Oliver Walter

According to our database, Oliver Walter authored at least 16 papers between 2010 and 2021.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of three.

2021

Discovering structure in speech recordings: unsupervised learning of word and phoneme like units for automatic speech recognition.

Oliver Walter

PhD thesis, 2021

SEC-Learn: Sensor Edge Cloud for Federated Learning - Invited Paper.

Patrick Aichroth, Christoph Antes, Pierre Gembatzka, Holger Graf, David S. Johnson, Matthias Jung, Thomas Kämpfe, Thomas Kleinberger, Thomas Köllmer, Thomas Kuhn, Christoph Kutter, Jens Krüger, Dominik Marek Loroch, Hanna M. Lukashevich, Nellie Laleni, Lei Zhang, Johannes Leugering, Rodrigo Martín Fernández, Loreto Mateu, Shaown Mojumder, Benjamin Prautsch, Ferdinand Pscheidl, Karsten Roscher, Sören Schneickert, Frank Vanselow, Paul Wallbott, Oliver Walter, Nico Weber

Proceedings of the Embedded Computer Systems: Architectures, Modeling, and Simulation, 2021

Bilingual I-Vector Extractor for DNN Hybrid Acoustic Model Training in German Speech Recognition Systems.

Yao Wang, Michael Gref, Oliver Walter, Christoph Schmidt

Proceedings of the 14th ITG Conference on Speech Communication, online, September 29, 2021

2020

Multi-Staged Cross-Lingual Acoustic Model Adaption for Robust Speech Recognition in Real-World Applications - A Case Study on German Oral History Interviews.

Michael Gref, Oliver Walter, Christoph Schmidt, Sven Behnke, Joachim Köhler

Proceedings of The 12th Language Resources and Evaluation Conference, 2020

2018

Machine learning techniques for semantic analysis of dysarthric speech: An experimental study.

Vladimir Despotovic, Oliver Walter, Reinhold Haeb-Umbach

Speech Commun., 2018

2017

Leveraging Text Data for Word Segmentation for Underresourced Languages.

Thomas Glarner, Benedikt T. Boenninghoff, Oliver Walter, Reinhold Haeb-Umbach

Proceedings of the Interspeech 2017, 2017

2015

Autonomous Learning of Representations.

Oliver Walter, Reinhold Haeb-Umbach, Bassam Mokbel, Benjamin Paaßen, Barbara Hammer

Künstliche Intell., 2015

Semantic analysis of spoken input using Markov logic networks.

Vladimir Despotovic, Oliver Walter, Reinhold Haeb-Umbach

Proceedings of the INTERSPEECH 2015, 2015

Source counting in speech mixtures by nonparametric Bayesian estimation of an infinite Gaussian mixture model.

Oliver Walter, Lukas Drude, Reinhold Haeb-Umbach

Proceedings of the 2015 IEEE International Conference on Acoustics, 2015

2014

An evaluation of unsupervised acoustic model training for a dysarthric speech interface.

Oliver Walter, Vladimir Despotovic, Reinhold Haeb-Umbach, Jort F. Gemmeke, Bart Ons, Hugo Van hamme

Proceedings of the INTERSPEECH 2014, 2014

Iterative Bayesian word segmentation for unsupervised vocabulary discovery from phoneme lattices.

Jahn Heymann, Oliver Walter, Reinhold Haeb-Umbach, Bhiksha Raj

Proceedings of the IEEE International Conference on Acoustics, 2014

2013

Smartphone-based sensor fusion for improved vehicular navigation.

Oliver Walter, Joerg Schmalenstroeer, Andreas Engler, Reinhold Haeb-Umbach

Proceedings of the 10th Workshop on Positioning, Navigation and Communication, 2013

A hierarchical system for word discovery exploiting DTW-based initialization.

Oliver Walter, Timo Korthals, Reinhold Haeb-Umbach, Bhiksha Raj

Proceedings of the 2013 IEEE Workshop on Automatic Speech Recognition and Understanding, 2013

Unsupervised word segmentation from noisy input.

Jahn Heymann, Oliver Walter, Reinhold Haeb-Umbach, Bhiksha Raj

Proceedings of the 2013 IEEE Workshop on Automatic Speech Recognition and Understanding, 2013

2012

Bayesian Feature Enhancement for ASR of Noisy Reverberant Real-World Data.

Alexander Krueger, Oliver Walter, Volker Leutnant, Reinhold Haeb-Umbach

Proceedings of the INTERSPEECH 2012, 2012

2010

Barometric height estimation combined with map-matching in a loosely-coupled Kalman-filter.

Maik Bevermeier, Oliver Walter, Sven Peschke, Reinhold Haeb-Umbach

Proceedings of the 7th Workshop on Positioning Navigation and Communication, 2010