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Handwritten Mathematical Expression Recognition (HMER) is a challenging task with many educational applications. Recent methods for HMER have been developed for complex mathematical expressions in standard horizontal format. However,…

Computer Vision and Pattern Recognition · Computer Science 2023-08-14 Daniel Rosa , Filipe R. Cordeiro , Ruan Carvalho , Everton Souza , Sergio Chevtchenko , Luiz Rodrigues , Marcelo Marinho , Thales Vieira , Valmir Macario

Mathematical expressions (MEs) have complex two-dimensional structures in which symbols can be present at any nested depth like superscripts, subscripts, above, below etc. As MEs are represented using LaTeX format, several text retrieval…

Information Retrieval · Computer Science 2025-11-04 Pavan Kumar Perepu

Despite the recent advances in optical character recognition (OCR), mathematical expressions still face a great challenge to recognize due to their two-dimensional graphical layout. In this paper, we propose a convolutional sequence…

Computer Vision and Pattern Recognition · Computer Science 2020-12-24 Zuoyu Yan , Xiaode Zhang , Liangcai Gao , Ke Yuan , Zhi Tang

Recent researches introduced fast, compact and efficient convolutional neural networks (CNNs) for offline handwritten Chinese character recognition (HCCR). However, many of them did not address the problem of network interpretability. We…

Computer Vision and Pattern Recognition · Computer Science 2020-06-12 Pavlo Melnyk , Zhiqiang You , Keqin Li

The use of neural networks and deep learning techniques in image processing has significantly advanced the field, enabling highly accurate recognition results. However, achieving high recognition rates often necessitates complex network…

Computer Vision and Pattern Recognition · Computer Science 2025-05-29 Md Laraib Salam , Akash S Balsaraf , Gaurav Gupta , Ashish Rajeshwar Kulkarni

Symbol detection techniques in online handwritten graphics (e.g. diagrams and mathematical expressions) consist of methods specifically designed for a single graphic type. In this work, we evaluate the Faster R-CNN object detection…

Computer Vision and Pattern Recognition · Computer Science 2017-12-14 Frank D. Julca-Aguilar , Nina S. T. Hirata

Handwritten mathematical expression recognition (HMER) is challenging in image-to-text tasks due to the complex layouts of mathematical expressions and suffers from problems including over-parsing and under-parsing. To solve these, previous…

Computer Vision and Pattern Recognition · Computer Science 2024-03-06 Yutian Liu , Wenjun Ke , Jianguo Wei

The article describes developed information technology for online recognition of handwritten mathematical expressions that based on proposed approaches to handwritten symbols recognition and structural analysis.

Computer Vision and Pattern Recognition · Computer Science 2017-07-13 E. Naderan

We present a framework for learning an efficient holistic representation for handwritten word images. The proposed method uses a deep convolutional neural network with traditional classification loss. The major strengths of our work lie in:…

Computer Vision and Pattern Recognition · Computer Science 2019-03-20 Praveen Krishnan , C. V. Jawahar

Handwritten word recognition from document images using deep learning is an active research area in the field of Document Image Analysis and Recognition. In the present era of Big data, since more and more documents are being generated and…

Computer Vision and Pattern Recognition · Computer Science 2023-02-20 Bulla Rajesh , Abhishek Kumar Gupta , Ayush Raj , Mohammed Javed , Shiv Ram Dubey

Deep convolutional neural networks (DCNNs) have achieved great success in various computer vision and pattern recognition applications, including those for handwritten Chinese character recognition (HCCR). However, most current DCNN-based…

Computer Vision and Pattern Recognition · Computer Science 2015-05-29 Weixin Yang , Lianwen Jin , Zecheng Xie , Ziyong Feng

Transforming mathematical expressions into LaTeX poses a significant challenge. In this paper, we examine the application of advanced transformer-based architectures to address the task of converting handwritten or digital mathematical…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Jayaprakash Sundararaj , Akhil Vyas , Benjamin Gonzalez-Maldonado

In this paper, we propose an RNN-Transducer model for recognizing Japanese and Chinese offline handwritten text line images. As far as we know, it is the first approach that adopts the RNN-Transducer model for offline handwritten text…

Computer Vision and Pattern Recognition · Computer Science 2021-06-29 Trung Tan Ngo , Hung Tuan Nguyen , Nam Tuan Ly , Masaki Nakagawa

Handwriting recognition technology allows recognizing a written text from a given data. The recognition task can target letters, symbols, or words, and the input data can be a digital image or recorded by various sensors. A wide range of…

Computer Vision and Pattern Recognition · Computer Science 2022-09-20 Hilda Azimi , Steven Chang , Jonathan Gold , Koray Karabina

Writer identification due to its widespread application in various fields has gained popularity over the years. In scenarios where optimum handwriting samples are available, whether they be in the form of a single line, a sentence, or an…

Computer Vision and Pattern Recognition · Computer Science 2025-10-14 Vineet Kumar , Suresh Sundaram

Handwritten document recognition (HDR) is one of the most challenging tasks in the field of computer vision, due to the various writing styles and complex layouts inherent in handwritten texts. Traditionally, this problem has been…

Computer Vision and Pattern Recognition · Computer Science 2024-12-30 Mohammed Hamdan , Abderrahmane Rahiche , Mohamed Cheriet

The recognition of handwritten mathematical expressions in images and video frames is a difficult and unsolved problem yet. Deep convectional neural networks are basically a promising approach, but typically require a large amount of…

Computer Vision and Pattern Recognition · Computer Science 2021-06-18 Matthias Springstein , Eric Müller-Budack , Ralph Ewerth

Offline handwriting recognition systems require cropped text line images for both training and recognition. On the one hand, the annotation of position and transcript at line level is costly to obtain. On the other hand, automatic line…

Computer Vision and Pattern Recognition · Computer Science 2016-04-29 Théodore Bluche

Recurrent neural networks (RNNs) have proved effective at one dimensional sequence learning tasks, such as speech and online handwriting recognition. Some of the properties that make RNNs suitable for such tasks, for example robustness to…

Artificial Intelligence · Computer Science 2007-05-23 Alex Graves , Santiago Fernandez , Juergen Schmidhuber

Handwritten digit recognition remains a fundamental challenge in computer vision, with applications ranging from postal code reading to document digitization. This paper presents an ensemble-based approach that combines Convolutional Neural…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Syed Sajid Ullah , Li Gang , Mudassir Riaz , Ahsan Ashfaq , Salman Khan , Sajawal Khan