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Data augmentation has been widely applied as an effective methodology to improve generalization in particular when training deep neural networks. Recently, researchers proposed a few intensive data augmentation techniques, which indeed…

Machine Learning · Computer Science 2019-11-22 Zhuoxun He , Lingxi Xie , Xin Chen , Ya Zhang , Yanfeng Wang , Qi Tian

Chronic wounds are a significant burden on individuals and the healthcare system, affecting millions of people and incurring high costs. Wound classification using deep learning techniques is a promising approach for faster diagnosis and…

Computer Vision and Pattern Recognition · Computer Science 2024-11-06 Harini Narayanan , Sindhu Ghanta

Over the years, the paradigm of medical image analysis has shifted from manual expertise to automated systems, often using deep learning (DL) systems. The performance of deep learning algorithms is highly dependent on data quality.…

Image and Video Processing · Electrical Eng. & Systems 2022-10-04 Sidra Aleem , Teerath Kumar , Suzanne Little , Malika Bendechache , Rob Brennan , Kevin McGuinness

Data augmentation is a crucial technique in deep learning, particularly for tasks with limited dataset diversity, such as skeleton-based datasets. This paper proposes a comprehensive data augmentation framework that integrates geometric…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Nada Aboudeshish , Dmitry Ignatov , Radu Timofte

Automated classification of electroencephalogram (EEG) signals is complex due to their high dimensionality, non-stationarity, low signal-to-noise ratio, and variability between subjects. Deep neural networks (DNNs) have shown promising…

Signal Processing · Electrical Eng. & Systems 2024-05-27 Gustavo H. Rodrigues , Bruno Aristimunha , Sylvain Chevallier , Raphael Y. de Camargo

Electrocardiogram (ECG) is the most crucial monitoring modality to diagnose cardiovascular events. Precise and automatic detection of abnormal ECG patterns is beneficial to both physicians and patients. In the automatic detection of…

Signal Processing · Electrical Eng. & Systems 2020-09-10 Naoki Nonaka , Jun Seita

Though data augmentation has become a standard component of deep neural network training, the underlying mechanism behind the effectiveness of these techniques remains poorly understood. In practice, augmentation policies are often chosen…

Machine Learning · Computer Science 2020-06-08 Raphael Gontijo-Lopes , Sylvia J. Smullin , Ekin D. Cubuk , Ethan Dyer

Data augmentation is a technique to improve the generalization ability of machine learning methods by increasing the size of the dataset. However, since every augmentation method is not equally effective for every dataset, you need to…

Machine Learning · Computer Science 2022-05-31 Daisuke Oba , Shinnosuke Matsuo , Brian Kenji Iwana

Building an echocardiography view classifier that maintains performance in real-life cases requires diverse multi-site data, and frequent updates with newly available data to mitigate model drift. Simply fine-tuning on new datasets results…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Kit M. Bransby , Woo-jin Cho Kim , Jorge Oliveira , Alex Thorley , Arian Beqiri , Alberto Gomez , Agisilaos Chartsias

Automated emotion recognition in speech is a long-standing problem. While early work on emotion recognition relied on hand-crafted features and simple classifiers, the field has now embraced end-to-end feature learning and classification…

Audio and Speech Processing · Electrical Eng. & Systems 2022-11-10 Ravi Shankar , Abdouh Harouna Kenfack , Arjun Somayazulu , Archana Venkataraman

There has been an increased interest in applying deep neural networks to automatically interpret and analyze the 12-lead electrocardiogram (ECG). The current paradigms with machine learning methods are often limited by the amount of labeled…

Machine Learning · Statistics 2022-08-12 Jiacheng Zhu , Jielin Qiu , Zhuolin Yang , Douglas Weber , Michael A. Rosenberg , Emerson Liu , Bo Li , Ding Zhao

In this paper, we propose a novel graph-based data augmentation method that can generally be applied to medical waveform data with graph structures. In the process of recording medical waveform data, such as electrocardiogram (ECG) or…

Machine Learning · Computer Science 2025-02-11 Kyung Geun Kim , Byeong Tak Lee

Modeling and manufacturing of personalized cranial implants are important research areas that may decrease the waiting time for patients suffering from cranial damage. The modeling of personalized implants may be partially automated by the…

Computer Vision and Pattern Recognition · Computer Science 2024-06-11 Marek Wodzinski , Kamil Kwarciak , Mateusz Daniol , Daria Hemmerling

Data augmentation is a crucial technique for training robust deep learning models for human motion, where annotated datasets are often scarce. However, generic augmentation methods often ignore the underlying geometric and kinematic…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Bikram De , Habib Irani , Vangelis Metsis

Delineation of the cardiac structures from 2D echocardiographic images is a common clinical task to establish a diagnosis. Over the past decades, the automation of this task has been the subject of intense research. In this paper, we…

Data augmentation is a widely used trick when training deep neural networks: in addition to the original data, properly transformed data are also added to the training set. However, to the best of our knowledge, a clear mathematical…

Machine Learning · Statistics 2020-11-10 Shuxiao Chen , Edgar Dobriban , Jane H Lee

The clinical deployment of deep learning models for high-stakes tasks such as diabetic retinopathy (DR) grading requires demonstrable reliability. While models achieve high accuracy, their clinical utility is limited by a lack of robust…

Computer Vision and Pattern Recognition · Computer Science 2025-08-21 Rizwan Ahamed , Annahita Amireskandari , Joel Palko , Carol Laxson , Binod Bhattarai , Prashnna Gyawali

Time-series data are one of the fundamental types of raw data representation used in data-driven techniques. In machine condition monitoring, time-series vibration data are overly used in data mining for deep neural networks. Typically,…

Machine Learning · Computer Science 2022-01-14 Atik Faysal , Ngui Wai Keng , M. H. Lim

Deep learning models can perform well when evaluated on images from the same distribution as the training set. However, applying small perturbations in the forms of noise, artifacts, occlusions, blurring, etc. to a model's input image and…

Computer Vision and Pattern Recognition · Computer Science 2024-06-10 Zahra Golpayegani , Patrick St-Amant , Nizar Bouguila

Due to the COVID-19 global pandemic, computer-assisted diagnoses of medical images have gained much attention, and robust methods of semantic segmentation of Computed Tomography (CT) images have become highly desirable. In this work, we…

Image and Video Processing · Electrical Eng. & Systems 2023-03-13 Bruno A. Krinski , Daniel V. Ruiz , Rayson Laroca , Eduardo Todt