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In this paper, we present a crash frequency data augmentation method based on Conditional Generative Adversarial Networks to improve crash frequency models. The proposed method is evaluated by comparing the performance of Base SPFs…

Machine Learning · Computer Science 2021-12-24 Mohammad Zarei , Bruce Hellinga

Accurately interpreting cardiac auscultation signals plays a crucial role in diagnosing and managing cardiovascular diseases. However, the paucity of labelled data inhibits classification models' training. Researchers have turned to…

Sound · Computer Science 2025-06-18 Leigh Abbott , Milan Marocchi , Matthew Fynn , Yue Rong , Sven Nordholm

Electroencephalography (EEG) data are difficult to obtain due to complex experimental setups and reduced comfort with prolonged wearing. This poses challenges to train powerful deep learning model with the limited EEG data. Being able to…

Image and Video Processing · Electrical Eng. & Systems 2020-07-02 Sharaj Panwar , Paul Rad , Tzyy-Ping Jung , Yufei Huang

Accurate Computer-Assisted Diagnosis, associated with proper data wrangling, can alleviate the risk of overlooking the diagnosis in a clinical environment. Towards this, as a Data Augmentation (DA) technique, Generative Adversarial Networks…

Computer Vision and Pattern Recognition · Computer Science 2019-08-23 Changhee Han , Kohei Murao , Tomoyuki Noguchi , Yusuke Kawata , Fumiya Uchiyama , Leonardo Rundo , Hideki Nakayama , Shin'ichi Satoh

Data augmentation is a technique to generate new training data based on existing data. We evaluate the simple and cost-effective method of concatenating the original data examples to build new training instances. Continued training with…

Computation and Language · Computer Science 2023-06-12 Tsz Kin Lam , Shigehiko Schamoni , Stefan Riezler

The generalizability of machine learning (ML) models for wearable monitoring in stroke rehabilitation is often constrained by the limited scale and heterogeneity of available data. Data augmentation addresses this challenge by adding…

Machine Learning · Computer Science 2024-11-01 Aaron J. Hadley , Christopher L. Pulliam

Healthcare research and development face significant obstacles due to data scarcity and stringent privacy regulations, such as HIPAA and the GDPR, restricting access to essential real-world medical data. These limitations impede innovation,…

Machine Learning · Computer Science 2025-10-17 Md Ibrahim Shikder Mahin , Md Shamsul Arefin , Md Tanvir Hasan

Despite consistent advancement in powerful deep learning techniques in recent years, large amounts of training data are still necessary for the models to avoid overfitting. Synthetic datasets using generative adversarial networks (GAN) have…

Sound · Computer Science 2023-04-05 Yunhao Chen , Yunjie Zhu , Zihui Yan , Jianlu Shen , Zhen Ren , Yifan Huang

Data augmentation has proven to be a promising prospect in improving the performance of deep learning models by adding variability to training data. In previous work with developing a noise robust acoustic-to-articulatory speech inversion…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-02 Yashish M. Siriwardena , Ahmed Adel Attia , Ganesh Sivaraman , Carol Espy-Wilson

Generative Adversarial Networks (GANs) have become exceedingly popular in a wide range of data-driven research fields, due in part to their success in image generation. Their ability to generate new samples, often from only a small amount…

Computation and Language · Computer Science 2019-03-19 Thomas Wiest , Nicholas Cummins , Alice Baird , Simone Hantke , Judith Dineley , Björn Schuller

Deep learning models have demonstrated superior performance in various healthcare applications. However, the major limitation of these deep models is usually the lack of high-quality training data due to the private and sensitive nature of…

Computation and Language · Computer Science 2022-11-15 Qiuhao Lu , Dejing Dou , Thien Huu Nguyen

Deep learning approaches deliver state-of-the-art performance in recognition of spatiotemporal human motion data. However, one of the main challenges in these recognition tasks is limited available training data. Insufficient training data…

Computer Vision and Pattern Recognition · Computer Science 2023-08-14 Junxiao Shen , John Dudley , Per Ola Kristensson

Data augmentation can effectively resolve a scarcity of images when training machine-learning algorithms. It can make them more robust to unseen images. We present a lesion conditional Generative Adversarial Network LcGAN to generate…

Image and Video Processing · Electrical Eng. & Systems 2020-08-10 Manohar Karki , Junghwan Cho , Seokhwan Ko

Generative models are successfully used for image synthesis in the recent years. But when it comes to other modalities like audio, text etc little progress has been made. Recent works focus on generating audio from a generative model in an…

Computer Vision and Pattern Recognition · Computer Science 2018-09-30 Chae Young Lee , Anoop Toffy , Gue Jun Jung , Woo-Jin Han

Deep generative models have emerged as a promising approach in the medical image domain to address data scarcity. However, their use for sequential data like respiratory sounds is less explored. In this work, we propose a straightforward…

Sound · Computer Science 2023-11-14 June-Woo Kim , Chihyeon Yoon , Miika Toikkanen , Sangmin Bae , Ho-Young Jung

Automatic transcription of acoustic guitar fingerpicking performances remains a challenging task due to the scarcity of labeled training data and legal constraints connected with musical recordings. This work investigates a procedural data…

Sound · Computer Science 2025-08-12 Sebastian Murgul , Michael Heizmann

Class imbalance occurs in many real-world applications, including image classification, where the number of images in each class differs significantly. With imbalanced data, the generative adversarial networks (GANs) leans to majority class…

Computer Vision and Pattern Recognition · Computer Science 2022-01-14 Yuchong Yao , Xiaohui Wangr , Yuanbang Ma , Han Fang , Jiaying Wei , Liyuan Chen , Ali Anaissi , Ali Braytee

Due to the data shortage problem, which is one of the major problems in the field of machine learning, the accuracy level of many applications remains well below the expected. It prevents researchers from producing new artificial…

Signal Processing · Electrical Eng. & Systems 2023-02-28 Okan Düzyel , Mehmet Kuntalp

Histopathological analysis is the present gold standard for precancerous lesion diagnosis. The goal of automated histopathological classification from digital images requires supervised training, which requires a large number of expert…

Image and Video Processing · Electrical Eng. & Systems 2021-11-15 Yuan Xue , Jiarong Ye , Qianying Zhou , Rodney Long , Sameer Antani , Zhiyun Xue , Carl Cornwell , Richard Zaino , Keith Cheng , Xiaolei Huang

We present a novel data augmentation method to address the challenge of data scarcity in modeling longitudinal patterns in Electronic Health Records (EHR) of patients using natural language processing (NLP) algorithms. The proposed method…

Machine Learning · Computer Science 2024-02-29 Sunwoong Choi , Samuel Kim