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Related papers: Improving OCR Accuracy on Early Printed Books by u…

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Kindai documents, written in modern Japanese from the late 19th to early 20th century, hold significant historical value for researchers studying societal structures, daily life, and environmental conditions of that period. However,…

Computer Vision and Pattern Recognition · Computer Science 2025-08-13 Anh Le , Asanobu Kitamoto

Chinese Spelling Correction (CSC) commonly lacks large-scale high-quality corpora, due to the labor-intensive labeling of spelling errors in real-life human writing or typing scenarios. Two data augmentation methods are widely adopted: (1)…

Computation and Language · Computer Science 2024-07-23 Dingyao Yu , Yang An , Wei Ye , Xiongfeng Xiao , Shaoguang Mao , Tao Ge , Shikun Zhang

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

Scientific articles published prior to the "age of digitization" (~1997) require Optical Character Recognition (OCR) to transform scanned documents into machine-readable text, a process that often produces errors. We develop a pipeline for…

Digital Libraries · Computer Science 2023-09-22 Jill P. Naiman , Morgan G. Cosillo , Peter K. G. Williams , Alyssa Goodman

Teaching Computer Science (CS) by having students write programs by hand on paper has key pedagogical advantages: It allows focused learning and requires careful thinking compared to the use of Integrated Development Environments (IDEs)…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Md Sazzad Islam , Moussa Koulako Bala Doumbouya , Christopher D. Manning , Chris Piech

The type used to print an early modern book can give scholars valuable information about the time and place of its production as well as its producer. Recognizing such type is currently done manually using both the character shapes of `M'…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Vincent Christlein , Nikolaus Weichselbaumer , Saskia Limbach , Mathias Seuret

In the absence of ground truth it is not possible to automatically determine the exact spectrum and occurrences of OCR errors in an OCR'ed text. Yet, for interactive postcorrection of OCR'ed historical printings it is extremely useful to…

Computer Vision and Pattern Recognition · Computer Science 2017-01-20 Florian Fink , Klaus-U. Schulz , Uwe Springmann

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

Intuitively, human readers cope easily with errors in text; typos, misspelling, word substitutions, etc. do not unduly disrupt natural reading. Previous work indicates that letter transpositions result in increased reading times, but it is…

Computation and Language · Computer Science 2019-05-21 Michael Hahn , Frank Keller , Yonatan Bisk , Yonatan Belinkov

A great deal of historical corpora suffer from errors introduced by the OCR (optical character recognition) methods used in the digitization process. Correcting these errors manually is a time-consuming process and a great part of the…

Computation and Language · Computer Science 2020-07-23 Mika Hämäläinen , Simon Hengchen

This project undertakes the training and analysis of optical character recognition OCR methods applied to 10th century ancient Tamil inscriptions discovered on the walls of the Brihadeeswarar Temple.The chosen OCR methods include…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Velmathi G , Shangavelan M , Harish D , Krithikshun M S

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

In this paper, we propose a data augmentation framework for Optical Character Recognition (OCR). The proposed framework is able to synthesize new viewing angles and illumination scenarios, effectively enriching any available OCR dataset.…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Andreas Spruck , Maximiliane Hawesch , Anatol Maier , Christian Riess , Jürgen Seiler , André Kaup

Many studies on (Offline) Handwritten Text Recognition (HTR) systems have focused on building state-of-the-art models for line recognition on small corpora. However, adding HTR capability to a large scale multilingual OCR system poses new…

Computer Vision and Pattern Recognition · Computer Science 2019-06-18 R. Reeve Ingle , Yasuhisa Fujii , Thomas Deselaers , Jonathan Baccash , Ashok C. Popat

The objective of the paper is to recognize handwritten samples of Roman numerals using Tesseract open source Optical Character Recognition (OCR) engine. Tesseract is trained with data samples of different persons to generate one…

Computer Vision and Pattern Recognition · Computer Science 2010-03-31 Sandip Rakshit , Amitava Kundu , Mrinmoy Maity , Subhajit Mandal , Satwika Sarkar , Subhadip Basu

Over the past decade, machine learning methods have given us driverless cars, voice recognition, effective web search, and a much better understanding of the human genome. Machine learning is so common today that it is used dozens of times…

Computer Vision and Pattern Recognition · Computer Science 2021-06-22 Omer Aydin

This research paper introduces a novel word-level Optical Character Recognition (OCR) model specifically designed for digital Urdu text, leveraging transformer-based architectures and attention mechanisms to address the distinct challenges…

Computer Vision and Pattern Recognition · Computer Science 2024-09-02 Ahmed Mustafa , Muhammad Tahir Rafique , Muhammad Ijlal Baig , Hasan Sajid , Muhammad Jawad Khan , Karam Dad Kallu

Recent works using artificial neural networks based on word distributed representation greatly boost the performance of various natural language learning tasks, especially question answering. Though, they also carry along with some…

Computation and Language · Computer Science 2016-12-23 Lingxun Meng , Yan Li , Mengyi Liu , Peng Shu

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

Modern end-to-end speech recognition models show astonishing results in transcribing audio signals into written text. However, conventional data feeding pipelines may be sub-optimal for low-resource speech recognition, which still remains a…

Audio and Speech Processing · Electrical Eng. & Systems 2022-02-21 Anastasia Kuznetsova , Anurag Kumar , Jennifer Drexler Fox , Francis Tyers