Search Results for author: Karel Veselý

Found 6 papers, 1 papers with code

Call-sign recognition and understanding for noisy air-traffic transcripts using surveillance information

no code implementations13 Apr 2022 Alexander Blatt, Martin Kocour, Karel Veselý, Igor Szöke, Dietrich Klakow

The introduced data augmentation adds additional performance on high WER transcripts and allows the adaptation of the model to unseen airspaces.

Data Augmentation

Contextual Semi-Supervised Learning: An Approach To Leverage Air-Surveillance and Untranscribed ATC Data in ASR Systems

no code implementations8 Apr 2021 Juan Zuluaga-Gomez, Iuliia Nigmatulina, Amrutha Prasad, Petr Motlicek, Karel Veselý, Martin Kocour, Igor Szöke

Results show that `unseen domains' (e. g. data from airports not present in the supervised training data) are further aided by contextual SSL when compared to standalone SSL.

Automatic Speech Recognition Management +1

BUT Opensat 2019 Speech Recognition System

no code implementations30 Jan 2020 Martin Karafiát, Murali Karthick Baskar, Igor Szöke, Hari Krishna Vydana, Karel Veselý, Jan "Honza'' Černocký

The paper describes the BUT Automatic Speech Recognition (ASR) systems submitted for OpenSAT evaluations under two domain categories such as low resourced languages and public safety communications.

Automatic Speech Recognition Data Augmentation +1

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