3 papers
cs.LG2026
BranchShine: Compact Raw-Audio-to-IPA Transcription with a RoPE E-Branchformer Encoder
Nikhil Navas, Sergio Chevtchenko, Talisson Damiao +1
Speech-to-IPA transcription is useful when the desired output is pronunciation rather than orthographic text, but competitive multilingual systems are often large and evaluation is…
eess.AS2026
Acoustic Imaging for UAV Detection: Dense Beamformed Energy Maps and U-Net SELD
Belman Jahir Rodriguez, Sergio F. Chevtchenko, Marcelo Herrera Martinez +2
We introduce a U-net model for 360° acoustic source localization formulated as a spherical semantic segmentation task. Rather than regressing discrete direction-of-arrival (DoA) a…
cs.LG2025
An End-to-End Approach for Child Reading Assessment in the Xhosa Language
Sergio Chevtchenko, Nikhil Navas, Rafaella Vale +6
Child literacy is a strong predictor of life outcomes at the subsequent stages of an individual's life. This points to a need for targeted interventions in vulnerable low and middl…