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Optical character recognition (OCR) is a process of converting analogue documents into digital using document images. Currently, many commercial and non-commercial OCR systems exist for both handwritten and printed copies for different…

Computer Vision and Pattern Recognition · Computer Science 2021-05-11 Farisa Benta Safir , Abu Quwsar Ohi , M. F. Mridha , Muhammad Mostafa Monowar , Md. Abdul Hamid

Despite considerable progress in handwritten text recognition, paragraph-level handwritten text recognition, especially in low-resource languages, such as Hindi, Urdu and similar scripts, remains a challenging problem. These languages,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Sayantan Dey , Alireza Alaei , Partha Pratim Roy

In this paper, we address the task of Optical Character Recognition(OCR) for the Telugu script. We present an end-to-end framework that segments the text image, classifies the characters and extracts lines using a language model. The…

Machine Learning · Statistics 2017-02-16 Rakesh Achanta , Trevor Hastie

A classifier is developed that defines a joint distribution of global character features, number of sub-units and local sub-unit features to model Hindi online handwritten characters. The classifier uses latent variables to model the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-27 Anand Sharma , A. G. Ramakrishnan

A novel, generic scheme for off-line handwritten English alphabets character images is proposed. The advantage of the technique is that it can be applied in a generic manner to different applications and is expected to perform better in…

Computer Vision and Pattern Recognition · Computer Science 2010-07-01 Sandhya Arora , Latesh Malik , Debotosh Bhattacharjee , Mita Nasipuri

Handwritten numeral recognition is in general a benchmark problem of Pattern Recognition and Artificial Intelligence. Compared to the problem of printed numeral recognition, the problem of handwritten numeral recognition is compounded due…

Computer Vision and Pattern Recognition · Computer Science 2010-03-10 Nibaran Das , Ayatullah Faruk Mollah , Sudip Saha , Syed Sahidul Haque

Urdu is a cursive script language and has similarities with Arabic and many other South Asian languages. Urdu is difficult to classify due to its complex geometrical and morphological structure. Character classification can be processed…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Sumaiya Fazal , Sheeraz Ahmed

I propose a state of the art deep neural architectural solution for handwritten character recognition for Bengali alphabets, compound characters as well as numerical digits that achieves state-of-the-art accuracy 96.8% in just 11 epochs.…

Computer Vision and Pattern Recognition · Computer Science 2020-09-22 Akash Roy

Handwritten character recognition (HCR) is a challenging problem for machine learning researchers. Unlike printed text data, handwritten character datasets have more variation due to human-introduced bias. With numerous unique character…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Boris Kriuk , Fedor Kriuk

Contrary to popular belief, Optical Character Recognition (OCR) remains a challenging problem when text occurs in unconstrained environments, like natural scenes, due to geometrical distortions, complex backgrounds, and diverse fonts. In…

Computer Vision and Pattern Recognition · Computer Science 2019-06-06 Marcin Namysl , Iuliu Konya

This paper is a presentation of a new method for denoising images using Haralick features and further segmenting the characters using artificial neural networks. The image is divided into kernels, each of which is converted to a GLCM (Gray…

Computer Vision and Pattern Recognition · Computer Science 2021-07-27 P Preethi , Hrishikesh Viswanath

Optical character recognition (OCR) is a vital process that involves the extraction of handwritten or printed text from scanned or printed images, converting it into a format that can be understood and processed by machines. This enables…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Mahmoud SalahEldin Kasem , Mohamed Mahmoud , Hyun-Soo Kang

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

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

In spite of the advances in pattern recognition technology, Handwritten Bangla Character Recognition (HBCR) (such as alpha-numeric and special characters) remains largely unsolved due to the presence of many perplexing characters and…

Computer Vision and Pattern Recognition · Computer Science 2017-05-09 Md Zahangir Alom , Paheding Sidike , Tarek M. Taha , Vijayan K. Asari

Optical character recognition (OCR) is a widely used pattern recognition application in numerous domains. There are several feature-rich, general-purpose OCR solutions available for consumers, which can provide moderate to excellent…

Computer Vision and Pattern Recognition · Computer Science 2021-05-18 Ayantha Randika , Nilanjan Ray , Xiao Xiao , Allegra Latimer

In this paper, we introduce robust and synergetic hand-crafted features and a simple but efficient deep feature from a convolutional neural network (CNN) architecture for defocus estimation. This paper systematically analyzes the…

Computer Vision and Pattern Recognition · Computer Science 2017-05-01 Jinsun Park , Yu-Wing Tai , Donghyeon Cho , In So Kweon

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

The objective of the paper is to recognize handwritten samples of basic Bangla characters using Tesseract open source Optical Character Recognition (OCR) engine under Apache License 2.0. Handwritten data samples containing isolated Bangla…

Computer Vision and Pattern Recognition · Computer Science 2010-03-31 Sandip Rakshit , Debkumar Ghosal , Tanmoy Das , Subhrajit Dutta , Subhadip Basu

Handwritten digit recognition in regional scripts, such as Devanagari, is crucial for multilingual document digitization, educational tools, and the preservation of cultural heritage. The script's complex structure and limited annotated…

Quantum Physics · Physics 2025-06-12 Sahaj Raj Malla