Barometric height estimation combined with map-matching in a loosely-coupled Kalman-filter. - Maik Bevermeier; Oliver Walter; Sven Peschke; Reinhold Haeb-Umbach (WPNC, 2010)

Bayesian Feature Enhancement for ASR of Noisy Reverberant Real-World Data. - Alexander Krueger; Oliver Walter; Volker Leutnant; Reinhold Haeb-Umbach (INTERSPEECH, 2012)

Unsupervised word segmentation from noisy input. - Jahn Heymann; Oliver Walter; Reinhold Haeb-Umbach; Bhiksha Raj (ASRU, 2013)

A hierarchical system for word discovery exploiting DTW-based initialization. - Oliver Walter; Timo Korthals; Reinhold Haeb-Umbach; Bhiksha Raj (ASRU, 2013)

Smartphone-based sensor fusion for improved vehicular navigation. - Oliver Walter; Joerg Schmalenstroeer; Andreas Engler; Reinhold Haeb-Umbach (WPNC, 2013)

Iterative Bayesian word segmentation for unsupervised vocabulary discovery from phoneme lattices. - Jahn Heymann; Oliver Walter; Reinhold Haeb-Umbach; Bhiksha Raj (ICASSP, 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 (INTERSPEECH, 2014)

Source counting in speech mixtures by nonparametric Bayesian estimation of an infinite Gaussian mixture model. - Oliver Walter; Lukas Drude; Reinhold Haeb-Umbach (ICASSP, 2015)

Semantic analysis of spoken input using Markov logic networks. - Vladimir Despotovic; Oliver Walter; Reinhold Haeb-Umbach (INTERSPEECH, 2015)

Autonomous Learning of Representations. - Oliver Walter; Reinhold Haeb-Umbach; Bassam Mokbel; Benjamin Paaßen; Barbara Hammer (Künstliche Intell., 2015)

Leveraging Text Data for Word Segmentation for Underresourced Languages. - Thomas Glarner; Benedikt T. Boenninghoff; Oliver Walter; Reinhold Haeb-Umbach (INTERSPEECH, 2017)

Machine learning techniques for semantic analysis of dysarthric speech: An experimental study. - Vladimir Despotovic; Oliver Walter; Reinhold Haeb-Umbach (Speech Commun., 2018)

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 001; Sven Behnke; Joachim Köhler (LREC, 2020)

Bilingual I-Vector Extractor for DNN Hybrid Acoustic Model Training in German Speech Recognition Systems. - Yao Wang; Michael Gref; Oliver Walter; Christoph Schmidt 001 (ITG Conference on Speech Communication, 2021)

SEC-Learn: Sensor Edge Cloud for Federated Learning - Invited Paper. - Patrick Aichroth; Christoph Antes; Pierre Gembatzka; Holger Graf; David S. Johnson 003; Matthias Jung 001; Thomas Kämpfe; Thomas Kleinberger; Thomas Köllmer; Thomas Kuhn 001; Christoph Kutter; Jens Krüger 004; et al. (SAMOS, 2021)

Discovering structure in speech recordings: unsupervised learning of word and phoneme like units for automatic speech recognition. - Oliver Walter (2021)