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Much of the existing linguistic data in many languages of the world is locked away in non-digitized books and documents. Optical character recognition (OCR) can be used to produce digitized text, and previous work has demonstrated the…

计算与语言 · 计算机科学 2021-11-05 Shruti Rijhwani , Daisy Rosenblum , Antonios Anastasopoulos , Graham Neubig

Optical character recognition (OCR) is crucial for a deeper access to historical collections. OCR needs to account for orthographic variations, typefaces, or language evolution (i.e., new letters, word spellings), as the main source of…

计算与语言 · 计算机科学 2021-02-02 Lijun Lyu , Maria Koutraki , Martin Krickl , Besnik Fetahu

This research paper delves into the development of an Optical Character Recognition (OCR) system for the recognition of Ashokan Brahmi characters using Convolutional Neural Networks. It utilizes a comprehensive dataset of character images…

计算机视觉与模式识别 · 计算机科学 2025-01-07 Yash Agrawal , Srinidhi Balasubramanian , Rahul Meena , Rohail Alam , Himanshu Malviya , Rohini P

This paper presents an evaluation of deep neural networks for recognition of digits entered by users on a smartphone touchscreen. A new large dataset of Arabic numerals was collected for training and evaluation of the network. The dataset…

计算机视觉与模式识别 · 计算机科学 2017-09-21 Philip J. Corr , Guenole C. Silvestre , Chris J. Bleakley

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

Initiation, monitoring, and evaluation of development programmes can involve field-based data collection about project activities. This data collection through digital devices may not always be feasible though, for reasons such as…

人工智能 · 计算机科学 2025-04-29 Devesh Pant , Dibyendu Talukder , Deepak Kumar , Rachit Pandey , Aaditeshwar Seth , Chetan Arora

Conventional optical character recognition (OCR) techniques segmented each character and then recognized. This made them prone to error in character segmentation, and devoid of context to exploit language models. Advances in sequence to…

计算机视觉与模式识别 · 计算机科学 2025-09-01 Shashank Vempati , Nishit Anand , Gaurav Talebailkar , Arpan Garai , Chetan Arora

Optical Character Recognition (OCR) for low-resource languages remains a significant challenge due to the scarcity of large-scale annotated training datasets. Languages such as Kashmiri, with approximately 7 million speakers and a complex…

计算与语言 · 计算机科学 2026-01-23 Haq Nawaz Malik , Kh Mohmad Shafi , Tanveer Ahmad Reshi

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…

计算机视觉与模式识别 · 计算机科学 2018-01-04 Chinmay Chinara , Nishant Nath , Subhajeet Mishra , Sangram Keshari Sahoo , Farida Ashraf Ali

Optical Music Recognition (OMR) has long been without an adequate dataset and ground truth for evaluating OMR systems, which has been a major problem for establishing a state of the art in the field. Furthermore, machine learning methods…

计算机视觉与模式识别 · 计算机科学 2017-03-16 Jan Hajič , Pavel Pecina

Optical Character Recognition (OCR) is one of the important fields in image processing and pattern recognition domain. Handwritten character recognition has always been a challenging task. Only a little work can be traced towards the…

计算机视觉与模式识别 · 计算机科学 2013-01-03 H. R. Mamatha , S. Karthik , Murthy K. Srikanta

We investigate how to train a high quality optical character recognition (OCR) model for difficult historical typefaces on degraded paper. Through extensive grid searches, we obtain a neural network architecture and a set of optimal data…

计算机视觉与模式识别 · 计算机科学 2020-08-07 Bernhard Liebl , Manuel Burghardt

This paper presents an end-to-end deep convolutional recurrent neural network solution for Khmer optical character recognition (OCR) task. The proposed solution uses a sequence-to-sequence (Seq2Seq) architecture with attention mechanism.…

计算机视觉与模式识别 · 计算机科学 2021-06-22 Rina Buoy , Sokchea Kor , Nguonly Taing

With the increasing prevalence of video recordings there is a growing need for tools that can maintain the privacy of those recorded. In this paper, we define an approach for redacting personally identifiable text from videos using a…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Abhishek Mukhopadhyay , Shubham Agarwal , Patrick Dylan Zwick , Pradipta Biswas

This research compares PDF parsing and Optical Character Recognition (OCR) methods for extracting Nepali content from PDFs. PDF parsing offers fast and accurate extraction but faces challenges with non-Unicode Nepali fonts. OCR,…

信息检索 · 计算机科学 2026-02-19 Prabin Paudel , Supriya Khadka , Ranju G. C. , Rahul Shah , Basanta Joshi

Multilingual OCR and information extraction from receipts remains challenging, particularly for complex scripts like Arabic. We introduce \dataset, a comprehensive dataset designed for Arabic-English receipt understanding comprising 20,000…

We present OCR-Quality, a comprehensive human-annotated dataset designed for evaluating and developing OCR quality assessment methods. The dataset consists of 1,000 PDF pages converted to PNG images at 300 DPI, sampled from diverse…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Yulong Zhang

Standard OCR is a well-researched topic of computer vision and can be considered solved for machine-printed text. However, when applied to unconstrained images, the recognition rates drop drastically. Therefore, the employment of object…

计算机视觉与模式识别 · 计算机科学 2013-04-29 Albert Kavelar , Sebastian Zambanini , Martin Kampel

HTR models development has become a conventional step for digital humanities projects. The performance of these models, often quite high, relies on manual transcription and numerous handwritten documents. Although the method has proven…

计算机视觉与模式识别 · 计算机科学 2022-11-30 Lucas Noëmie , Clément Salah , Chahan Vidal-Gorène

Extracting Handwritten text is one of the most important components of digitizing information and making it available for large scale setting. Handwriting Optical Character Reader (OCR) is a research problem in computer vision and natural…

计算机视觉与模式识别 · 计算机科学 2022-06-10 Mohammad Daniyal Shaiq , Musa Dildar Ahmed Cheema , Ali Kamal