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The generative large language models (LLMs) are increasingly being used for data augmentation tasks, where text samples are LLM-paraphrased and then used for classifier fine-tuning. However, a research that would confirm a clear…

Computation and Language · Computer Science 2024-08-30 Jan Cegin , Jakub Simko , Peter Brusilovsky

In this paper we propose a novel augmentation technique that improves not only the performance of deep neural networks on clean test data, but also significantly increases their robustness to random transformations, both affine and…

Supervised training of neural networks requires large, diverse and well annotated data sets. In the medical field, this is often difficult to achieve due to constraints in time, expert knowledge and prevalence of an event. Artificial data…

Image and Video Processing · Electrical Eng. & Systems 2021-10-01 Andreas Wachter , Werner Nahm

The paper presents a novel technique called "Structural Crossing-Over" to synthesize qualified data for training machine learning-based handwriting recognition. The proposed technique can provide a greater variety of patterns of training…

Computer Vision and Pattern Recognition · Computer Science 2014-12-19 Sirisak Visessenee , Sanparith Marukatat , Rachada Kongkachandra

Contrast-enhanced Computed Tomography (CT) is important for diagnosis and treatment planning for various medical conditions. Deep learning (DL) based segmentation models may enable automated medical image analysis for detecting and…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Eirik A. Østmo , Kristoffer K. Wickstrøm , Keyur Radiya , Michael C. Kampffmeyer , Karl Øyvind Mikalsen , Robert Jenssen

Graph neural networks, a powerful deep learning tool to model graph-structured data, have demonstrated remarkable performance on numerous graph learning tasks. To address the data noise and data scarcity issues in deep graph learning, the…

Machine Learning · Computer Science 2022-11-22 Kaize Ding , Zhe Xu , Hanghang Tong , Huan Liu

This paper proposes AEDA (An Easier Data Augmentation) technique to help improve the performance on text classification tasks. AEDA includes only random insertion of punctuation marks into the original text. This is an easier technique to…

Computation and Language · Computer Science 2021-08-31 Akbar Karimi , Leonardo Rossi , Andrea Prati

Prompt learning has emerged as a promising method for adapting pre-trained visual-language models (VLMs) to a range of downstream tasks. While optimizing the context can be effective for improving performance on specific tasks, it can often…

Computation and Language · Computer Science 2025-06-04 Fangming Cui , Jan Fong , Rongfei Zeng , Xinmei Tian , Jun Yu

We implemented a high-performance optical character recognition model for classical handwritten documents using data augmentation with highly variable cropping within the document region. Optical character recognition in handwritten…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Joonmo Ahna , Taehong Jang , Quan Fengnyu , Hyungil Lee , Jaehyuk Lee , Sojung Lucia Kim

Emotion recognition in text, the task of identifying emotions such as joy or anger, is a challenging problem in NLP with many applications. One of the challenges is the shortage of available datasets that have been annotated with emotions.…

Computation and Language · Computer Science 2023-10-31 Anna Koufakou , Diego Grisales , Ragy Costa de jesus , Oscar Fox

This report explores the latest advances in the field of digital document recognition. With the focus on printed document imagery, we discuss the major developments in optical character recognition (OCR) and document image…

Computer Vision and Pattern Recognition · Computer Science 2014-12-16 Eugene Borovikov

Data augmentation is an effective and universal technique for improving generalization performance of deep neural networks. It could enrich diversity of training samples that is essential in medical image segmentation tasks because 1) the…

Image and Video Processing · Electrical Eng. & Systems 2020-12-29 Ju Xu , Mengzhang Li , Zhanxing Zhu

Sketch recognition remains a significant challenge due to the limited training data and the substantial intra-class variance of freehand sketches for the same object. Conventional methods for this task often rely on the availability of the…

Computer Vision and Pattern Recognition · Computer Science 2020-12-04 Ying Zheng , Hongxun Yao , Xiaoshuai Sun , Shengping Zhang , Sicheng Zhao , Fatih Porikli

Recognition of Handwritten Mathematical Expressions (HMEs) is a challenging problem because of the ambiguity and complexity of two-dimensional handwriting. Moreover, the lack of large training data is a serious issue, especially for…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Anh Duc Le , Bipin Indurkhya , Masaki Nakagawa

This survey paper presents a brief overview of recent research on graph data augmentation and few-shot learning. It covers various techniques for graph data augmentation, including node and edge perturbation, graph coarsening, and graph…

Machine Learning · Computer Science 2023-11-28 Kush Kothari , Bhavya Mehta , Reshmika Nambiar , Seema Shrawne

A continued issue for those working with computational tools and endangered and under-resourced languages is the lower accuracy of results for languages with smaller amounts of data. We attempt to ameliorate this issue by using data…

Computation and Language · Computer Science 2025-04-10 Alessio Tosolini , Claire Bowern

In supervised machine learning (SML) research, large training datasets are essential for valid results. However, obtaining primary data in learning analytics (LA) is challenging. Data augmentation can address this by expanding and…

Machine Learning · Computer Science 2024-12-04 Valdemar Švábenský , Conrad Borchers , Elizabeth B. Cloude , Atsushi Shimada

Data augmentation is a widely used technique and an essential ingredient in the recent advance in self-supervised representation learning. By preserving the similarity between augmented data, the resulting data representation can improve…

Machine Learning · Statistics 2025-01-16 Shulei Wang

Data-hungry deep neural networks have established themselves as the standard for many NLP tasks including the traditional sequence tagging ones. Despite their state-of-the-art performance on high-resource languages, they still fall behind…

Computation and Language · Computer Science 2021-11-19 Gözde Gül Şahin

Handwritten Numeral recognition plays a vital role in postal automation services especially in countries like India where multiple languages and scripts are used Discrete Hidden Markov Model (HMM) and hybrid of Neural Network (NN) and HMM…

Neural and Evolutionary Computing · Computer Science 2012-03-20 Anshuman Sharma
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