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Researcher profile

Johan A. du Preez

2 papers in the PaperMetrix corpus

Publications

Papers by this author

  1. A Temporal Extension of Latent Dirichlet Allocation for Unsupervised Acoustic Unit Discovery

    2022 · arXiv (Cornell University)

    Latent Dirichlet allocation (LDA) is widely used for unsupervised topic modelling on sets of documents. No temporal information is used in the model. However, there is often a relationship between the corresponding topics of consecutive …

  2. On the link between generative semi-supervised learning and generative open-set recognition

    2023 · Scientific African

    This study investigates the relationship between semi-supervised learning (SSL, which is training off partially labelled datasets) and open-set recognition (OSR, which is classification with simultaneous novelty detection) under the context of generative adversarial networks (GANs). …