Search Results for author: Hugo Botha

Found 4 papers, 2 papers with code

Exploring transfer learning for pathological speech feature prediction: Impact of layer selection

no code implementations2 Feb 2024 Daniela A. Wiepert, Rene L. Utianski, Joseph R. Duffy, John L. Stricker, Leland R. Barnard, David T. Jones, Hugo Botha

There is interest in leveraging AI to conduct automatic, objective assessments of clinical speech, in turn facilitating diagnosis and treatment of speech disorders.

Transfer Learning

SparCA: Sparse Compressed Agglomeration for Feature Extraction and Dimensionality Reduction

1 code implementation26 Jan 2023 Leland Barnard, Farwa Ali, Hugo Botha, David T. Jones

The most effective dimensionality reduction procedures produce interpretable features from the raw input space while also providing good performance for downstream supervised learning tasks.

Dimensionality Reduction feature selection

Risk of re-identification for shared clinical speech recordings

1 code implementation18 Oct 2022 Daniela A. Wiepert, Bradley A. Malin, Joseph R. Duffy, Rene L. Utianski, John L. Stricker, David T. Jones, Hugo Botha

Risk is high for a small search space but drops as the search space grows ($precision >0. 85$ for $<1*10^{6}$ comparisons, $precision <0. 5$ for $>3*10^{6}$ comparisons).

Speaker Recognition

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