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Recognizing handwritten mathematical expressions (HMER) is a challenging task due to the inherent two-dimensional structure, varying symbol scales, and complex spatial relationships among symbols. In this paper, we present a self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 Shree Mitra , Ritabrata Chakraborty , Nilkanta Sahu

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

Offline Handwritten Mathematical Expression Recognition (HMER) is a major area in the field of mathematical expression recognition. Offline HMER is often viewed as a much harder problem as compared to online HMER due to a lack of temporal…

Computer Vision and Pattern Recognition · Computer Science 2022-08-23 Ujjwal Thakur , Anuj Sharma

Symbolic Regression (SR) is a powerful technique for automatically discovering mathematical expressions from input data. Mainstream SR algorithms search for the optimal symbolic tree in a vast function space, but the increasing complexity…

Machine Learning · Computer Science 2026-02-03 Xinxin Li , Juan Zhang , Da Li , Xingyu Liu , Jin Xu , Junping Yin

Symbolic Regression (SR) allows for the discovery of scientific equations from data. To limit the large search space of possible equations, prior knowledge has been expressed in terms of formal grammars that characterize subsets of…

Machine Learning · Computer Science 2024-06-11 Tim Schneider , Amin Totounferoush , Wolfgang Nowak , Steffen Staab

Solving arithmetic word problems is a cornerstone task in assessing language understanding and reasoning capabilities in NLP systems. Recent works use automatic extraction and ranking of candidate solution equations providing the answer to…

Computation and Language · Computer Science 2021-03-10 Klim Zaporojets , Giannis Bekoulis , Johannes Deleu , Thomas Demeester , Chris Develder

Handwritten mathematical expression recognition aims to automatically generate LaTeX sequences from given images. Currently, attention-based encoder-decoder models are widely used in this task. They typically generate target sequences in a…

Computer Vision and Pattern Recognition · Computer Science 2022-02-24 Xiaohang Bian , Bo Qin , Xiaozhe Xin , Jianwu Li , Xuefeng Su , Yanfeng Wang

Online multi-object tracking (MOT) is a longstanding task for computer vision and intelligent vehicle platform. At present, the main paradigm is tracking-by-detection, and the main difficulty of this paradigm is how to associate current…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Haidong Wang , Zhiyong Li , Yaping Li , Ke Nai , Ming Wen

Automatically assessing handwritten mathematical solutions is an important problem in educational technology with practical applications, but it remains a significant challenge due to the diverse formats, unstructured layouts, and symbolic…

Computation and Language · Computer Science 2025-10-28 Thu Phuong Nguyen , Duc M. Nguyen , Hyotaek Jeon , Hyunwook Lee , Hyunmin Song , Sungahn Ko , Taehwan Kim

Handwritten text recognition is an open problem of great interest in the area of automatic document image analysis. The transcription of handwritten content present in digitized documents is significant in analyzing historical archives or…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Jorge Sueiras

Stroke classification remains challenging due to variations in writing style, ambiguous content, and dynamic writing positions. The core challenge in stroke classification is modeling the semantic relationships between strokes. Our…

Computer Vision and Pattern Recognition · Computer Science 2025-12-09 Yiheng Huang , Shuang She , Zewei Wei , Jianmin Lin , Ming Yang , Wenyin Liu

Handwritten mathematical expression recognition is a challenging problem due to the complicated two-dimensional structures, ambiguous handwriting input and variant scales of handwritten math symbols. To settle this problem, we utilize the…

Computer Vision and Pattern Recognition · Computer Science 2018-02-01 Jianshu Zhang , Jun Du , Lirong Dai

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

Symbolic indefinite integration in Computer Algebra Systems such as Maple involves selecting the most effective algorithm from multiple available methods. Not all methods will succeed for a given problem, and when several do, the results,…

Symbolic Computation · Computer Science 2025-08-11 Rashid Barket , Matthew England , Jürgen Gerhard

Scene Text Recognition (STR) methods have demonstrated robust performance in word-level text recognition. However, in real applications the text image is sometimes long due to detected with multiple horizontal words. It triggers the…

Computer Vision and Pattern Recognition · Computer Science 2025-01-23 Yongkun Du , Zhineng Chen , Caiyan Jia , Xieping Gao , Yu-Gang Jiang

Scene text detection is still a challenging task, as there may be extremely small or low-resolution strokes, and close or arbitrary-shaped texts. In this paper, StrokeNet is proposed to effectively detect the texts by capturing the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-24 Lei Li , Kai Fan , Chun Yuan

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

This paper presents the design of an associative memory with feedback that is capable of on-line temporal sequence learning. A framework for on-line sequence learning has been proposed, and different sequence learning models have been…

Neural and Evolutionary Computing · Computer Science 2007-05-23 J. Bose , S. B. Furber , J. L. Shapiro

State-of-the-art methods for handwriting recognition are based on Long Short Term Memory (LSTM) recurrent neural networks (RNN), which now provides very impressive character recognition performance. The character recognition is generally…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Bruno Stuner , Clément Chatelain , Thierry Paquet

We present Speculative Rollout with Tree-Structured Cache (SRT), a simple, model-free approach to accelerate on-policy reinforcement learning (RL) for language models without sacrificing distributional correctness. SRT exploits the…

Machine Learning · Computer Science 2026-01-15 Chi-Chih Chang , Siqi Zhu , Zhichen Zeng , Haibin Lin , Jiaxuan You , Mohamed S. Abdelfattah , Ziheng Jiang , Xuehai Qian