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This paper presents a novel approach to generate synthetic dataset for handwritten word recognition systems. It is difficult to recognize handwritten scripts for which sufficient training data is not readily available or it may be expensive…

Computer Vision and Pattern Recognition · Computer Science 2018-04-18 Partha Pratim Roy , Akash Mohta , Bidyut B. Chaudhuri

In many cases of machine learning, research suggests that the development of training data might have a higher relevance than the choice and modelling of classifiers themselves. Thus, data augmentation methods have been developed to improve…

Computation and Language · Computer Science 2022-07-25 Markus Bayer , Marc-André Kaufhold , Björn Buchhold , Marcel Keller , Jörg Dallmeyer , Christian Reuter

Sequence-to-Sequence (S2S) models recently started to show state-of-the-art performance for automatic speech recognition (ASR). With these large and deep models overfitting remains the largest problem, outweighing performance improvements…

Audio and Speech Processing · Electrical Eng. & Systems 2020-02-04 Thai-Son Nguyen , Sebastian Stueker , Jan Niehues , Alex Waibel

We introduce style augmentation, a new form of data augmentation based on random style transfer, for improving the robustness of convolutional neural networks (CNN) over both classification and regression based tasks. During training, our…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Philip T. Jackson , Amir Atapour-Abarghouei , Stephen Bonner , Toby Breckon , Boguslaw Obara

Text augmentation is an effective technique for addressing the problem of insufficient data in natural language processing. However, existing text augmentation methods tend to focus on few-shot scenarios and usually perform poorly on large…

Computation and Language · Computer Science 2024-04-02 Heng Yang , Ke Li

This paper addresses text recognition for domains with limited manual annotations by a simple self-training strategy. Our approach should reduce human annotation effort when target domain data is plentiful, such as when transcribing a…

Computer Vision and Pattern Recognition · Computer Science 2022-01-26 Martin Kišš , Karel Beneš , Michal Hradiš

Data augmentation has been highly effective in narrowing the data gap and reducing the cost for human annotation, especially for tasks where ground truth labels are difficult and expensive to acquire. In face recognition, large pose and…

Computer Vision and Pattern Recognition · Computer Science 2020-10-07 Yifan Xing , Yuanjun Xiong , Wei Xia

This paper introduces a novel method to fine-tune handwriting recognition systems based on Recurrent Neural Networks (RNN). Long Short-Term Memory (LSTM) networks are good at modeling long sequences but they tend to overfit over time. To…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Edgard Chammas , Chafic Mokbel

This paper tackles critical challenges in traffic sign recognition (TSR), which is essential for road safety -- specifically, class imbalance and instance scarcity in datasets. We introduce tailored data augmentation techniques, including…

Computer Vision and Pattern Recognition · Computer Science 2024-06-07 Ulan Alsiyeu , Zhasdauren Duisebekov

Deep learning based medical image recognition systems often require a substantial amount of training data with expert annotations, which can be expensive and time-consuming to obtain. Recently, synthetic augmentation techniques have been…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Jiarong Ye , Haomiao Ni , Peng Jin , Sharon X. Huang , Yuan Xue

The paper approaches the task of handwritten text recognition (HTR) with attentional encoder-decoder networks trained on sequences of characters, rather than words. We experiment on lines of text from popular handwriting datasets and…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Jason Poulos , Rafael Valle

Data augmentation has been proven to be an effective technique for developing machine learning models that are robust to known classes of distributional shifts (e.g., rotations of images), and alignment regularization is a technique often…

Machine Learning · Computer Science 2022-06-07 Haohan Wang , Zeyi Huang , Xindi Wu , Eric P. Xing

Medical image data are often limited due to the expensive acquisition and annotation process. Hence, training a deep-learning model with only raw data can easily lead to overfitting. One solution to this problem is to augment the raw data…

Image and Video Processing · Electrical Eng. & Systems 2023-12-19 Xinyue Xu , Yuhan Hsi , Haonan Wang , Xiaomeng Li

The problem of converting images of text into plain text is a widely researched topic in both academia and industry. Arabic handwritten Text Recognation (AHTR) poses additional challenges due to diverse handwriting styles and limited…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Alhossien Waly , Bassant Tarek , Ali Feteha , Rewan Yehia , Gasser Amr , Ahmed Fares

In recent times, deep artificial neural networks have achieved many successes in pattern recognition. Part of this success can be attributed to the reliance on big data to increase generalization. However, in the field of time series…

Machine Learning · Computer Science 2021-09-15 Brian Kenji Iwana , Seiichi Uchida

Handwritten character recognition has been the center of research and a benchmark problem in the sector of pattern recognition and artificial intelligence, and it continues to be a challenging research topic. Due to its enormous application…

Computer Vision and Pattern Recognition · Computer Science 2022-09-09 Akm Ashiquzzaman , Abdul Kawsar Tushar , Md Ashiqur Rahman

Handwritten Text Recognition (HTR) is an open problem at the intersection of Computer Vision and Natural Language Processing. The main challenges, when dealing with historical manuscripts, are due to the preservation of the paper support,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-17 Silvia Cascianelli , Vittorio Pippi , Martin Maarand , Marcella Cornia , Lorenzo Baraldi , Christopher Kermorvant , Rita Cucchiara

Handwritten text recognition for historical documents remains challenging due to handwriting variability, degraded sources, and limited layout-aware annotations. In this work, we address annotation errors - particularly hyphenation issues -…

Computer Vision and Pattern Recognition · Computer Science 2025-08-12 Marco Peer , Anna Scius-Bertrand , Andreas Fischer

Deep artificial neural networks require a large corpus of training data in order to effectively learn, where collection of such training data is often expensive and laborious. Data augmentation overcomes this issue by artificially inflating…

Machine Learning · Computer Science 2017-08-22 Luke Taylor , Geoff Nitschke

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