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Show training of the Uni Baskets Paderborn before the official welcome of the freshmen in the Maspernhalle. Show image information
Acrobatics by cheerleaders of Paderborn Hornets Lacrosse e. V. to get into the right mood. Show image information
In the winter semester 2018/19 3,793 new students are welcomed at Paderborn University. Show image information
University sports in Paderborn also offer extraordinary sports. Here: Realistic sword fighting. Show image information
For many students, the lecture period is the beginning of their daily university life - the freshmen start a new phase in their lives. Show image information
Paderborn University wishes all students a successful start into the winter semester 2018/19. Show image information

First semester welcome winter semester 2018/19

Show training of the Uni Baskets Paderborn before the official welcome of the freshmen in the Maspernhalle.

Photo: Paderborn University, Johannes Pauly

First semester welcome winter semester 2018/19

Acrobatics by cheerleaders of Paderborn Hornets Lacrosse e. V. to get into the right mood.

Photo: Paderborn University, Johannes Pauly

First semester welcome winter semester 2018/19

In the winter semester 2018/19 3,793 new students are welcomed at Paderborn University.

Photo: Paderborn University, Johannes Pauly

First semester welcome winter semester 2018/19

University sports in Paderborn also offer extraordinary sports. Here: Realistic sword fighting.

Photo: Paderborn University, Johannes Pauly

First semester welcome winter semester 2018/19

For many students, the lecture period is the beginning of their daily university life - the freshmen start a new phase in their lives.

Photo: Paderborn University, Johannes Pauly

First semester welcome winter semester 2018/19

Paderborn University wishes all students a successful start into the winter semester 2018/19.

Photo: Paderborn University, Johannes Pauly

Lukas Drude

Contact
Publications
 Lukas Drude

Communications Engineering

Research Assistant - Research & Teaching

Phone:
+49 5251 60-5288
Fax:
+49 5251 60-3627
Office:
P7.2.06 (Map)
Web:
Visitor:
Pohlweg 47-49
33098 Paderborn
Postal Address:
Warburger Str. 100
33098 Paderborn

Conference papers

NARA-WPE: A Python package for weighted prediction error dereverberation in Numpy and Ternsorflow for online and offline processing
Lukas Drude, Jahn Heymann, Christoph Boeddeker, Reinhold Haeb-Umbach
In ITG 2018, Oldenburg, Germany. October 2018

Integrating neural network based beamforming and weighted prediction error dereverberation
Lukas Drude, Christoph Boeddeker, Jahn Heymann, Keisuke Kinoshita, Marc Delcroix, Tomohiro Nakatani, Reinhold Haeb-Umbach
In INTERSPEECH 2018, Hyderabad, India. September 2018

Deep attractor networks for speaker re-identification and blind source separation
Lukas Drude, Thilo von Neumann, Reinhold Haeb-Umbach
In Proc. IEEE Intl. Conf. on Acoustics, Speech and Signal Processing (ICASSP). 2018

Dual frequency- and block-permutation alignment for deep learning based block-online blind source separation,
Lukas Drude, Takuya Higuchi, Keisuke Kinoshita, Tomohiro Nakatani, Reinhold Haeb-Umbach
In Proc. IEEE Intl. Conf. on Acoustics, Speech and Signal Processing (ICASSP). 2018

Listening to each speaker one by one with recurrent selective hearing networks
Keisuke Kinoshita, Lukas Drude, Marc Delcroix, Tomohiro Nakatani
In Proc. IEEE Intl. Conf. on Acoustics, Speech and Signal Processing (ICASSP). 2018

Multi-Stage Coherence Drift Based Sampling Rate Synchronization for Acoustic Beamforming
Joerg Schmalenstroeer, Jahn Heymann, Lukas Drude, Christoph Boeddecker, Reinhold Haeb-Umbach
In IEEE 19th International Workshop on Multimedia Signal Processing (MMSP), London, UK. October 2017

Tight integration of spatial and spectral features for BSS with Deep Clustering embeddings
Lukas Drude, Reinhold Haeb-Umbach
In INTERSPEECH 2017, Stockholm, Schweden. 2017
Best student paper award shortlist

Hidden Markov Model Variational Autoencoder for Acoustic Unit Discovery
Janek Ebbers, Jahn Heymann, Lukas Drude, Thomas Glarner, Reinhold Haeb-Umbach, Bhiksha Raj
INTERSPEECH 2017, Stockholm, Schweden. 2017
Best student paper award

Hidden Markov Model Variational Autoencoder for Acoustic Unit Discovery
Janek Ebbers, Jahn Heymann, Lukas Drude, Thomas Glarner, Reinhold Haeb-Umbach, Bhiksha Raj
In INTERSPEECH 2017, Stockholm, Schweden. 2017

Optimizing Neural-Network Supported Acoustic Beamforming by Algorithmic Differentiation
Christoph Boeddeker, Patrick Hanebrink, Lukas Drude, Jahn Heymann, Reinhold Haeb-Umbach
In Proc. IEEE Intl. Conf. on Acoustics, Speech and Signal Processing (ICASSP). 2017

BEAMNET: End-to-End Training of a Beamformer-Supported Multi-Channel ASR System
Jahn Heymann, Lukas Drude, Christoph Boeddeker, Patrick Hanebrink, Reinhold Haeb-Umbach
In Proc. IEEE Intl. Conf. on Acoustics, Speech and Signal Processing (ICASSP). 2017

Wide Residual BLSTM Network with Discriminative Speaker Adaptation for Robust Speech Recognition
Jahn Heymann, Lukas Drude, Reinhold Haeb-Umbach
CHiME Workshop, San Francisco, USA. 2016

The RWTH/UPB/FORTH System Combination for the 4th CHiME Challenge Evaluation
Tobias Menne, Jahn Heymann, Anastasios Alexandridis, Kazuki Irie, Albert Zeyer, Markus Kitza, Pavel Golik, Ilia Kulikov, Lukas Drude, Ralf Schlüter, Hermann Ney, Reinhold Haeb-Umbach, Athanasios Mouchtaris
CHiME Workshop, San Francisco, USA. 2016

Factor Graph Decoding for Speech Presence Probability Estimation
Thomas Glarner, Mohammad Mahdi Momenzadeh, Lukas Drude, Reinhold Haeb-Umbach
In 12. ITG Fachtagung Sprachkommunikation (ITG 2016). 2016

Noise-Presence-Probability-Based Noise PSD Estimation by Using DNNs
Aleksej Chinaev, Jahn Heymann, Lukas Drude, Reinhold Haeb-Umbach
In 12. ITG Fachtagung Sprachkommunikation (ITG 2016). 2016
Best student paper award

On the appropriateness of complex-valued neural networks for speech enhancement
Lukas Drude, Bhiksha Raj, Reinhold Haeb-Umbach
In INTERSPEECH 2016, San Francisco, USA. 2016

Neural Network Based Spectral Mask Estimation for Acoustic Beamforming
Jahn Heymann, Lukas Drude, Reinhold Haeb-Umbach
In Proc. IEEE Intl. Conf. on Acoustics, Speech and Signal Processing (ICASSP). 2016    

Blind Speech Separation based on Complex Spherical k-Mode Clustering
Lukas Drude, Christoph Boeddeker, Reinhold Haeb-Umbach
In Proc. IEEE Intl. Conf. on Acoustics, Speech and Signal Processing (ICASSP). 2016    

BLSTM supported GEV Beamformer Front-End for the 3RD CHiME Challenge
Jahn Heymann, Lukas Drude, Aleksej Chinaev, Reinhold Haeb-Umbach
In Automatic Speech Recognition and Understanding Workshop (ASRU 2015). 2015    

DOA-Estimation based on a Complex Watson Kernel Method
Lukas Drude, Florian Jacob, Reinhold Haeb-Umbach
In 23th European Signal Processing Conference (EUSIPCO 2015). 2015    

Source Counting in Speech Mixtures by Nonparametric Bayesian Estimation of an infinite Gaussian Mixture Model
Oliver Walter, Lukas Drude, Reinhold Haeb-Umbach
In 40th International Conference on Acoustics, Speech and Signal Processing (ICASSP 2015). 2015

Towards Online Source Counting in Speech Mixtures Applying a Variational EM for Complex Watson Mixture Models
Lukas Drude, Aleksej Chinaev, Dang Hai Tran Vu, Reinhold Haeb-Umbach
In 14th International Workshop on Acoustic Signal Enhancement (IWAENC 2014). 2014

Source Counting in Speech Mixtures Using a Variational EM Approach for Complex Watson Mixture Models
Lukas Drude, Aleksej Chinaev, Dang Hai Tran Vu, Reinhold Haeb-Umbach
In 39th International Conference on Acoustics, Speech and Signal Processing (ICASSP 2014). 2014

Technical reports

On the Computation of Gradients for Statistically Optimum Beamforming Operations
Christoph Boeddeker, Patrick Hanebrink, Lukas Drude, Jahn Heymann, Reinhold Haeb-Umbach
2016

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