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In this paper we present a deployed, scalable optical character recognition (OCR) system, which we call Rosetta, designed to process images uploaded daily at Facebook scale. Sharing of image content has become one of the primary ways to…

Computer Vision and Pattern Recognition · Computer Science 2019-10-14 Fedor Borisyuk , Albert Gordo , Viswanath Sivakumar

The contribution of this paper is fourfold. The first contribution is a novel, generic method for automatic ground truth generation of camera-captured document images (books, magazines, articles, invoices, etc.). It enables us to build…

Computer Vision and Pattern Recognition · Computer Science 2016-05-05 Sheraz Ahmed , Muhammad Imran Malik , Muhammad Zeshan Afzal , Koichi Kise , Masakazu Iwamura , Andreas Dengel , Marcus Liwicki

We present MMOCR-an open-source toolbox which provides a comprehensive pipeline for text detection and recognition, as well as their downstream tasks such as named entity recognition and key information extraction. MMOCR implements 14…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Zhanghui Kuang , Hongbin Sun , Zhizhong Li , Xiaoyu Yue , Tsui Hin Lin , Jianyong Chen , Huaqiang Wei , Yiqin Zhu , Tong Gao , Wenwei Zhang , Kai Chen , Wayne Zhang , Dahua Lin

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

We evaluated a lightweight Convolutional Neural Network (CNN) called LPRNet [1] for automatic License Plate Recognition (LPR). We evaluated the algorithm on two datasets, one composed of real license plate images and the other of synthetic…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Marcel Del Castillo Velarde , Gissel Velarde

Digitization of scanned receipts aims to extract text from receipt images and save it into structured documents. This is usually split into two sub-tasks: text localization and optical character recognition (OCR). Most existing OCR models…

Computation and Language · Computer Science 2023-10-17 Hongkuan Zhang , Edward Whittaker , Ikuo Kitagishi

The paper discusses an approach to decipher large collections of handwritten index cards of historical dictionaries. Our study provides a working solution that reads the cards, and links their lemmas to a searchable list of dictionary…

Computation and Language · Computer Science 2023-03-30 Jan Idziak , Artjoms Šeļa , Michał Woźniak , Albert Leśniak , Joanna Byszuk , Maciej Eder

Feature representation in the form of spatio-spectral decomposition is one of the robust techniques adopted in automatic handwritten character recognition systems. In this regard, we propose a new image representation approach for…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Kalyan S Dash , N B Puhan , G Panda

Optical Character Recognition (OCR), the task of extracting textual information from scanned documents is a vital and broadly used technology for digitizing and indexing physical documents. Existing technologies perform well for clean…

Computer Vision and Pattern Recognition · Computer Science 2022-05-18 Daniel Rotman , Ophir Azulai , Inbar Shapira , Yevgeny Burshtein , Udi Barzelay

The success rates of Optical Character Recognition (OCR) systems for printed Malayalam documents is quite impressive with the state of the art accuracy levels in the range of 85-95% for various. However for real applications, further…

Computation and Language · Computer Science 2012-05-09 Sajilal Divakaran

The problem of converting images of text into plain text is a widely researched topic in both academia and industry. Arabic handwritten Text Recognation (AHTR) poses additional challenges due to diverse handwriting styles and limited…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Alhossien Waly , Bassant Tarek , Ali Feteha , Rewan Yehia , Gasser Amr , Ahmed Fares

Supporting programming on touchscreen devices requires effective text input and editing methods. Unfortunately, the virtual keyboard can be inefficient and uses valuable screen space on already small devices. Recent advances in stylus input…

Human-Computer Interaction · Computer Science 2017-12-07 Qiyu Zhi , Ronald Metoyer

Iterating with new and improved OCR solutions enforces decision making when it comes to targeting the right candidates for reprocessing. This especially applies when the underlying data collection is of considerable size and rather diverse…

Computation and Language · Computer Science 2023-06-22 Pit Schneider , Yves Maurer

The font recognition and character extraction is of immense importance as these are many scenarios where data are in such a form, which cannot be processed like in image form or as a hard copy. So the procedure developed in this paper is…

Computer Vision and Pattern Recognition · Computer Science 2013-05-20 Syed Muhammad Arsalan Bashir

While analyzing scanned documents, handwritten text can overlap with printed text. This overlap causes difficulties during the optical character recognition (OCR) and digitization process of documents, and subsequently, hurts downstream NLP…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Sina Gholamian , Ali Vahdat

We have benchmarked the maximum obtainable recognition accuracy on various word image datasets using manual segmentation and a currently available commercial OCR. We have developed a Matlab program, with graphical user interface, for…

Computer Vision and Pattern Recognition · Computer Science 2012-08-31 Deepak Kumar , M N Anil Prasad , A G Ramakrishnan

This paper discusses how to successfully digitize large-scale historical micro-data by augmenting optical character recognition (OCR) engines with pre- and post-processing methods. Although OCR software has improved dramatically in recent…

Computer Vision and Pattern Recognition · Computer Science 2023-09-21 Sergio Correia , Stephan Luck

In this paper, a robust multiscale neural network is proposed to recognize handwritten mathematical expressions and output LaTeX sequences, which can effectively and correctly focus on where each step of output should be concerned and has a…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Hongyu Wang , Guangcun Shan

Optical Character Recognition (OCR) has many real world applications. The existing methods normally detect where the characters are, and then recognize the character for each detected location. Thus the accuracy of characters recognition is…

Computer Vision and Pattern Recognition · Computer Science 2020-12-04 Baohua Sun , Michael Lin , Hao Sha , Lin Yang

Oracle character recognition-an analysis of ancient Chinese inscriptions found on oracle bones-has become a pivotal field intersecting archaeology, paleography, and historical cultural studies. Traditional methods of oracle character…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Jing Li , Xueke Chi , Qiufeng Wang , Dahan Wang , Kaizhu Huang , Yongge Liu , Cheng-lin Liu