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When extracting information from handwritten documents, text transcription and named entity recognition are usually faced as separate subsequent tasks. This has the disadvantage that errors in the first module affect heavily the performance…

计算机视觉与模式识别 · 计算机科学 2018-03-23 Manuel Carbonell , Mauricio Villegas , Alicia Fornés , Josep Lladós

Digital humanities are significantly transforming how Egyptologists study ancient Egyptian texts. The OCR-PT-CT project proposes a recognition method for hieroglyphs based on images of Coffin Texts (CT) from Adriaan de Buck (1935-1961) and…

We implemented a high-performance optical character recognition model for classical handwritten documents using data augmentation with highly variable cropping within the document region. Optical character recognition in handwritten…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Joonmo Ahna , Taehong Jang , Quan Fengnyu , Hyungil Lee , Jaehyuk Lee , Sojung Lucia Kim

In this paper we describe a dataset of German and Latin \textit{ground truth} (GT) for historical OCR in the form of printed text line images paired with their transcription. This dataset, called \textit{GT4HistOCR}, consists of 313,173…

计算与语言 · 计算机科学 2018-09-17 Uwe Springmann , Christian Reul , Stefanie Dipper , Johannes Baiter

We present a new handwritten text segmentation method by training a convolutional neural network (CNN) in an end-to-end manner. Many conventional methods addressed this problem by extracting connected components and then classifying them.…

计算机视觉与模式识别 · 计算机科学 2019-06-13 Junho Jo , Hyung Il Koo , Jae Woong Soh , Nam Ik Cho

The problem of detecting and recognizing text in natural scenes has proved to be more challenging than its counterpart in documents, with most of the previous work focusing on a single part of the problem. In this work, we propose new…

计算机视觉与模式识别 · 计算机科学 2013-10-08 Ouais Alsharif , Joelle Pineau

This paper addresses a major challenge to historical research on the 19th century. Large quantities of sources have become digitally available for the first time, while extraction techniques are lagging behind. Therefore, we researched…

计算机视觉与模式识别 · 计算机科学 2024-01-17 David Fleischhacker , Wolfgang Goederle , Roman Kern

In this paper, we present the SharedCanvas model for describing the layout of culturally important, hand-written objects such as medieval manuscripts, which is intended to be used as a common input format to presentation interfaces. The…

数字图书馆 · 计算机科学 2011-10-18 Robert Sanderson , Hennie Brugman , Benjamin Albritton , Herbert Van de Sompel

In this paper we deal with the offline handwriting text recognition (HTR) problem with reduced training datasets. Recent HTR solutions based on artificial neural networks exhibit remarkable solutions in referenced databases. These deep…

计算机视觉与模式识别 · 计算机科学 2020-12-08 José Carlos Aradillas , Juan José Murillo-Fuentes , Pablo M. Olmos

Recognition of Arabic characters is essential for natural language processing and computer vision fields. The need to recognize and classify the handwritten Arabic letters and characters are essentially required. In this paper, we present…

计算机视觉与模式识别 · 计算机科学 2020-09-29 Mahmoud Shams , Amira. A. Elsonbaty , Wael. Z. ElSawy

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

This paper serves to introduce the Align, Minimize and Diversify (AMD) method, a Source-Free Unsupervised Domain Adaptation approach for Handwritten Text Recognition (HTR). This framework decouples the adaptation process from the source…

计算机视觉与模式识别 · 计算机科学 2024-04-30 María Alfaro-Contreras , Jorge Calvo-Zaragoza

Handwritten text recognition is an active research area in the field of deep learning and artificial intelligence to convert handwritten text into machine-understandable. A lot of work has been done for other languages, especially for…

计算机视觉与模式识别 · 计算机科学 2021-03-10 Muhammad Kashif

The term "Code Mixed" refers to the use of more than one language in the same text. This phenomenon is predominantly observed on social media platforms, with an increasing amount of adaptation as time goes on. It is critical to detect…

计算与语言 · 计算机科学 2023-05-29 Aryan Patil , Varad Patwardhan , Abhishek Phaltankar , Gauri Takawane , Raviraj Joshi

Arabic Handwritten Character Recognition (AHCR) has recently advanced significantly with deep Convolutional Neural Networks (ConvNets). However, many models in the literature are deep and computationally expensive in terms of parameters and…

计算机视觉与模式识别 · 计算机科学 2026-05-19 Mohsine El Khayati , Rachid Elouahbi , Abdelillah Semma

In this report, we present our findings from benchmarking experiments for information extraction on historical handwritten marriage records Esposalles from IEHHR - ICDAR 2017 robust reading competition. The information extraction is modeled…

计算机视觉与模式识别 · 计算机科学 2018-07-18 Animesh Prasad , Hervé Déjean , Jean-Luc Meunier , Max Weidemann , Johannes Michael , Gundram Leifert

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

Training state-of-the-art offline handwriting recognition (HWR) models requires large labeled datasets, but unfortunately such datasets are not available in all languages and domains due to the high cost of manual labeling.We address this…

计算机视觉与模式识别 · 计算机科学 2018-08-07 Chris Tensmeyer , Curtis Wigington , Brian Davis , Seth Stewart , Tony Martinez , William Barrett

Detecting machine-generated text (MGT) has emerged as a critical challenge, driven by the rapid advancement of large language models (LLMs) capable of producing highly realistic, human-like content. However, the performance of current…

计算与语言 · 计算机科学 2025-11-04 Guoxin Ma , Xiaoming Liu , Zhanhan Zhang , Chengzhengxu Li , Shengchao Liu , Yu Lan

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