Department of Electrical Engineering
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Browsing Department of Electrical Engineering by Author "Ali-Gombe, Adamu"
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Item Conditional Variational Autoencoder-Based Sampling(Springer Science and Business Media Deutschland GmbH, 2023) Kamalov, Firuz; Ali-Gombe, Adamu; Moussa, SherifImbalanced data distribution implies an uneven distribution of class labels in data which can lead to classification bias in machine learning models. The present paper proposes an autoencoder-based sampling approach to balance the data. Concretely, the proposed method utilizes a conditional variational autoencoder (VAE) to learn the latent variables underpinning the distribution of minority labels. Then, the trained encoder is employed to produce new minority samples to equalize the sample distribution. The results of numerical experiments reveal the potency of the suggested technique on several datasets. © 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.