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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

Recognition of handwritten Roman characters and numerals has been extensively studied in the last few decades and its accuracy reached to a satisfactory state. But the same cannot be said while talking about the Devanagari script which is…

Computer Vision and Pattern Recognition · Computer Science 2018-07-02 Pawan Kumar Singh , Supratim Das , Ram Sarkar , Mita Nasipuri

Medical image analysis has become a topic under the spotlight in recent years. There is a significant progress in medical image research concerning the usage of machine learning. However, there are still numerous questions and problems…

Image and Video Processing · Electrical Eng. & Systems 2018-05-16 Taha J. Alhindi , Shivam Kalra , Ka Hin Ng , Anika Afrin , Hamid R. Tizhoosh

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

Handwritten character recognition is getting popular among researchers because of its possible applications in facilitating technological search engines, social media, recommender systems, etc. The Devanagari script is one of the oldest…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Diksha Mehta , Prateek Mehta

The Bengali language is the 5th most spoken native and 7th most spoken language in the world, and Bengali handwritten character recognition has attracted researchers for decades. However, other languages such as English, Arabic, Turkey, and…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Farhanul Haque , Md. Al-Hasan , Sumaiya Tabssum Mou , Abu Saleh Musa Miah , Jungpil Shin , Md Abdur Rahim

We propose a novel method that uses convolutional neural networks (CNNs) for feature extraction. Not just limited to conventional spatial domain representation, we use multilevel 2D discrete Haar wavelet transform, where image…

Computer Vision and Pattern Recognition · Computer Science 2018-01-08 Soumya Ukil , Swarnendu Ghosh , Sk Md Obaidullah , K. C. Santosh , Kaushik Roy , Nibaran Das

This paper presents a Devnagari Numerical recognition method based on statistical discriminant functions. 17 geometric features based on pixel connectivity, lines, line directions, holes, image area, perimeter, eccentricity, solidity,…

Computer Vision and Pattern Recognition · Computer Science 2013-10-22 Vikas J. Dongre , Vijay H. Mankar

The project comes with the technique of OCR (Optical Character Recognition) which includes various research sides of computer science. The project is to take a picture of a character and process it up to recognize the image of that…

Computer Vision and Pattern Recognition · Computer Science 2021-11-11 Arkaprabha Basu , M. Sathya

Neural networks in many varieties are touted as very powerful machine learning tools because of their ability to distill large amounts of information from different forms of data, extracting complex features and enabling powerful…

Machine Learning · Computer Science 2018-06-13 Stephen Notley , Malik Magdon-Ismail

Latin has historically led the state-of-the-art in handwritten optical character recognition (OCR) research. Adapting existing systems from Latin to alpha-syllabary languages is particularly challenging due to a sharp contrast between their…

Computer Vision and Pattern Recognition · Computer Science 2022-06-30 Samiul Alam , Tahsin Reasat , Asif Shahriyar Sushmit , Sadi Mohammad Siddiquee , Fuad Rahman , Mahady Hasan , Ahmed Imtiaz Humayun

The selection of features for text classification is a fundamental task in text mining and information retrieval. Despite being the sixth most widely spoken language in the world, Bangla has received little attention due to the scarcity of…

Information Retrieval · Computer Science 2023-08-29 Md. Rafi-Ur-Rashid , Sami Azam , Mirjam Jonkman

The work presented here involves the design of a Multi Layer Perceptron (MLP) based classifier for recognition of handwritten Bangla alphabet using a 76 element feature set Bangla is the second most popular script and language in the Indian…

Computer Vision and Pattern Recognition · Computer Science 2012-03-06 Subhadip Basu , Nibaran Das , Ram Sarkar , Mahantapas Kundu , Mita Nasipuri , Dipak Kumar Basu

Classification techniques for images of handwritten characters are susceptible to noise. Quadtrees can be an efficient representation for learning from sparse features. In this paper, we improve the effectiveness of probabilistic quadtrees…

Computer Vision and Pattern Recognition · Computer Science 2018-06-22 Manohar Karki , Qun Liu , Robert DiBiano , Saikat Basu , Supratik Mukhopadhyay

As large language models (LLMs) are increasingly deployed for text generation, watermarking has become essential for authorship attribution, intellectual property protection, and misuse detection. While existing watermarking methods perform…

Computation and Language · Computer Science 2026-01-09 Amit Bin Tariqul , A N M Zahid Hossain Milkan , Sahab-Al-Chowdhury , Syed Rifat Raiyan , Hasan Mahmud , Md Kamrul Hasan

Despite being one of the most spoken languages in the world ($6^{th}$ based on population), research regarding Bengali handwritten grapheme (smallest functional unit of a writing system) classification has not been explored widely compared…

Computer Vision and Pattern Recognition · Computer Science 2021-11-17 Tarun Roy , Hasib Hasan , Kowsar Hossain , Masuma Akter Rumi

This research paper presents a unique Bengali OCR system with some capabilities. The system excels in reconstructing document layouts while preserving structure, alignment, and images. It incorporates advanced image and signature detection…

Computer Vision and Pattern Recognition · Computer Science 2024-02-09 AKM Shahariar Azad Rabby , Hasmot Ali , Md. Majedul Islam , Sheikh Abujar , Fuad Rahman

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

Surface electromyography (EMG) serves as a pivotal tool in hand gesture recognition and human-computer interaction, offering a non-invasive means of signal acquisition. This study presents a novel methodology for classifying hand gestures…

Computer Vision and Pattern Recognition · Computer Science 2025-04-07 Abu Saleh Musa Miah , Najmul Hassan , Md. Maniruzzaman , Nobuyoshi Asai , Jungpil Shin

An end-to-end, segmentation-free, deep learning model trained from scratch is proposed, leveraging DCNN for feature extraction, alongside Bidirectional Long-Short Term Memory (BLSTM) for sequence recognition and Connectionist Temporal…

Computer Vision and Pattern Recognition · Computer Science 2024-06-26 Sondos Aabed , Ahmad Khairaldin