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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…

Computer Vision and Pattern Recognition · Computer Science 2020-08-07 Bernhard Liebl , Manuel Burghardt

With the recent renaissance of deep convolution neural networks, encouraging breakthroughs have been achieved on the supervised recognition tasks, where each class has sufficient training data and fully annotated training data. However, to…

Computer Vision and Pattern Recognition · Computer Science 2017-10-16 Yanwei Fu , Tao Xiang , Yu-Gang Jiang , Xiangyang Xue , Leonid Sigal , Shaogang Gong

Handwriting recognition is of crucial importance to both Human Computer Interaction (HCI) and paperwork digitization. In the general field of Optical Character Recognition (OCR), handwritten Chinese character recognition faces tremendous…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Boxiang Dong , Aparna S. Varde , Danilo Stevanovic , Jiayin Wang , Liang Zhao

We introduce Chinese Text in the Wild, a very large dataset of Chinese text in street view images. While optical character recognition (OCR) in document images is well studied and many commercial tools are available, detection and…

Computer Vision and Pattern Recognition · Computer Science 2018-03-02 Tai-Ling Yuan , Zhe Zhu , Kun Xu , Cheng-Jun Li , Shi-Min Hu

Traditional OCR systems (OCR-1.0) are increasingly unable to meet people's usage due to the growing demand for intelligent processing of man-made optical characters. In this paper, we collectively refer to all artificial optical signals…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Haoran Wei , Chenglong Liu , Jinyue Chen , Jia Wang , Lingyu Kong , Yanming Xu , Zheng Ge , Liang Zhao , Jianjian Sun , Yuang Peng , Chunrui Han , Xiangyu Zhang

Methods for object detection and segmentation often require abundant instance-level annotations for training, which are time-consuming and expensive to collect. To address this, the task of zero-shot object detection (or segmentation) aims…

Computer Vision and Pattern Recognition · Computer Science 2023-02-16 Siddhesh Khandelwal , Anirudth Nambirajan , Behjat Siddiquie , Jayan Eledath , Leonid Sigal

This paper addresses the task of zero-shot image classification. The key contribution of the proposed approach is to control the semantic embedding of images -- one of the main ingredients of zero-shot learning -- by formulating it as a…

Computer Vision and Pattern Recognition · Computer Science 2016-07-28 Maxime Bucher , Stéphane Herbin , Frédéric Jurie

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

This research addresses a critical challenge in the field of generative models, particularly in the generation and evaluation of synthetic images. Given the inherent complexity of generative models and the absence of a standardized…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Majid Memari , Khaled R. Ahmed , Shahram Rahimi , Noorbakhsh Amiri Golilarz

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

Recently, great success has been achieved in offline handwritten Chinese character recognition by using deep learning methods. Chinese characters are mainly logographic and consist of basic radicals, however, previous research mostly…

Computer Vision and Pattern Recognition · Computer Science 2018-08-14 Wenchao Wang , Jianshu Zhang , Jun Du , Zi-Rui Wang , Yixing Zhu

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…

Computer Vision and Pattern Recognition · Computer Science 2013-01-03 H. R. Mamatha , S. Karthik , Murthy K. Srikanta

Despite rapid progress in increasing the language coverage of automatic speech recognition, the field is still far from covering all languages with a known writing script. Recent work showed promising results with a zero-shot approach…

Computation and Language · Computer Science 2024-07-26 Jinming Zhao , Vineel Pratap , Michael Auli

Characterization of atomic-scale materials traditionally requires human experts with months to years of specialized training. Even for trained human operators, accurate and reliable characterization remains challenging when examining newly…

Text image super-resolution is a challenging yet open research problem in the computer vision community. In particular, low-resolution images hamper the performance of typical optical character recognition (OCR) systems. In this article, we…

Computer Vision and Pattern Recognition · Computer Science 2015-06-09 Chao Dong , Ximei Zhu , Yubin Deng , Chen Change Loy , Yu Qiao

Character recognition is the fundamental part of an optical character recognition (OCR) system. Word recognition, sentence transcription, document digitization, and language processing are some of the higher-order activities that can be…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Mirza Raquib , Asif Pervez Polok , Kedar Nath Biswas , Farida Siddiqi Prity , Saydul Akbar Murad , Nick Rahimi

This report explores the latest advances in the field of digital document recognition. With the focus on printed document imagery, we discuss the major developments in optical character recognition (OCR) and document image…

Computer Vision and Pattern Recognition · Computer Science 2014-12-16 Eugene Borovikov

Ancient history relies on the study of ancient characters. However, real-world scanned oracle characters are difficult to collect and annotate, posing a major obstacle for oracle character recognition (OrCR). Besides, serious abrasion and…

Computer Vision and Pattern Recognition · Computer Science 2023-12-12 Mei Wang , Weihong Deng , Sen Su

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…

Computer Vision and Pattern Recognition · Computer Science 2018-10-09 Christian Reul , Uwe Springmann , Christoph Wick , Frank Puppe

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…

Computer Vision and Pattern Recognition · Computer Science 2020-01-03 Jamshed Memon , Maira Sami , Rizwan Ahmed Khan