English
Related papers

Related papers: Improving OCR Quality in 19th Century Historical D…

200 papers

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

The information provided by historical documents has always been indispensable in the transmission of human civilization, but it has also made these books susceptible to damage due to various factors. Thanks to recent technology, the…

Computer Vision and Pattern Recognition · Computer Science 2021-04-06 Chia-Wei Tang , Chao-Lin Liu , Po-Sen Chiu

Date estimation of historical document images is a challenging problem, with several contributions in the literature that lack of the ability to generalize from one dataset to others. This paper presents a robust date estimation system…

Computer Vision and Pattern Recognition · Computer Science 2022-04-11 Adrià Molina , Lluis Gomez , Oriol Ramos Terrades , Josep Lladós

Financial documents are essential sources of information for regulators, auditors, and financial institutions, particularly for assessing the wealth and compliance of Small and Medium-sized Businesses. However, SMB documents are often…

Information Retrieval · Computer Science 2025-10-28 Yichao Jin , Yushuo Wang , Qishuai Zhong , Kent Chiu Jin-Chun , Kenneth Zhu Ke , Donald MacDonald

Retrieval-augmented Generation (RAG) enhances Large Language Models (LLMs) by integrating external knowledge to reduce hallucinations and incorporate up-to-date information without retraining. As an essential part of RAG, external knowledge…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Junyuan Zhang , Qintong Zhang , Bin Wang , Linke Ouyang , Zichen Wen , Ying Li , Ka-Ho Chow , Conghui He , Wentao Zhang

Modern research increasingly relies on automated methods to assist researchers. An example of this is Optical Chemical Structure Recognition (OCSR), which aids chemists in retrieving information about chemicals from large amounts of…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Thomas Jurriaans , Kinga Szarkowska , Eric Nalisnick , Markus Schwoerer , Camilo Thorne , Saber Akhondi

Extracting fine-grained OCR text from aged documents in diacritic languages remains challenging due to unexpected artifacts, time-induced degradation, and lack of datasets. While standalone spell correction approaches have been proposed,…

Computation and Language · Computer Science 2025-02-28 Thao Do , Dinh Phu Tran , An Vo , Daeyoung Kim

Structure extraction from document images has been a long-standing research topic due to its high impact on a wide range of practical applications. In this paper, we share our findings on employing a hierarchical semantic segmentation…

Computer Vision and Pattern Recognition · Computer Science 2020-09-18 Mausoom Sarkar , Milan Aggarwal , Arneh Jain , Hiresh Gupta , Balaji Krishnamurthy

The correct detection of dense article layout and the recognition of characters in historical newspaper pages remains a challenging requirement for Natural Language Processing (NLP) and machine learning applications on historical newspapers…

Digital Libraries · Computer Science 2025-06-17 Christian Schultze , Niklas Kerkfeld , Kara Kuebart , Princilia Weber , Moritz Wolter , Felix Selgert

In the age of information overload, content management for online news articles relies on efficient summarization to enhance accessibility and user engagement. This article addresses the challenge of extractive text summarization by…

Machine Learning · Computer Science 2025-09-22 Sajib Biswas , Milon Biswas , Arunima Mandal , Fatema Tabassum Liza , Joy Sarker

Operating systems include many heuristic algorithms designed to improve overall storage performance and throughput. Because such heuristics cannot work well for all conditions and workloads, system designers resorted to exposing numerous…

A common approach for improving OCR quality is a post-processing step based on models correcting misdetected characters and tokens. These models are typically trained on aligned pairs of OCR read text and their manually corrected…

Computation and Language · Computer Science 2019-06-27 Kai Hakala , Aleksi Vesanto , Niko Miekka , Tapio Salakoski , Filip Ginter

Historical handwritten text recognition (HTR) is essential for unlocking the cultural and scholarly value of archival documents, yet digitization is often hindered by scarce transcriptions, linguistic variation, and highly diverse…

Computer Vision and Pattern Recognition · Computer Science 2025-08-18 Erez Meoded

This paper introduces a multi-level, multi-label text classification dataset comprising over 3000 documents. The dataset features literary and critical texts from 19th-century Ottoman Turkish and Russian. It is the first study to apply…

Computation and Language · Computer Science 2024-07-23 Gokcen Gokceoglu , Devrim Cavusoglu , Emre Akbas , Özen Nergis Dolcerocca

We present a two-component Machine Learning (ML) based approach for classifying astronomical images by data-quality via an examination of sources detected in the images and image pixel values from representative sources within those images.…

Instrumentation and Methods for Astrophysics · Physics 2020-04-01 Hossen Teimoorinia , J. J. Kavelaars , Stephen Gwyn , Daniel Durand , Kennedy Rolston , Alexander Ouellette

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

Many languages have vast amounts of handwritten texts, such as ancient scripts about folktale stories and historical narratives or contemporary documents and letters. Digitization of those texts has various applications, such as daily…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Ameer Majeed , Hossein Hassani

Despite their cultural and historical significance, Black digital archives continue to be a structurally underrepresented area in AI research and infrastructure. This is especially evident in efforts to digitize historical Black newspapers,…

Digital Libraries · Computer Science 2025-09-17 Fitsum Sileshi Beyene , Christopher L. Dancy

This dissertation relates to the transition of the state of the art of swept source optical coherence tomography (SS-OCT) systems to a new realm in which the image acquisition speed is improved by an order of magnitude. With the aid of a…

Image and Video Processing · Electrical Eng. & Systems 2020-02-21 Amir Tofighi Zavareh

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
‹ Prev 1 3 4 5 6 7 10 Next ›