Thomas Niesler

发表

A dynamic programming framework for neural network-based automatic speech segmentation

Van Zyl van Vuuren, Louis ten Bosch, Thomas Niesler, 2013, INTERSPEECH.

Multilingual Neural Network Acoustic Modelling for ASR of Under-Resourced English-isiZulu Code-Switched Speech

Thomas Niesler, Astik Biswas, Emre Yilmaz, 2018, INTERSPEECH.

Cluster Size Management in Multi-Stage Agglomerative Hierarchical Clustering of Acoustic Speech Segments pdf

Thomas Niesler, Lerato Lerato, T. Niesler, 2018, ArXiv.

COVID-19 Cough Classification using Machine Learning and Global Smartphone Recordings pdf

Thomas Niesler, Madhurananda Pahar, Marisa Klopper, 2020, ArXiv.

Perceptual evaluation of the effect of mismatched Fujisaki model commands and surface tone in Sesotho

Thomas Niesler, Hansjörg Mixdorff, Lehlohonolo Mohasi, 2014 .

Multi-accent acoustic modelling of South African English

Thomas Niesler, Herman Kamper, Félicien Jeje Muamba Mukanya, 2012, Speech Commun..

Experiments in broadcast news transcription

Thomas Niesler, Thomas Hain, Steve J. Young, 1998, Proceedings of the 1998 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP '98 (Cat. No.98CH36181).

A Study on the Perception of Tone and Intonation in Sesotho

Thomas Niesler, Hansjörg Mixdorff, Lehlohonolo Mohasi, 2011, INTERSPEECH.

Investigating parameters for unsupervised clustering of speech segments using TIMIT

Thomas Niesler, Lerato Lerato, 2012 .

Feature trajectory dynamic time warping for clustering of speech segments

Thomas Niesler, Lerato Lerato, 2019, EURASIP J. Audio Speech Music. Process..

High-level rapid prototyping of graphical models

Thomas Niesler, Hendrik de Villiers, Lynette van Zijl, 2015, 2015 Pattern Recognition Association of South Africa and Robotics and Mechatronics International Conference (PRASA-RobMech).

Statistical classification of radio frequency interference (RFI) in a radio astronomy environment

Thomas Niesler, Cornelis Johannes Wolfaardt, David Davidson, 2016, 2016 Pattern Recognition Association of South Africa and Robotics and Mechatronics International Conference (PRASA-RobMech).

Variable-length categoryn-gram language models

Thomas Niesler, Philip C. Woodland, 1999, Comput. Speech Lang..

A whistle-stop tour of automatic speech recognition

Thomas Niesler, 2013 .

Synthesising isiZulu-English Code-Switch Bigrams Using Word Embeddings

Thomas Niesler, Ewald van der Westhuizen, 2017, INTERSPEECH.

Automatic Speech Recognition for Humanitarian Applications in Somali

Thomas Niesler, Astik Biswas, Raghav Menon, 2018, SLTU.

Automatic sub-word unit discovery and pronunciation lexicon induction for ASR with application to under-resourced languages

Thomas Niesler, Wiehan Agenbag, T. Niesler, 2019, Comput. Speech Lang..

DEVELOPMENT OF A SPOKEN DIALOGUE SYSTEM OPERATING IN AFRIKAANS, SOUTH AFRICAN ENGLISH AND XHOSA

Thomas Niesler, M Tait, A Visagie, 2005 .

Experiments in automatic assessment of oral proficiency and listening comprehension for bilingual South African speakers of English.

Thomas Niesler, C VanderWalt, F deWet, 2008 .

Automatically assessing the oral proficiency of proficient L2 speakers

Thomas Niesler, Febe de Wet, Pieter Müller, 2009, SLaTE.

Optimisation of acoustic models for a target accent using decision-tree state clustering

Thomas Niesler, Herman Kamper, 2012 .

An Acoustic Analysis of Tone in Sesotho

Thomas Niesler, Hansjörg Mixdorff, Lehlohonolo Mohasi, 2011, ICPhS.

Fast ASR-free and almost zero-resource keyword spotting using DTW and CNNs for humanitarian monitoring pdf

Thomas Niesler, Raghav Menon, Herman Kamper, 2018, INTERSPEECH.

Radio-browsing for developmental monitoring in Uganda

Thomas Niesler, Hugh Cameron, Raghav Menon, 2017, 2017 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP).

The African Speech Technology Project: An Assessment

Thomas Niesler, Justus C. Roux, Philippa H. Louw, 2004, LREC.

Improving Automatically Induced Lexicons for Highly Agglutinating Languages Using Data-Driven Morphological Segmentation

Thomas Niesler, Wiehan Agenbag, 2019, INTERSPEECH.

The impact of accent identification errors on speech recognition of South African English

Thomas Niesler, Herman Kamper, T. Niesler, 2014 .

The effect of code-mixing on accent identification accuracy

Thomas Niesler, Febe de Wet, 2009, Comput. Speech Lang..

Very Low Resource Radio Browsing for Agile Developmental and Humanitarian Monitoring

Thomas Niesler, Hugh Cameron, Raghav Menon, 2017, INTERSPEECH.

Automatic conversion between pronunciations of different English accents

Thomas Niesler, Linsen Loots, T. Niesler, 2011, Speech Commun..

Automatic discovery of subword units and pronunciations for automatic speech recognition using TIMIT

Thomas Niesler, George Goussard, 2010 .

Comparing direct G2P with G2P followed by accent conversion when determining pronunciations for South African English

Thomas Niesler, L Loots, 2010 .

Comparing manually-developed and data-driven rules for P2P learning

Thomas Niesler, Marelie H. Davel, Etienne Barnard, 2009 .

Direction of Arrival Estimation of Wide-band Signals with Planar Microphone Arrays pdf

Thomas Niesler, Rudolf Byker, T. Niesler, 2018, ArXiv.

A First South African Corpus of Multilingual Code-switched Soap Opera Speech

Thomas Niesler, Ewald van der Westhuizen, 2018, LREC.

The relationship between the automatic assessment of oral proficiency and other indicators of first year students' linguistic abilities

Thomas Niesler, C VanderWalt, F deWet, 2012 .

The 1998 HTK system for transcription of conversational telephone speech

Thomas Niesler, Thomas Hain, Philip C. Woodland, 1999, 1999 IEEE International Conference on Acoustics, Speech, and Signal Processing. Proceedings. ICASSP99 (Cat. No.99CH36258).

Resource development and experiments in automatic SA broadcast news transcription

Thomas Niesler, Thomas Hain, Febe de Wet, 2012 .

A New Digital Low-level RF Control System for Cyclotrons

Thomas Niesler, William Duckitt, J. L. Conradie, 2017 .

Baseline Speech Recognition of South African Languages using Lwazi and AST

Thomas Niesler, D vanLeeuwen, Henselmans Dr, 2013 .

A Comparison of Two Prosody Modelling Approaches for Sesotho and Serbian

Thomas Niesler, Milan Secujski, Robert Mak, 2014, SPECOM.

Refining Sparse Coding Sub-word Unit Inventories with Lattice-constrained Viterbi Training

Thomas Niesler, Wiehan Agenbag, 2016, SLTU.

Choosing an integrated radio-frequency module for a wildlife monitoring wireless sensor network

Thomas Niesler, Riaan Wolhuter, Jonathan Wotherspoon, 2017, 2017 IEEE AFRICON.

Almost Zero-Resource ASR-free Keyword Spotting using Multilingual Bottleneck Features and Correspondence Autoencoders pdf

Thomas Niesler, Raghav Menon, Herman Kamper, 2018, ArXiv.

Automatic large-scale oral language proficiency assessment

Thomas Niesler, Febe de Wet, Christa van der Walt, 2007, INTERSPEECH.

Word-to-category backoff language models

Thomas Niesler, Philip C. Woodland, 1996 .

Acoustic modelling of English-accented and Afrikaans-accented South African English

Thomas Niesler, Herman Kamper, Muamba Mukanya Fj, 2010 .

The design, collection and annotation of speech databases in South Africa

Thomas Niesler, Philippa H. Louw, F deWet, 2006 .

Data-driven phonetic comparison and conversion between south african, british and american English pronunciations

Thomas Niesler, Linsen Loots, 2009, INTERSPEECH.

Language-dependent state clustering for multilingual acoustic modelling

Thomas Niesler, T. Niesler, 2007, Speech Commun..

Comparison of part-of-speech and automatically derived category-based language models for speech recognition

Thomas Niesler, Philip C. Woodland, Edward W. D. Whittaker, 1998, Proceedings of the 1998 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP '98 (Cat. No.98CH36181).

Semi-supervised Development of ASR Systems for Multilingual Code-switched Speech in Under-resourced Languages

Thomas Niesler, Emre Yilmaz, Astik Biswas, 2020, LREC.

Pervasive unsupervised adaptation for lecture speech transcription

Shigeru Katagiri, Thomas Niesler, Erik McDermott, 2003, 2003 IEEE International Conference on Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP '03)..

An HMM Based Singing Transcription System

Thomas Niesler, Krige Wa, 2006 .

Modelling word-pair relations in a category-based language model

Thomas Niesler, Philip C. Woodland, 1997, 1997 IEEE International Conference on Acoustics, Speech, and Signal Processing.

Automatic segmentation of TIMIT by dynamic programming

Thomas Niesler, L.F.M. ten Bosch, S. Van Vuuren, 2012 .

Multi-Accent Speech Recognition of Afrikaans, Black and White Varieties of South African English

Thomas Niesler, Herman Kamper, 2011, INTERSPEECH.

Energy benefits of on-board behaviour classification for animal-borne sensor applications

Thomas Niesler, Nobby Stevens, Riaan Wolhuter, 2017, 2017 IEEE SENSORS.

Extending an Afrikaans pronunciation dictionary using Dutch resources and P2P/GP2P

Thomas Niesler, F deWet, L Loots, 2010 .

Improving ASR for Code-Switched Speech in Under-Resourced Languages Using Out-of-Domain Data

Thomas Niesler, Astik Biswas, Febe de Wet, 2018, SLTU.

Combination of word-based and category-based language models

Thomas Niesler, Philip C. Woodland, 1996, Proceeding of Fourth International Conference on Spoken Language Processing. ICSLP '96.

A monophone speech generation system

Thomas Niesler, G Klompje, 2007 .

Practical evaluation of carrier sensing for a LoRa wildlife monitoring network

Thomas Niesler, Nathalie Mitton, Riaan Wolhuter, 2020, 2020 IFIP Networking Conference (Networking).

Automatic assessment of oral language proficiency and listening comprehension

Thomas Niesler, Febe de Wet, Christa van der Walt, 2009, Speech Commun..

Characterisation and simulation of telephone channels using the TIMIT and NTIMIT databases

Thomas Niesler, Herman Kamper, 2009 .

Word-pair relations for category-based language models

Thomas Niesler, Philip C. Woodland, 1997 .

Resource development and experiments in automatic south african broadcast news transcription

Thomas Niesler, Thomas Hain, Febe de Wet, 2012, SLTU.

ASR-free CNN-DTW keyword spotting using multilingual bottleneck features for almost zero-resource languages pdf

Thomas Niesler, Emre Yilmaz, Raghav Menon, 2018, SLTU.

Phoneme- and Word-based Language Identification of South African Languages using Lwazi

Thomas Niesler, D vanLeeuwen, Henselmans Dr, 2013 .

Automatic segmentation and clustering of speech using sparse coding and metaheuristic search

Thomas Niesler, Wiehan Agenbag, T. Niesler, 2015, INTERSPEECH.

Improved low-resource Somali speech recognition by semi-supervised acoustic and language model training

Thomas Niesler, Astik Biswas, Raghav Menon, 2019, INTERSPEECH.

Improvements in accuracy and speed in the HTK broadcast news transcription system

Thomas Niesler, Thomas Hain, Philip C. Woodland, 1999, EUROSPEECH.

Explicit Transition Modelling for Automatic Singing Transcription

Thomas Niesler, Theo Herbst, Willie Krige, 2008 .

Comparative phonetic analysis and phoneme recognition for Afrikaans, English and Xhosa using the African Speech Technology telephone speech databases

Thomas Niesler, Philippa H. Louw, 2004, South Afr. Comput. J..

Feature Exploration for Almost Zero-Resource ASR-Free Keyword Spotting Using a Multilingual Bottleneck Extractor and Correspondence Autoencoders

Thomas Niesler, Raghav Menon, Herman Kamper, 2018, INTERSPEECH.

Comparative evaluation of word- and category-based language models

Thomas Niesler, Philip C. Woodland, 1996 .

Time-optimal control by means of neural networks

Thomas Niesler, J. J. du Plessis, 1995 .

Automatic Speech Recognition of English-isiZulu Code-switched Speech from South African Soap Operas

Thomas Niesler, Ewald van der Westhuizen, 2016, SLTU.

Accent identification in the presence of code-mixing

Thomas Niesler, Febe de Wet, T. Niesler, 2008, Odyssey.

Language identification and multilingual speech recognition using discriminatively trained acoustic models

Thomas Niesler, D. Willett, T. Niesler, 2006 .

Synthesised bigrams using word embeddings for code-switched ASR of four South African language pairs

Thomas Niesler, Ewald van der Westhuizen, 2019, Comput. Speech Lang..

Unsupervised language model adaptation for lecture speech transcription

Thomas Niesler, Daniel Willett, T. Niesler, 2002, INTERSPEECH.

The Effect of Postlexical Deletion on Automatic Speech Recognition in Fast Spontaneously Spoken Zulu

Thomas Niesler, Ewald van der Westhuizen, 2016, INTERSPEECH.

Improved visual speech synthesis using dynamic viseme k-means clustering and decision trees

Thomas Niesler, Christiaan Rademan, 2015, AVSP.

Unconstrained Speech Segmentation using Deep Neural Networks

Van Zyl van Vuuren, Louis ten Bosch, Thomas Niesler, 2015, ICPRAM.

Readability index as a design criterion for elicited imitation tasks in automatic oral proficiency assessment

Thomas Niesler, Febe de Wet, Pieter Müller, 2011, SLaTE.

A variable-length category-based n-gram language model

Thomas Niesler, Philip C. Woodland, P. Woodland, 1996, 1996 IEEE International Conference on Acoustics, Speech, and Signal Processing Conference Proceedings.

Unsupervised adaptation of statistical language models for speech recognition

Thomas Niesler, Daniel Willett, 2003, South Afr. Comput. J..

An Overview of Automatic Behaviour Classification for Animal-Borne Sensor Applications in South Africa

Thomas Niesler, Riaan Wolhuter, Solomon le Roux, 2017, SAWACMMM '17.

Energy-Aware Feature and Model Selection for Onboard Behavior Classification in Low-Power Animal Borne Sensor Applications

Thomas Niesler, Riaan Wolhuter, Solomon Petrus le Roux, 2019, IEEE Sensors Journal.

Capitalising on North American speech resources for the development of a South African English large vocabulary speech recognition system

Thomas Niesler, Thomas Hain, Febe de Wet, 2014, Comput. Speech Lang..

Building a Unified Code-Switching ASR System for South African Languages

Thomas Niesler, Astik Biswas, Emre Yilmaz, 2018, INTERSPEECH.

Semi-supervised acoustic model training for five-lingual code-switched ASR pdf

Thomas Niesler, Astik Biswas, Emre Yilmaz, 2019, INTERSPEECH.

Category-Based Statistical Language Models

Thomas Niesler, T. Niesler, 1997 .

Wake-Cough: cough spotting and cougher identification for personalised long-term cough monitoring pdf

Thomas Niesler, Madhurananda Pahar, Marisa Klopper, 2021, ArXiv.

COVID-19 detection in cough, breath and speech using deep transfer learning and bottleneck features

Thomas Niesler, Madhurananda Pahar, Marisa Klopper, 2021, Computers in Biology and Medicine.

A Hybrid CNN-BiLSTM Voice Activity Detector

Thomas Niesler, Nicholas Wilkinson, T. Niesler, 2021, ICASSP 2021 - 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP).

Machine Learning based COVID-19 Detection from Smartphone Recordings: Cough, Breath and Speech pdf

Thomas Niesler, Madhurananda Pahar, T. Niesler, 2021, ArXiv.

Optimised Code-Switched Language Model Data Augmentation in Four Under-Resourced South African Languages

Thomas Niesler, Joshua Jansen van Vueren, 2021, SPECOM.

Machine Learning Prediction of Hospitalization due to COVID-19 based on Self-Reported Symptoms: A Study for Brazil

Thomas Niesler, Madhurananda Pahar, Gildeberto S. Cardoso, 2021, 2021 IEEE EMBS International Conference on Biomedical and Health Informatics (BHI).

Automatic Non-Invasive Cough Detection based on Accelerometer and Audio Signals pdf

Thomas Niesler, Madhurananda Pahar, Igor Miranda, 2021, Journal of Signal Processing Systems.

Deep Neural Network Based Cough Detection Using Bed-Mounted Accelerometer Measurements

Thomas Niesler, Madhurananda Pahar, Igor Miranda, 2021, ICASSP 2021 - 2021 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP).

Multilingual Training Set Selection for ASR in Under-Resourced Malian Languages

Thomas Niesler, Trideba Padhi, Ewald van der Westhuizen, 2021, SPECOM.

Feature learning for efficient ASR-free keyword spotting in low-resource languages

Thomas Niesler, Raghav Menon, Ewald van der Westhuizen, 2021, Comput. Speech Lang..

COVID-19 cough classification using machine learning and global smartphone recordings

Thomas Niesler, Madhurananda Pahar, Marisa Klopper, 2021, Computers in Biology and Medicine.

Automatic cough classification for tuberculosis screening in a real-world environment

Thomas Niesler, Madhurananda Pahar, Marisa Klopper, 2021, Physiological measurement.

Machine Learning Prediction of Hospitalization due to COVID-19 based on Self-Reported Symptoms: A Study for Brazil

Thomas Niesler, Madhurananda Pahar, Igor Miranda, 2021, 2021 IEEE EMBS International Conference on Biomedical and Health Informatics (BHI).

Automatic classification of sheep behaviour using 3-axis accelerometer data

Thomas Niesler, Riaan Wolhuter, Jacques Marais, 2015 .