia

Optical Character Recognition has been a challenging field in the advent of digital computers. It is needed where information is to be readable both to humans and machines. The process of OCR is composed of a set of pre and post processing…

Computer Vision and Pattern Recognition · Computer Science 2018-01-04 Chinmay Chinara , Nishant Nath , Subhajeet Mishra , Sangram Keshari Sahoo , Farida Ashraf Ali

Recently, scene text detection has become an active research topic in computer vision and document analysis, because of its great importance and significant challenge. However, vast majority of the existing methods detect text within local…

Computer Vision and Pattern Recognition · Computer Science 2016-07-06 Cong Yao , Xiang Bai , Nong Sang , Xinyu Zhou , Shuchang Zhou , Zhimin Cao

Text detection in the wild is a well-known problem that becomes more challenging while handling multiple scripts. In the last decade, some scripts have gained the attention of the research community and achieved good detection performance.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-01 Prateek Keserwani , Taveena Lotey , Rohit Keshari , Partha Pratim Roy

In this paper, we propose a novel method based on character sequence-to-sequence models to correct documents already processed with Optical Character Recognition (OCR) systems. The main contribution of this paper is a set of strategies to…

Computation and Language · Computer Science 2022-01-26 Juan Ramirez-Orta , Eduardo Xamena , Ana Maguitman , Evangelos Milios , Axel J. Soto