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We propose a visualization technique that utilizes neural network embeddings and a generative network to reconstruct original data. This method allows for independent manipulation of individual image embeddings through its non-parametric…

Machine Learning · Computer Science 2023-02-22 Halid Ziya Yerebakan , Gerardo Hermosillo Valadez

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

ECG databases are usually highly imbalanced due to the abundance of Normal ECG and scarcity of abnormal cases. As such, deep learning classifiers trained on imbalanced datasets usually perform poorly, especially on minor classes. One…

Signal Processing · Electrical Eng. & Systems 2022-11-21 Edmond Adib , Fatemeh Afghah , John J. Prevost

Recent advances in deep learning have significantly increased the performance of face recognition systems. The performance and reliability of these models depend heavily on the amount and quality of the training data. However, the…

Computer Vision and Pattern Recognition · Computer Science 2018-02-19 Adam Kortylewski , Andreas Schneider , Thomas Gerig , Bernhard Egger , Andreas Morel-Forster , Thomas Vetter

Machine learning techniques that perform morphological classification of astronomical sources often suffer from a scarcity of labelled training data. Here, we focus on the case of supervised deep learning models for the morphological…

Instrumentation and Methods for Astrophysics · Physics 2023-06-16 Lennart Rustige , Janis Kummer , Florian Griese , Kerstin Borras , Marcus Brüggen , Patrick L. S. Connor , Frank Gaede , Gregor Kasieczka , Tobias Knopp , Peter Schleper

Convolutional Neural Networks (CNNs) can play a key role in Medical Image Analysis under large-scale annotated datasets. However, preparing such massive dataset is demanding. In this context, Generative Adversarial Networks (GANs) can…

Image and Video Processing · Electrical Eng. & Systems 2021-06-04 Changhee Han

The banking sector faces challenges in using deep learning due to data sensitivity and regulatory constraints, but generative AI may offer a solution. Thus, this study identifies effective algorithms for generating synthetic financial…

Machine Learning · Computer Science 2024-12-20 Fabian Sven Karst , Sook-Yee Chong , Abigail A. Antenor , Enyu Lin , Mahei Manhai Li , Jan Marco Leimeister

This paper investigates methods for improving generative data augmentation for deep learning. Generative data augmentation leverages the synthetic samples produced by generative models as an additional dataset for classification with small…

Machine Learning · Computer Science 2023-10-24 Shin'ya Yamaguchi , Daiki Chijiwa , Sekitoshi Kanai , Atsutoshi Kumagai , Hisashi Kashima

In the ever-evolving landscape of social network advertising, the volume and accuracy of data play a critical role in the performance of predictive models. However, the development of robust predictive algorithms is often hampered by the…

Social and Information Networks · Computer Science 2024-11-13 Qikai Yang , Panfeng Li , Xinhe Xu , Zhicheng Ding , Wenjing Zhou , Yi Nian

The increasing reliance on large-scale datasets in machine learning poses significant privacy and ethical challenges, particularly in sensitive domains such as face recognition. Synthetic data generation offers a promising alternative;…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Parsa Rahimi , Damien Teney , Sebastien Marcel

We show that high quality, diverse and realistic-looking diffusion-weighted magnetic resonance images can be synthesized using deep generative models. Based on professional neuroradiologists' evaluations and diverse metrics with respect to…

Computer Vision and Pattern Recognition · Computer Science 2020-06-26 Alejandro Ungría Hirte , Moritz Platscher , Thomas Joyce , Jeremy J. Heit , Eric Tranvinh , Christian Federau

Background: Heart failure (HF) research is constrained by limited access to large, shareable datasets due to privacy regulations and institutional barriers. Synthetic data generation offers a promising solution to overcome these challenges…

Deep learning methods, and in particular convolutional neural networks (CNNs), have led to an enormous breakthrough in a wide range of computer vision tasks, primarily by using large-scale annotated datasets. However, obtaining such…

Computer Vision and Pattern Recognition · Computer Science 2019-01-23 Maayan Frid-Adar , Idit Diamant , Eyal Klang , Michal Amitai , Jacob Goldberger , Hayit Greenspan

Despite the growing availability of high-quality public datasets, the lack of training samples is still one of the main challenges of deep-learning for skin lesion analysis. Generative Adversarial Networks (GANs) appear as an enticing…

Image and Video Processing · Electrical Eng. & Systems 2021-04-22 Alceu Bissoto , Eduardo Valle , Sandra Avila

Deep Neural Networks (DNNs) have improved the accuracy of classification problems in lots of applications. One of the challenges in training a DNN is its need to be fed by an enriched dataset to increase its accuracy and avoid it suffering…

Machine Learning · Computer Science 2020-08-25 Iman Saberi , Fathiyeh Faghih

The success of deep learning models depends on the size and quality of the dataset to solve certain tasks. Here, we explore how far generated data can aid real data in improving the performance of Neural Networks. In this work, we consider…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Sayeh Gholipour Picha , Dawood AL Chanti , Alice Caplier

We introduce deep neural networks for the analysis of anatomical shapes that learn a low-dimensional shape representation from the given task, instead of relying on hand-engineered representations. Our framework is modular and consists of…

Computer Vision and Pattern Recognition · Computer Science 2020-10-05 Benjamin Gutierrez Becker , Ignacio Sarasua , Christian Wachinger

Magnetic Resonance Imaging (MRI) is a vital modality for gaining precise anatomical information, and it plays a significant role in medical imaging for diagnosis and therapy planning. Image synthesis problems have seen a revolution in…

Image and Video Processing · Electrical Eng. & Systems 2024-04-16 Drici Mourad , Kazeem Oluwakemi Oseni

Recent years have witnessed a growing academic and industrial interest in deep learning (DL) for medical imaging. To perform well, DL models require very large labeled datasets. However, most medical imaging datasets are small, with a…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Minh H. Vu , Lorenzo Tronchin , Tufve Nyholm , Tommy Löfstedt

Diabetic retinopathy (DR) is a complication of diabetes that severely affects eyes. It can be graded into five levels of severity according to international protocol. However, optimizing a grading model to have strong generalizability…

Image and Video Processing · Electrical Eng. & Systems 2020-12-22 Yi Zhou , Boyang Wang , Xiaodong He , Shanshan Cui , Ling Shao