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Text Recognition is one of the challenging tasks of computer vision with considerable practical interest. Optical character recognition (OCR) enables different applications for automation. This project focuses on word detection and…

Computer Vision and Pattern Recognition · Computer Science 2020-04-20 Ebin Zacharias , Martin Teuchler , Bénédicte Bernier

A typical information extraction pipeline consists of token- or span-level classification models coupled with a series of pre- and post-processing scripts. In a production pipeline, requirements often change, with classes being added and…

Artificial Intelligence · Computer Science 2022-01-19 Ramon Pires , Fábio C. de Souza , Guilherme Rosa , Roberto A. Lotufo , Rodrigo Nogueira

This paper proposes OCR++, an open-source framework designed for a variety of information extraction tasks from scholarly articles including metadata (title, author names, affiliation and e-mail), structure (section headings and body text,…

Good OCR results for historical printings rely on the availability of recognition models trained on diplomatic transcriptions as ground truth, which is both a scarce resource and time-consuming to generate. Instead of having to train a…

Digital Libraries · Computer Science 2016-10-21 U. Springmann , F. Fink , K. U. Schulz

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

In this paper, we create benchmarks and assess the effectiveness of error correction methods for Japanese vouchers in OCR (Optical Character Recognition) systems. It is essential for automation processing to correctly recognize scanned…

Computation and Language · Computer Science 2024-10-01 Masato Fujitake

In this paper, we present an Optical Character Recognition (OCR) system specifically designed for the accurate recognition and digitization of Greek polytonic texts. By leveraging the combined strengths of convolutional layers for feature…

Computer Vision and Pattern Recognition · Computer Science 2025-06-27 Perifanos Konstantinos , Goutsos Dionisis

Grammatical error correction can be viewed as a low-resource sequence-to-sequence task, because publicly available parallel corpora are limited. To tackle this challenge, we first generate erroneous versions of large unannotated corpora…

Computation and Language · Computer Science 2019-07-03 Yo Joong Choe , Jiyeon Ham , Kyubyong Park , Yeoil Yoon

Recent work has shown that by approximating the behaviour of a non-differentiable black-box function using a neural network, the black-box can be integrated into a differentiable training pipeline for end-to-end training. This methodology…

Computer Vision and Pattern Recognition · Computer Science 2023-06-26 Ganesh Tata , Katyani Singh , Eric Van Oeveren , Nilanjan Ray

Text detection and recognition are essential components of a modern OCR system. Most OCR approaches attempt to obtain accurate bounding boxes of text at the detection stage, which is used as the input of the text recognition stage. We…

Computer Vision and Pattern Recognition · Computer Science 2022-07-27 Jingqun Tang , Wenming Qian , Luchuan Song , Xiena Dong , Lan Li , Xiang Bai

Natural language correction has the potential to help language learners improve their writing skills. While approaches with separate classifiers for different error types have high precision, they do not flexibly handle errors such as…

Computation and Language · Computer Science 2016-04-01 Ziang Xie , Anand Avati , Naveen Arivazhagan , Dan Jurafsky , Andrew Y. Ng

Printed text recognition is an important problem for industrial OCR systems. Printed text is constructed in a standard procedural fashion in most settings. We develop a mathematical model for this process that can be applied to the backward…

Computer Vision and Pattern Recognition · Computer Science 2018-11-29 Wei Tang , John Corring , Ying Wu , Gang Hua

Optical character recognition (OCR) technology has been widely used in various scenes, as shown in Figure 1. Designing a practical OCR system is still a meaningful but challenging task. In previous work, considering the efficiency and…

Computer Vision and Pattern Recognition · Computer Science 2022-06-15 Chenxia Li , Weiwei Liu , Ruoyu Guo , Xiaoting Yin , Kaitao Jiang , Yongkun Du , Yuning Du , Lingfeng Zhu , Baohua Lai , Xiaoguang Hu , Dianhai Yu , Yanjun Ma

Kurdish libraries have many historical publications that were printed back in the early days when printing devices were brought to Kurdistan. Having a good Optical Character Recognition (OCR) to help process these publications and…

Computation and Language · Computer Science 2024-04-10 Blnd Yaseen , Hossein Hassani

Optical character recognition (OCR) has evolved from line-level transcription to structured document parsing, requiring models to recover long-form sequences containing layout, tables, and formulas. Despite recent advances in…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Hejun Dong , Junbo Niu , Bin Wang , Weijun Zeng , Wentao Zhang , Conghui He

This thesis addresses automatic lexical error recovery and tokenization of corrupt text input. We propose a technique that can automatically correct misspellings, segmentation errors and real-word errors in a unified framework that uses…

cmp-lg · Computer Science 2009-09-25 Peter Ingels

Optical character recognition (OCR) is a fundamental problem in computer vision. Research studies have shown significant progress in classifying printed characters using deep learning-based methods and topologies. Among current algorithms,…

Computer Vision and Pattern Recognition · Computer Science 2018-04-12 Saman Sarraf

Large Vision-Language Models (VLMs) have demonstrated significant potential on complex visual understanding tasks through iterative optimization methods.However, these models generally lack effective self-correction mechanisms, making it…

Computer Vision and Pattern Recognition · Computer Science 2026-02-25 Shimin Wen , Zeyu Zhang , Xingdou Bian , Hongjie Zhu , Lulu He , Layi Shama , Daji Ergu , Ying Cai

Despite the existence of numerous Optical Character Recognition (OCR) tools, the lack of comprehensive open-source systems hampers the progress of document digitization in various low-resource languages, including Bengali. Low-resource…

In computing, spell checking is the process of detecting and sometimes providing spelling suggestions for incorrectly spelled words in a text. Basically, a spell checker is a computer program that uses a dictionary of words to perform spell…

Computation and Language · Computer Science 2012-04-27 Youssef Bassil , Mohammad Alwani