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Printed Mathematical expression recognition (PMER) aims to transcribe a printed mathematical expression image into a structural expression, such as LaTeX expression. It is a crucial task for many applications, including automatic question…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Yingnan Fu , Tingting Liu , Ming Gao , Aoying Zhou

Handwriting recognition has seen significant success with the use of deep learning. However, a persistent shortcoming of neural networks is that they are not well-equipped to deal with shifting data distributions. In the field of…

Computer Vision and Pattern Recognition · Computer Science 2023-07-31 Tobias van der Werff , Maruf A. Dhali , Lambert Schomaker

We present a novel approach to lexical error recovery on textual input. An advanced robust tokenizer has been implemented that can not only correct spelling mistakes, but also recover from segmentation errors. Apart from the orthographic…

cmp-lg · Computer Science 2008-02-03 Peter Ingels

The paper introduces the UniMER dataset, marking the first study on Mathematical Expression Recognition (MER) targeting complex real-world scenarios. The UniMER dataset includes a large-scale training set, UniMER-1M, which offers…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Bin Wang , Zhuangcheng Gu , Guang Liang , Chao Xu , Bo Zhang , Botian Shi , Conghui He

Handwritten Text Recognition (HTR) has become an essential field within pattern recognition and machine learning, with applications spanning historical document preservation to modern data entry and accessibility solutions. The complexity…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Carlos Garrido-Munoz , Antonio Rios-Vila , Jorge Calvo-Zaragoza

Syntax has been demonstrated highly effective in neural machine translation (NMT). Previous NMT models integrate syntax by representing 1-best tree outputs from a well-trained parsing system, e.g., the representative Tree-RNN and…

Computation and Language · Computer Science 2019-05-09 Meishan Zhang , Zhenghua Li , Guohong Fu , Min Zhang

The task of recognising Handwritten Mathematical Expressions (HMER) is crucial in the fields of digital education and scholarly research. However, it is difficult to accurately determine the length and complex spatial relationships among…

Computer Vision and Pattern Recognition · Computer Science 2023-06-30 Aniket Pal , Krishna Pratap Singh

This paper presents results of a study of the performance of several base classifiers for recognition of handwritten characters of the modern Latin alphabet. Base classification performance is further enhanced by utilizing Viterbi error…

Computer Vision and Pattern Recognition · Computer Science 2021-11-30 Hélder Campos , Nuno Paulino

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

Handwritten Text Recognition (HTR) is more interesting and challenging than printed text due to uneven variations in the handwriting style of the writers, content, and time. HTR becomes more challenging for the Indic languages because of…

Computer Vision and Pattern Recognition · Computer Science 2022-12-16 Ajoy Mondal , C. V. Jawahar

The advent of recurrent neural networks for handwriting recognition marked an important milestone reaching impressive recognition accuracies despite the great variability that we observe across different writing styles. Sequential…

Computer Vision and Pattern Recognition · Computer Science 2020-05-28 Lei Kang , Pau Riba , Marçal Rusiñol , Alicia Fornés , Mauricio Villegas

In this report, we present our findings from benchmarking experiments for information extraction on historical handwritten marriage records Esposalles from IEHHR - ICDAR 2017 robust reading competition. The information extraction is modeled…

Computer Vision and Pattern Recognition · Computer Science 2018-07-18 Animesh Prasad , Hervé Déjean , Jean-Luc Meunier , Max Weidemann , Johannes Michael , Gundram Leifert

High-quality human transcription is essential for training and improving Automatic Speech Recognition (ASR) models. Recent study~\cite{libricrowd} has found that every 1% worse transcription Word Error Rate (WER) increases approximately 2%…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-20 Hanbo Sun , Jian Gao , Xiaomin Wu , Anjie Fang , Cheng Cao , Zheng Du

While there have been significant advances in de-tecting emotions in text, in the field of utter-ance-level emotion recognition (ULER), there are still many problems to be solved. In this paper, we address some challenges in ULER in dialog…

Computation and Language · Computer Science 2020-02-19 QingBiao Li , ChunHua Wu , KangFeng Zheng , Zhe Wang

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

In this paper we propose a deep neural network model with an encoder-decoder architecture that translates images of math formulas into their LaTeX markup sequences. The encoder is a convolutional neural network (CNN) that transforms images…

Machine Learning · Computer Science 2019-09-11 Zelun Wang , Jyh-Charn Liu

Homography estimation is the task of determining the transformation from an image pair. Our approach focuses on employing detector-free feature matching methods to address this issue. Previous work has underscored the importance of…

Information Retrieval · Computer Science 2024-10-15 Yuhan Liu , Qianxin Huang , Siqi Hui , Jingwen Fu , Sanping Zhou , Kangyi Wu , Pengna Li , Jinjun Wang

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

We present a Neural Network based Handwritten Text Recognition (HTR) model architecture that can be trained to recognize full pages of handwritten or printed text without image segmentation. Being based on Image to Sequence architecture, it…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Sumeet S. Singh , Sergey Karayev

This submission investigates alternative machine learning models for predicting the HTER score on the sentence level. Instead of directly predicting the HTER score, we suggest a model that jointly predicts the amount of the 4 distinct…

Computation and Language · Computer Science 2017-07-20 Eleftherios Avramidis