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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)…

计算机视觉与模式识别 · 计算机科学 2024-07-29 Jacob Carlson , Tom Bryan , Melissa Dell

In this paper we evaluate Optical Character Recognition (OCR) of 19th century Fraktur scripts without book-specific training using mixed models, i.e. models trained to recognize a variety of fonts and typesets from previously unseen…

计算机视觉与模式识别 · 计算机科学 2018-10-09 Christian Reul , Uwe Springmann , Christoph Wick , Frank Puppe

OCR (Optical Character Recognition) is a technology that offers comprehensive alphanumeric recognition of handwritten and printed characters at electronic speed by merely scanning the document. Recently, the understanding of visual data has…

计算机视觉与模式识别 · 计算机科学 2023-07-12 Atman Mishra , A. Sharath Ram , Kavyashree C

Optical Character Recognition (OCR) is an established task with the objective of identifying the text present in an image. While many off-the-shelf OCR models exist, they are often trained for either scientific (e.g., formulae) or generic…

计算与语言 · 计算机科学 2024-03-26 Nan Zhang , Connor Heaton , Sean Timothy Okonsky , Prasenjit Mitra , Hilal Ezgi Toraman

Given the ubiquity of handwritten documents in human transactions, Optical Character Recognition (OCR) of documents have invaluable practical worth. Optical character recognition is a science that enables to translate various types of…

计算机视觉与模式识别 · 计算机科学 2020-01-03 Jamshed Memon , Maira Sami , Rizwan Ahmed Khan

Optical character recognition (OCR) and document understanding systems increasingly rely on large vision and vision-language models, yet evaluation remains centered on modern, Western, and institutional documents. This emphasis masks system…

计算机视觉与模式识别 · 计算机科学 2026-03-30 Fitsum Sileshi Beyene , Christopher L. Dancy

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…

计算与语言 · 计算机科学 2024-04-10 Blnd Yaseen , Hossein Hassani

Digitization of newspapers is of interest for many reasons including preservation of history, accessibility and search ability, etc. While digitization of documents such as scientific articles and magazines is prevalent in literature, one…

计算机视觉与模式识别 · 计算机科学 2022-02-04 Wenzhen Zhu , Negin Sokhandan , Guang Yang , Sujitha Martin , Suchitra Sathyanarayana

Optical Character Recognition (OCR) on historical printings is a challenging task mainly due to the complexity of the layout and the highly variant typography. Nevertheless, in the last few years great progress has been made in the area of…

Existing full text datasets of U.S. public domain newspapers do not recognize the often complex layouts of newspaper scans, and as a result the digitized content scrambles texts from articles, headlines, captions, advertisements, and other…

Detection and recognition of text from scans and other images, commonly denoted as Optical Character Recognition (OCR), is a widely used form of automated document processing with a number of methods available. Yet OCR systems still do not…

计算机视觉与模式识别 · 计算机科学 2023-01-24 Krzysztof Olejniczak , Milan Šulc

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…

计算机视觉与模式识别 · 计算机科学 2021-05-11 Julian D. Gilbey , Carola-Bibiane Schönlieb

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…

数字图书馆 · 计算机科学 2023-09-22 Jill P. Naiman , Morgan G. Cosillo , Peter K. G. Williams , Alyssa Goodman

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…

数字图书馆 · 计算机科学 2007-05-23 Roger T. Hartley , Kathleen Crumpton

The biggest challenge in the field of image processing is to recognize documents both in printed and handwritten format. Optical Character Recognition OCR is a type of document image analysis where scanned digital image that contains either…

计算机视觉与模式识别 · 计算机科学 2016-12-05 Singh Vijendra , Nisha Vasudeva , Hem Jyotsana Parashar

PubMed-OCR is an OCR-centric corpus of scientific articles derived from PubMed Central Open Access PDFs. Each page image is annotated with Google Cloud Vision and released in a compact JSON schema with word-, line-, and paragraph-level…

计算机视觉与模式识别 · 计算机科学 2026-01-19 Hunter Heidenreich , Yosheb Getachew , Olivia Dinica , Ben Elliott

Effects of Optical Character Recognition (OCR) quality on historical information retrieval have so far been studied in data-oriented scenarios regarding the effectiveness of retrieval results. Such studies have either focused on the effects…

信息检索 · 计算机科学 2022-08-12 Kimmo Kettunen , Heikki Keskustalo , Sanna Kumpulainen , Tuula Pääkkönen , Juha Rautiainen

The digitisation of historical print media archives is crucial for increasing accessibility to contemporary records. However, the process of Optical Character Recognition (OCR) used to convert physical records to digital text is prone to…

计算与语言 · 计算机科学 2025-01-23 Jonathan Bourne

Optical character recognition (OCR) for historical documents is a complex procedure subject to a unique set of material issues, including inconsistencies in typefaces and low quality scanning. Consequently, even the most sophisticated OCR…

计算与语言 · 计算机科学 2020-04-27 Alberto Poncelas , Mohammad Aboomar , Jan Buts , James Hadley , Andy Way

Extracting the relevant information out of a large number of documents is a challenging and tedious task. The quality of results generated by the traditionally available full-text search engine and text-based image retrieval systems is not…

信息检索 · 计算机科学 2022-12-05 Riya Gupta , C. V. Jawahar
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