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This work presents a comparison of machine learning algorithms that are implemented to segment the characters of text presented as an image. The algorithms are designed to work on degraded documents with text that is not aligned in an…

Computer Vision and Pattern Recognition · Computer Science 2021-07-29 P Preethi , Hrishikesh Viswanath

The objective of the paper is to recognize handwritten samples of lower case Roman script using Tesseract open source Optical Character Recognition (OCR) engine under Apache License 2.0. Handwritten data samples containing isolated and…

Computer Vision and Pattern Recognition · Computer Science 2010-03-31 Sandip Rakshit , Subhadip Basu

In this paper we study the recognition of handwritten characters from data captured by a novel wearable electro-textile sensor panel. The data is collected sequentially, such that we record both the stroke order and the resulting bitmap. We…

Computer Vision and Pattern Recognition · Computer Science 2020-08-07 Leevi Raivio , Han He , Johanna Virkki , Heikki Huttunen

Just like its remarkable achievements in many computer vision tasks, the convolutional neural networks (CNN) provide an end-to-end solution in handwritten Chinese character recognition (HCCR) with great success. However, the process of…

Computer Vision and Pattern Recognition · Computer Science 2018-11-16 Zhiyuan Li , Min Jin , Qi Wu , Huaxiang Lu

Teaching Computer Science (CS) by having students write programs by hand on paper has key pedagogical advantages: It allows focused learning and requires careful thinking compared to the use of Integrated Development Environments (IDEs)…

Computer Vision and Pattern Recognition · Computer Science 2024-08-15 Md Sazzad Islam , Moussa Koulako Bala Doumbouya , Christopher D. Manning , Chris Piech

Human eye can see and read what is written or displayed either in natural handwriting or in printed format. The same work in case the machine does is called handwriting recognition. Handwriting recognition can be broken down into two…

Computer Vision and Pattern Recognition · Computer Science 2013-04-02 K. C. Santosh , E. Iwata

Offline handwritten mathematical expression recognition is a challenging task, because handwritten mathematical expressions mainly have two problems in the process of recognition. On one hand, it is how to correctly recognize different…

Computer Vision and Pattern Recognition · Computer Science 2020-05-29 Guangcun Shan , Hongyu Wang , Wei Liang

Offline handwritten text recognition from images is an important problem for enterprises attempting to digitize large volumes of handmarked scanned documents/reports. Deep recurrent models such as Multi-dimensional LSTMs have been shown to…

Computation and Language · Computer Science 2018-07-27 Arindam Chowdhury , Lovekesh Vig

HOCR is abbreviated as Handwritten Optical Character Recognition. HOCR is a process of recognition of different handwritten characters from a digital image of documents. Handwritten automatic character recognition has attracted many…

Computer Vision and Pattern Recognition · Computer Science 2014-10-28 Sadanand A. Kulkarni , Prashant L. Borde , Ramesh R. Manza , Pravin L. Yannawar

Recent deep learning based approaches have achieved great success on handwriting recognition. Chinese characters are among the most widely adopted writing systems in the world. Previous research has mainly focused on recognizing handwritten…

Computer Vision and Pattern Recognition · Computer Science 2016-06-22 Xu-Yao Zhang , Fei Yin , Yan-Ming Zhang , Cheng-Lin Liu , Yoshua Bengio

Recognition of handwritten words continues to be an important problem in document analysis and recognition. Existing approaches extract hand-engineered features from word images--which can perform poorly with new data sets. Recently, deep…

Computer Vision and Pattern Recognition · Computer Science 2016-12-06 Gang Chen , Yawei Li , Sargur N. Srihari

Neural Networks are being used for character recognition from last many years but most of the work was confined to English character recognition. Till date, a very little work has been reported for Handwritten Farsi Character recognition.…

Computer Vision and Pattern Recognition · Computer Science 2009-09-01 Reza Gharoie Ahangar , Mohammad Farajpoor Ahangar

Handwriting movements can be leveraged as a unique form of behavioral biometrics, to verify whether a real user is operating a device or application. This task can be framed as a reverse Turing test in which a computer has to detect if an…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Luis A. Leiva , Moises Diaz , Nuwan T. Attygalle , Miguel A. Ferrer , Rejean Plamondon

Handwritten character recognition (HCR) remains a challenging pattern recognition problem despite decades of research, and lacks research on script independent recognition techniques. {\color{black}This is mainly because of similar…

Computer Vision and Pattern Recognition · Computer Science 2025-01-03 Vinod Kumar Chauhan , Sukhdeep Singh , Anuj Sharma

Hidden Markov Chains (HMCs) are commonly used mathematical models of probabilistic systems. They are employed in various fields such as speech recognition, signal processing, and biological sequence analysis. We consider the problem of…

Data Structures and Algorithms · Computer Science 2016-05-10 Stefan Kiefer , A. Prasad Sistla

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 2014-01-24 V. Karthikeyan , M. Divya , C. K. Chithra , K. Manju Priya

Hidden Markov Models (HMMs) are one of the most fundamental and widely used statistical tools for modeling discrete time series. In general, learning HMMs from data is computationally hard (under cryptographic assumptions), and…

Machine Learning · Computer Science 2012-07-10 Daniel Hsu , Sham M. Kakade , Tong Zhang

In this work we propose a hybrid NN/HMM model for online Arabic handwriting recognition. The proposed system is based on Hidden Markov Models (HMMs) and Multi Layer Perceptron Neural Networks (MLPNNs). The input signal is segmented to…

Computer Vision and Pattern Recognition · Computer Science 2014-01-03 Najiba Tagougui , Houcine Boubaker , Monji Kherallah , Adel M. ALIMI

The long-standing challenges for offline handwritten Chinese character recognition (HCCR) are twofold: Chinese characters can be very diverse and complicated while similarly looking, and cursive handwriting (due to increased writing speed…

Computer Vision and Pattern Recognition · Computer Science 2019-10-15 Yao Xiao , Dan Meng , Cewu Lu , Chi-Keung Tang

We propose a new framework for the recognition of online handwritten graphics. Three main features of the framework are its ability to treat symbol and structural level information in an integrated way, its flexibility with respect to…

Computer Vision and Pattern Recognition · Computer Science 2017-09-20 Frank Julca-Aguilar , Harold Mouchère , Christian Viard-Gaudin , Nina S. T. Hirata