Matthias Wölfel

ORCID

Publication Activity (10 Years)

Years Active: 2003-2024
Publications (10 Years): 44

Top Venues

Mensch & Computer

PervasiveHealth

ArtsIT/DLI

Karlsruhe Institute of Technology, Germany (PHD)

Education History

Karlsruhe Institute of Technology, Germany

PHD

Publications

Marius Butz, Matthias Wölfel
Evaluation of Different Passive Methods for Liveness Detection. ISDFS (2024)
Matthias Wölfel, Mehrnoush Barani Shirzad, Andreas Reich, Katharina Anderer
Knowledge-Based and Generative-AI-Driven Pedagogical Conversational Agents: A Comparative Study of Grice's Cooperative Principles and Trust. Big Data Cogn. Comput. 8 (1) (2024)
Daniel Hepperle, Matthias Wölfel
Similarities and Differences between Immersive Virtual Reality, Real World, and Computer Screens: A Systematic Scoping Review in Human Behavior Studies. Multimodal Technol. Interact. 7 (6) (2023)
Thorsten Zylowski, Matthias Wölfel
An NLP Analysis of ChatGPT's Personality Simulation Capabilities and Implications for Human-centric Explainable AI Interfaces. ICNLSP (2023)
Jonas Deuchler, Wladimir Hettmann, Daniel Hepperle, Matthias Wölfel
Streamlining Physiological Observations in Immersive Virtual Reality Studies with the Virtual Reality Scientific Toolkit. VRW (2023)
Christian Felix Purps, Wladimir Hettmann, Thorsten Zylowski, Nathalia Sautchuk Patricio, Daniel Hepperle, Matthias Wölfel
Exploring Perception and Preference in Public Human-Agent Interaction: Virtual Human Vs. Social Robot. ArtsIT (2) (2023)
Matthias Wölfel, Wladimir Hettmann
Identification of Unreliable Data in in-VR Surveys using Biosignal Sensors. CW (2023)
Tobias Roos, Christian Felix Purps, Christophe Kunze, Matthias Wölfel
Transitioning from Conventional Emergency Devices to Interaction and Voice Assistance - A Case Study on Co-Creating an AI-based Care Assistance and Multimodal Interaction System for Outpatient Care. MuC (Workshopband) (2023)
Melinda C. Braun, Matthias Wölfel
Demands on User Interfaces for People with Intellectual Disabilities, Their Requirements, and Adjustments. PervasiveHealth (2022)
Matthias Wölfel, Christian Felix Purps, Noah Percifull
Enabling Embodied Conversational Agents to Respond to Nonverbal Behavior of the Communication Partner. HCI (3) (2022)
Jonas Deuchler, Daniel Hepperle, Matthias Wölfel
Asymmetric Normalization in Social Virtual Reality Studies. VR Workshops (2022)
Daniel Hepperle, Christian Felix Purps, Jonas Deuchler, Matthias Wölfel
Aspects of visual avatar appearance: self-representation, display type, and uncanny valley. Vis. Comput. 38 (4) (2022)
Wladimir Hettmann, Matthias Wölfel, Marius Butz, Kevin Torner, Janika Finken
Engaging Museum Visitors with AI-Generated Narration and Gameplay. ArtsIT (2022)
Jonas Deuchler, Matthias Wölfel
Lessons Learned in Transferring a Lecture on Virtual Reality into Immersive Virtual Reality. DELFI (2022)
Matthias Wölfel, Lara-Marie Bäsing, Jonas Deuchler
When Left Behind in Multi-User Virtual Reality: Clues to Indicate the Absence of Users. CW (2022)
Trong Nghia Hoang, Andreas Reich, Matthias Wölfel
The First Impression Counts! The Importance of Onboarding for Educational Chatbots. DELFI (2022)
Valeria Zitz, Matthias Wölfel, Rainer Hoffmann
Investigating the Acceptance of the Cognitive Assistant Reflect that Supports Humans in Computer-Oriented Work. CW (2021)
Daniel Hepperle, Tobias Dienlin, Matthias Wölfel
Reducing the Human Factor in Virtual Reality Research to Increase Reproducibility and Replicability. CoRR (2021)
Matthias Wölfel
Towards the Automatic Generation of Pedagogical Conversational Agents from Lecture Slides. ICMTEL (2) (2021)
Christian Felix Purps, Simon Janzer, Matthias Wölfel
Reconstructing Facial Expressions of HMD Users for Avatars in VR. ArtsIT (2021)
Matthias Wölfel, Daniel Hepperle, Christian Felix Purps, Jonas Deuchler, Wladimir Hettmann
Entering a new Dimension in Virtual Reality Research: An Overview of Existing Toolkits, their Features and Challenges. CW (2021)
Marius Butz, Daniel Hepperle, Matthias Wölfel
Influence of Visual Appearance of Agents on Presence, Attractiveness, and Agency in Virtual Reality. ArtsIT (2021)
Daniel Hepperle, Tobias Dienlin, Matthias Wölfel
Reducing the Human Factor in Virtual Reality Research to Increase Reproducibility and Replicability. ISMAR Adjunct (2021)
Melinda C. Braun, Matthias Wölfel, Gregor Renner, Christian Menschik
Accessibility of Different Natural User Interfaces for People with Intellectual Disabilities. CW (2020)
Matthias Wölfel, Daniel Hepperle, Andreas Sieß, Jonas Deuchler
Staging Location-Based Virtual Reality to Improve Immersive Experiences. EAI Endorsed Trans. Creative Technol. 6 (21) (2020)
Daniel Hepperle, Hannah Ödell, Matthias Wölfel
Differences in the Uncanny Valley between Head-Mounted Displays and Monitors. CW (2020)
Tim Schlippe, Shaimaa Alessai, Ghanimeh El-Taweel, Matthias Wölfel, Wajdi Zaghouani
Visualizing Voice Characteristics with Type Design in Closed Captions for Arabic. CW (2020)
Daniel Hepperle, Andreas Siess, Matthias Wölfel
Staging Virtual Reality Exhibits for Bystander Involvement in Semi-public Spaces. ArtsIT/DLI (2019)
Kevin German, Marco Limm, Matthias Wölfel, Silke Helmerdig
Towards Artificial Intelligence Serving as an Inspiring Co-Creation Partner. EAI Endorsed Trans. Creative Technol. 6 (19) (2019)
Daniel Hepperle, Yannick Weiß, Andreas Sieß, Matthias Wölfel
2D, 3D or speech? A case study on which user interface is preferable for what kind of object interaction in immersive virtual reality. Comput. Graph. 82 (2019)
Andreas Sieß, Matthias Wölfel
User color temperature preferences in immersive virtual realities. Comput. Graph. 81 (2019)
Matthias Wölfel, Anna Reinhardt
Immersive Shopping Presentation of Goods in Virtual Reality. CERC (2019)
Matthias Wölfel, Melinda C. Braun, Sandra Beuck
How does Augmented Reality Improve the Play Experience in Current Augmented Reality Enhanced Smartphone Games? CW (2019)
Kevin German, Marco Limm, Matthias Wölfel, Silke Helmerdig
Co-designing Object Shapes with Artificial Intelligence. ArtsIT/DLI (2019)
Melinda C. Braun, Sandra Beuck, Matthias Wölfel, Alexander Scheurer
Investigating Multimodal Warnings for Distracted Smartphone Users on the Move in Potentially Dangerous Situations. Trans. Comput. Sci. 32 (2018)
Andreas Sieß, Matthias Wölfel, Nico Haffner
Color Preference Differences between Head Mounted Displays and PC Screens. CW (2018)
Matthias Wölfel
Rethinking Text: Unleashing the Full Potential of Media to Provide a Better Reading Experience. Int. J. Art Cult. Des. Technol. 7 (2) (2018)
Yannick Weiß, Daniel Hepperle, Andreas Sieß, Matthias Wölfel
What User Interface to Use for Virtual Reality? 2D, 3D or Speech-A User Study. CW (2018)
Andreas Sieß, Daniel Hepperle, Matthias Wölfel, Michael Johansson
Worldmaking: Designing for Audience Participation, Immersion and Interaction in Virtual and Real Spaces. ArtsIT/DLI (2018)
Matthias Wölfel, Joey Schubert
Effects of Electrical Pain Stimuli on Immersion in Virtual Reality. CW (2018)
Daniel Hepperle, Matthias Wölfel
Do you feel what you see?: multimodal perception in virtual reality. VRST (2017)
Ramazan Gündogdu, Alexander Bejan, Christophe Kunze, Matthias Wölfel
Activating people with dementia using natural user interface interaction on a surface computer. PervasiveHealth (2017)
Sandra Beuck, Alexander Scheurer, Matthias Wölfel
Willingness of Distracted Smartphone Users on the Move to be Interrupted in Potentially Dangerous Situations. CW (2017)
Matthias Wölfel
Acceptance of dynamic feedback to poor sitting habits by anthropomorphic objects. PervasiveHealth (2017)
Matthias Wölfel, Angelo Stitz, Tim Schlippe
A Voice Driven Type Design Demo. Mensch & Computer (2015)
Matthias Wölfel, Ulrich Gehmann
To Be There, or Not to Be There, that is the Question. CW (2015)
Andreas Sieß, Kathleen Hübel, Daniel Hepperle, Andreas Dronov, Christian Hufnagel, Julia Aktun, Matthias Wölfel
Incentive Guidance of Crowds by Smart City Lights. Mensch & Computer (2015)
Angelo Stitz, Matthias Wölfel
Reagierende Schriftzeichen. Mensch & Computer (2015)
Matthias Wölfel, Tim Schlippe, Angelo Stitz
Voice driven type design. SpeD (2015)
Andreas Sieß, Kathleen Hübel, Daniel Hepperle, Andreas Dronov, Christian Hufnagel, Julia Aktun, Matthias Wölfel
Hybrid City Lighting - Improving Pedestrians' Safety through Proactive Street Lighting. CW (2015)
Matthias Wölfel, Angelo Stitz
Responsive Type - Introducing Self-Adjusting Graphic Characters. CW (2015)
Ulrich Gehmann, Marco Zampella, Matthias Wölfel
Liberated Formatization. CW (2014)
Matthias Wölfel, Luigi Bucchino
Increasing Customers' Attention using Implicit and Explicit Interaction in Urban Advertisement. ICMI (2014)
Matthias Wölfel
Interacting with Ads in Hybrid Urban Space. CW (2014)
Florian Kraft, Kevin Kilgour, Rainer Saam, Sebastian Stüker, Matthias Wölfel, Tamim Asfour, Alex Waibel
Towards social integration of humanoid robots by conversational concept learning. Humanoids (2010)
Matthias Wölfel
Signal adaptive spectral envelope estimation for robust speech recognition. Speech Commun. 51 (6) (2009)
Matthias Wölfel, Qian Yang, Qin Jin, Tanja Schultz
Speaker identification using warped MVDR cepstral features. INTERSPEECH (2009)
Matthias Wölfel
Enhanced Speech Features by Single-Channel Joint Compensation of Noise and Reverberation. IEEE Trans. Speech Audio Process. 17 (2) (2009)
John W. McDonough, Matthias Wölfel, Emilian Stoimenov
On maximum mutual information speaker-adapted training. Comput. Speech Lang. 22 (2) (2008)
Matthias Wölfel
Predictedwalk with correlation in particle filter speech feature enhancement for robust automatic speech recognition. ICASSP (2008)
Matthias Wölfel, Muntsin Kolss, Florian Kraft, Jan Niehues, Matthias Paulik, Alex Waibel
Simultaneous machine translation of german lectures into english: Investigating research challenges for the future. SLT (2008)
Susanne Burger, Kornel Laskowski, Matthias Wölfel
A Comparative Cross-Domain Study of the Occurrence of Laughter in Meeting and Seminar Corpora. LREC (2008)
Matthias Wölfel
Integration of the predictedwalk model estimate into the particle filter framework. ICASSP (2008)
Muntsin Kolss, Matthias Wölfel, Florian Kraft, Jan Niehues, Matthias Paulik, Alex Waibel
Simultaneous German-English lecture translation. IWSLT (2008)
John W. McDonough, Ken'ichi Kumatani, Tobias Gehrig, Emilian Stoimenov, Uwe Mayer, Stefan Schacht, Matthias Wölfel, Dietrich Klakow
To Separate Speech. MLMI (2007)
Matthias Wölfel, Sebastian Stüker, Florian Kraft
The ISL RT-07 Speech-to-Text System. CLEAR (2007)
Matthias Wölfel
Channel selection by class separability measures for automatic transcriptions on distant microphones. INTERSPEECH (2007)
Florian Kraft, Matthias Wölfel
Humanoid robot noise suppression by particle filters for improved automatic speech recognition accuracy. IROS (2007)
Matthias Wölfel, Friedrich Faubel
Considering Uncertainty by Particle Filter Enhanced Speech Features in Large Vocabulary Continuous Speech Recognition. ICASSP (4) (2007)
Friedrich Faubel, Matthias Wölfel
Overcoming the Vector Taylor Series Approximation in Speech Feature Enhancement - A Particle Filter Approach. ICASSP (4) (2007)
Sebastian Stüker, Christian Fügen, Florian Kraft, Matthias Wölfel
The ISL 2007 English speech transcription system for european parliament speeches. INTERSPEECH (2007)
Alex Waibel, Keni Bernardin, Matthias Wölfel
Computer-supported human-human multilingual communication. INTERSPEECH (2007)
Ken'ichi Kumatani, Tobias Gehrig, Uwe Mayer, Emilian Stoimenov, John W. McDonough, Matthias Wölfel
Adaptive Beamforming With a Minimum Mutual Information Criterion. IEEE Trans. Speech Audio Process. 15 (8) (2007)
Ken'ichi Kumatani, Uwe Mayer, Tobias Gehrig, Emilian Stoimenov, John W. McDonough, Matthias Wölfel
Minimum mutual information beamforming for simultaneous active speakers. ASRU (2007)
Christian Fügen, Shajith Ikbal, Florian Kraft, Ken'ichi Kumatani, Kornel Laskowski, John W. McDonough, Mari Ostendorf, Sebastian Stüker, Matthias Wölfel
The ISL RT-06S Speech-to-Text System. MLMI (2006)
Matthias Wölfel
Warped and Warped-Twice MVDR Spectral Estimation With and Without Filterbanks. MLMI (2006)
Matthias Wölfel
Warped-twice minimum variance distortionless response spectral estimation. EUSIPCO (2006)
Friedrich Faubel, Matthias Wölfel
Coupling particle filters with automatic speech recognition for speech feature enhancement. INTERSPEECH (2006)
Christian Fügen, Matthias Wölfel, John W. McDonough, Shajith Ikbal, Florian Kraft, Kornel Laskowski, Mari Ostendorf, Sebastian Stüker, Ken'ichi Kumatani
Advances in lecture recognition: the ISL RT-06s evaluation system. INTERSPEECH (2006)
Rainer Stiefelhagen, Keni Bernardin, Hazim Kemal Ekenel, John W. McDonough, Kai Nickel, Michael Voit, Matthias Wölfel
Audio-visual perception of a lecturer in a smart seminar room. Signal Process. 86 (12) (2006)
Tobias Gehrig, Ulrich Klee, John W. McDonough, Shajith Ikbal, Matthias Wölfel, Christian Fügen
Tracking and beamforming for multiple simultaneous speakers with probabilistic data association filters. INTERSPEECH (2006)
Alex Waibel, Keni Bernardin, Matthias Wölfel
Computer-Supported Human-Human Multilingual Communication. 50 Years of Artificial Intelligence (2006)
Sebastian Stüker, Christian Fügen, Susanne Burger, Matthias Wölfel
Cross-system adaptation and combination for continuous speech recognition: the influence of phoneme set and acoustic front-end. INTERSPEECH (2006)
Matthias Wölfel, Christian Fügen, Shajith Ikbal, John W. McDonough
Multi-source far-distance microphone selection and combination for automatic transcription of lectures. INTERSPEECH (2006)
Florian Metze, Petra Gieselmann, Hartwig Holzapfel, Tobias Kluge, Ivica Rogina, Alex Waibel, Matthias Wölfel, James L. Crowley, Patrick Reignier, Dominique Vaufreydaz, François Bérard, Bérangère Cohen, Joëlle Coutaz, Sylvie Rouillard, Victoria Arranz, Manuel Bertrán, Horacio Rodríguez
The "FAME" Interactive Space. MLMI (2005)
Dusan Macho, Jaume Padrell, Alberto Abad, Climent Nadeu, Javier Hernando, John W. McDonough, Matthias Wölfel, Ulrich Klee, Maurizio Omologo, Alessio Brutti, Piergiorgio Svaizer, Gerasimos Potamianos, Stephen M. Chu
Automatic Speech Activity Detection, Source Localization, and Speech Recognition on the Chil Seminar Corpus. ICME (2005)
Matthias Wölfel, Kai Nickel, John W. McDonough
Microphone Array Driven Speech Recognition: Influence of Localization on the Word Error Rate. MLMI (2005)
Matthias Wölfel
Frame based model order selection of spectral envelopes. INTERSPEECH (2005)
Matthias Wölfel, John W. McDonough
Combining multi-source far distance speech recognition strategies: beamforming, blind channel and confusion network combination. INTERSPEECH (2005)
Matthias Wölfel, John W. McDonough
Minimum variance distortionless response spectral estimation. IEEE Signal Process. Mag. 22 (5) (2005)
Matthias Wölfel, Hazim Kemal Ekenel
Feature weighted mahalanobis distance: Improved robustness for Gaussian classifiers. EUSIPCO (2005)
Dominik Raub, John W. McDonough, Matthias Wölfel
A cepstral domain maximum likelihod beamformer for speech recognition. INTERSPEECH (2004)
Matthias Wölfel
Speaker dependent model order selection of spectral envelopes. INTERSPEECH (2004)
Matthias Wölfel, John W. McDonough, Alex Waibel
Minimum variance distortionless response on a warped frequency scale. INTERSPEECH (2003)

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Publication Activity (10 Years)

Top Topics

Top Venues

Matthias Wölfel