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This paper explores the use of a learned classifier for post-OCR text correction. Experiments with the Arabic language show that this approach, which integrates a weighted confusion matrix and a shallow language model, improves the vast…

Information Retrieval · Computer Science 2020-06-11 Ido Kissos , Nachum Dershowitz

Feature extraction is one of the fundamental problems of character recognition. The performance of character recognition system is depends on proper feature extraction and correct classifier selection. In this article, a rapid feature…

Computer Vision and Pattern Recognition · Computer Science 2012-06-04 M. Zahid Hossain , M. Ashraful Amin , Hong Yan

Linked Data is used in various fields as a new way of structuring and connecting data. Cultural heritage institutions have been using linked data to improve archival descriptions and facilitate the discovery of information. Most archival…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Mariana Dias , Carla Teixeira Lopes

Recognizing text from natural images is a hot research topic in computer vision due to its various applications. Despite the enduring research of several decades on optical character recognition (OCR), recognizing texts from natural images…

Computer Vision and Pattern Recognition · Computer Science 2018-03-23 Zhanzhan Cheng , Yangliu Xu , Fan Bai , Yi Niu , Shiliang Pu , Shuigeng Zhou

Optical Character Recognition software (OCR) are important tools for obtaining accessible texts. We propose the use of artificial neural networks (ANN) in order to develop pattern recognition algorithms capable of recognizing both normal…

Neural and Evolutionary Computing · Computer Science 2016-07-08 Giuseppe Airò Farulla , Tiziana Armano , Anna Capietto , Nadir Murru , Rosaria Rossini

In this paper I have proposed a method to find the major pixel intensity inside the text and thresholding an image accordingly to make it easier to be used for optical character recognition (OCR) models. In our method, instead of editing…

Computer Vision and Pattern Recognition · Computer Science 2022-02-10 Rohan Lal Kshetry

Optical character recognition (OCR) technology has been widely used in various scenes, as shown in Figure 1. Designing a practical OCR system is still a meaningful but challenging task. In previous work, considering the efficiency and…

Computer Vision and Pattern Recognition · Computer Science 2022-06-15 Chenxia Li , Weiwei Liu , Ruoyu Guo , Xiaoting Yin , Kaitao Jiang , Yongkun Du , Yuning Du , Lingfeng Zhu , Baohua Lai , Xiaoguang Hu , Dianhai Yu , Yanjun Ma

In this paper we propose an algorithm for the approximate k-Nearest-Neighbors problem. According to the existing researches, there are two kinds of approximation criterion. One is the distance criteria, and the other is the recall criteria.…

Computational Geometry · Computer Science 2020-08-10 Hengzhao Ma , Jianzhong Li

Recent progress in deep learning has led to the development of Optical Character Recognition (OCR) systems which perform remarkably well. Most research has been around recurrent networks as well as complex gated layers which make the…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Kartik Chaudhary , Raghav Bali

English Character Recognition (CR) has been extensively studied in the last half century and progressed to a level, sufficient to produce technology driven applications. But same is not the case for Indian languages which are complicated in…

Computer Vision and Pattern Recognition · Computer Science 2011-01-14 V J Dongre , V H Mankar

Many studies on (Offline) Handwritten Text Recognition (HTR) systems have focused on building state-of-the-art models for line recognition on small corpora. However, adding HTR capability to a large scale multilingual OCR system poses new…

Computer Vision and Pattern Recognition · Computer Science 2019-06-18 R. Reeve Ingle , Yasuhisa Fujii , Thomas Deselaers , Jonathan Baccash , Ashok C. Popat

Text recognition in the wild is a long-standing problem in computer vision. Driven by end-to-end deep learning, recent studies suggest vision and language processing are effective for scene text recognition. Yet, solving edit errors such as…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Wenwen Yu , Mingyu Liu , Biao Yang , Enming Zhang , Deqiang Jiang , Xing Sun , Yuliang Liu , Xiang Bai

A k-nearest neighbors (KNN) approach to the design of radar detectors is investigated. The idea is to start with either raw data or well-known radar receiver statistics as feature vector to be fed to the KNN decision rule. In the latter…

Signal Processing · Electrical Eng. & Systems 2020-05-11 Angelo Coluccia , Alessio Fascista , Giuseppe Ricci

Even today in Twenty First Century Handwritten communication has its own stand and most of the times, in daily life it is globally using as means of communication and recording the information like to be shared with others. Challenges in…

Artificial Intelligence · Computer Science 2012-05-18 Yusuf Perwej , Ashish Chaturvedi

Converting images of Arabic text into plain text is a widely researched topic in academia and industry. However, recognition of Arabic handwritten and printed text presents difficult challenges due to the complex nature of variations of the…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Alhossien Waly , Bassant Tarek , Ali Feteha , Rewan Yehia , Gasser Amr , Walid Gomaa , Ahmed Fares

Scanning near-field optical microscopy is one of the most effective techniques for spectroscopy of nanoscale systems. However, inferring optical constants from the measured near-field signal can be challenging because of a complicated and…

Optics · Physics 2023-04-19 Yueqi Zhao , Xinzhong Chen , Ziheng Yao , Mengkun Liu , Michael M. Fogler

In this paper we introduce a method that significantly reduces the character error rates for OCR text obtained from OCRopus models trained on early printed books. The method uses a combination of cross fold training and confidence based…

Computer Vision and Pattern Recognition · Computer Science 2018-07-25 Christian Reul , Uwe Springmann , Christoph Wick , Frank Puppe

Nearest Neighbors Algorithm is a Lazy Learning Algorithm, in which the algorithm tries to approximate the predictions with the help of similar existing vectors in the training dataset. The predictions made by the K-Nearest Neighbors…

Machine Learning · Computer Science 2018-11-14 Chandrasekaran Anirudh Bhardwaj , Megha Mishra , Kalyani Desikan

The objective of the paper is to recognize handwritten samples of Roman numerals using Tesseract open source Optical Character Recognition (OCR) engine. Tesseract is trained with data samples of different persons to generate one…

Computer Vision and Pattern Recognition · Computer Science 2010-03-31 Sandip Rakshit , Amitava Kundu , Mrinmoy Maity , Subhajit Mandal , Satwika Sarkar , Subhadip Basu

Character identification plays a vital role in the contemporary world of Image processing. It can solve many composite problems and makes humans work easier. An instance is Handwritten Character detection. Handwritten recognition is not a…

Computer Vision and Pattern Recognition · Computer Science 2013-11-27 V. Karthikeyan
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