Tröster, Gerhard, Prof. Dr.

Prof. Dr.  Gerhard Tröster

Prof. Dr. Gerhard Tröster

Institut für Elektronik 

ETZ  H 89 

Gloriastrasse 35

8092 Zürich


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  • phone (Sec.) +41 44 632 27 41 
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Additional information

Research area

  • Wearable Computing
  • Context recognition
  • Opportunistic sensing
  • Crowd monitoring and sensing
  • Application in healthcare, sport, music
  • Flexible thinfilm electronics
  • IGZO devices and circuits
  • Mechanically flexible sensors
  • Transfer of electronic membrane

Curriculum Vitae

Gerhard Tröster has been Full Professor of Electronics at the ETH Zurich since August 1993. He heads the discipline of "Digital Systems & Wearable Computing" at the Electronics Laboratory.

Gerhard Tröster was born in Würzburg in 1953. He studied electrical engineering in Darmstadt and Karlsruhe, earning his doctorate in 1984 at the Technical University Darmstadt with a dissertation about the design of integrated circuits. During the eight years he spent at Telefunken (atmel) in Heilbronn, his research interests were concentrated on design methods of analog/digital systems in CMOS and BiCMOS technology. Various national and international research projects have focused on the development of key components for the ISDN and digital mobile telephones. Since 1993 he directs the Electronics Laboratory at the ETH. In 1997 he co-founded the spin-off u-blox ag.


Course Catalogue

Autumn Semester 2017

Number Unit
227-0003-00L Digital Circuits 
227-0005-10L Digital Circuits Laboratory 
227-0197-00L Wearable Systems I 

Some Recent Publications

  • Recognizing Composite Daily Activities from Crowd-Labelled Social Media Data. Zhu, Zack; Satizábal, Héctor; Blanke, Ulf; Perez-Uribe, Andres; Tröster, Gerhard in: Pervasive and Mobile Computing (2016), Volume: 26, 103-120
  • Metal oxide semiconductor thin-film transistors for flexible electronics. Petti, Luisa; Münzenrieder, Niko; Vogt, Christian; Faber, Hendrik; Büthe, Lars; Cantarella, Giuseppe; Bottacchi, Francesca; Anthopoulos, Thomas D.; Tröster, Gerhard in: Applied Physics Reviews (2016), Volume: 3, 021303
  • Supporting One-Time Point Annotations for Gesture Recognition. Nguyen-Dinh, Long-Van; Calatroni, Alberto; Tröster, Gerhard in: IEEE Transactions on Pattern Analysis and Machine Intelligence (2016)
  • Entirely Flexible On-Site Conditioned Magnetic Sensorics.  Münzenrieder, Niko; Karnaushenko, Daniil; Petti, Luisa; Cantarella, Giuseppe; Vogt, Christian; Büthe, Lars; Karnaushenko, Dmitriy D.; Schmidt, Oliver G.; Makarov, Denys; Tröster, Gerhard in: Advanced Electronic Materials (2016), Volume: 2, 1600188.
  • The Role of Wrist-Mounted Inertial Sensors in Detecting Gait Freeze Episodes in Parkinson's Disease. Mazilu, Sinziana; Blanke, Ulf; Calatroni, Alberto; Gazit, Eran; Hausdorff, Jeffrey M; Tröster, Gerhard in: Pervasive and Mobile Computing (2016)
  • Flexible a-IGZO Phototransistor for Instantaneous and Cumulative UV-Exposure Monitoring for Skin Health. Knobelspies, Stefan; Daus, Alwin; Cantarella, Giuseppe; Petti, Luisa; Münzenrieder, Niko; Tröster, Gerhard; Salvatore, Giovanni A. in: Advanced Electronic Materials (2016), Volume: 2, 1600273.
  • S-SMART: A Unified Bayesian Framework for Simultaneous Semantic Mapping, Activity Recognition and Tracking. Hardegger, Michael; Roggen, Daniel; Calatroni, Alberto; Tröster, Gerhard in: ACM Transactions on Intelligent Systems and
    Technology (2016), Volume: 7, 34
  • Positive charge trapping phenomenon in n-channel thin-film transistors with amorphous alumina gate insulators. Daus, Alwin; Vogt, Christian; Münzenrieder, Niko; Petti, Luisa; Knobelspies, Stefan; Cantarella, Giuseppe; Luisier, Mathieu; Salvatore, Giovanni A.; Tröster, Gerhard in: Journal of Applied Physics (2016), Volume: 120, 244501.
  • Flexible In-Ga-Zn-O Thin-Film Transistors on Elastomeric Substrate Bent to 2.3% Strain. Cantarella, G.; Münzenrieder, N.; Petti, L.; Vogt, C.; Büthe, L.; Salvatore, G.A.; Daus, A.; Tröster, G. in: IEEE Electron Device Letters, Volume: 36, 781-783, 2015.
  • 3D ActionSLAM: Wearable person tracking in multi-floor environments, Hardegger, Michael; Roggen, Daniel; Tröster, Gerhard in: Personal and ubiquitous computing, Volume: 19, 123-141, 2015.
  • A Wearable Assistant for Gait Training for Parkinson’s Patients with Freezing of Gait in Out-of-the-Lab Environments. Mazilu, Sinziana; Blanke, Ulf; Dorfman, Moran; Gazit, Eran; Mirelman, Anat; Hausdorff, Jeffrey M; Tröster, Gerhard in: ACM Transactions on Interactive Intelligent Systems (TiiS), 2015
  • Prediction of Freezing of Gait in Parkinson's From Physiological Wearables: An Exploratory Study. Mazilu, Sinziana; Calatroni, Alberto; Gazit, Eran; Mirelman, Anat; Hausdorff, Jeffrey M.; Tröster, Gerhard in: IEEE Journal of Biomedical and Health Informatics, Volume: 19, 1843-1854, 2015.
  • Stretchable and Conformable Oxide Thin-Film Electronics. Münzenrieder, Niko; Cantarella, Giuseppe; Vogt, Christian; Petti, Luisa; Büthe, Lars; Salvatore, Giovanni A.; Fang, Yang; Andri, Renzo; Lam, Yawhuei; Libanori, Rafael; Widner, Daniel; Studart, André R.; Troster, Gerhard in: Advanced Electronic Materials, Volume: 1, 1400038, 2015.
  • Low-temperature spray-deposited indium oxid for flexible thin-film transistors and integrated circuits. Petti, Luisa; Faber, Hendrik; Münzenrieder, Niko; Cantarella, Giuseppe; Patsalas, Panos A.; Tröster, Gerhard; Anthopoulos, Thomas D. in: Applied Physics Letters, Volume: 106, 092105, 2015.
  • Automated Romberg Testing in Patients With Benign Paroxysmal Positional Vertigo and Healthy Subjects. Adelsbeger, Rolf; Valko, Yulia; Straumann, Dominik; Tröster, Gerhard in: IEEE Transactions on Biomedical Engineering, Volume: 62, 373-381, 2015.
  • Daily Life Activity Routine Discovery in Hemiparetic Rehabilitation Patients Using Topic Models. Seiter, Julia; Derungs, Adrian; Schuster-Amft, Corina; Amft, Oliver; Tröster, Gerhard in: Methods of Information in Medicine, Volume: 54, 248-255, 2015.
  • Naturalistic Recognition of Activities and Mood Using Wearable Electronics. Zhu, Zack; Satizábal, Héctor; Blanke, Ulf; Perez-Uribe, Andres; Tröster, Gerhard. IEEE Transactions on Affective Computing, 2015
  • Sensing spatial and temporal coordination in teams using the smartphone, Sebastian Feese, Michael Josef Burtscher , Klaus Jonas and Gerhard Tröster in: Human-centric Computing and Information Sciences 2014
  • Smart-Phone Based Recognition of States and State Changes in Bipolar Disorder Patients, Agnes Grünerbl, Venet Osmani, Amir Muaremi, Gernot Bahle, Stefan Öhler, Gerhard Tröster, Oscar Mayora, Christian Haring and Paul Lukowicz in: JOURNAL OF BIOMEDICAL AND HEALTH INFORMATICS,TELEHEALTH SYSTEMS AND APPLICATIONS, 2014
  • Wafer-scale design of lightweight and transparent electronics that wraps around hairs, G. Salvatore, N. Münzenrieder, T. Kinkeldei, L. Petti, C. Zysset, I. Strebel, L. Büthe, G. Tröster (2014) in: Nature Communications DOI: 10.1038/ncomms3982, Jan 2014
  • Monitoring Stress Arousal in the Wild, Martin Kusserow, Oliver Amft, Gerhard Tröster in:PERVASIVE Computing April–June 2013 PERVASIVE Computing
  • Textile integrated sensors and actuators for near-infrared spectroscopy, C. Zysset, N. Nasseri, L. Büthe, N. Münzenrieder, T. Kinkeldei, L. Petti, S. Kleiser, G. Salvatore, M Wolf, G Tröster in: Optics Express, 21:3(3213 – 3224), 2013
  • Modeling Arousal Phases in Daily Living Using Wearable Sensors, Martin Kusserow,Oliver Amft, and Gerhard Tröster in: IEEE TRANSACTIONS ON AFFECTIVE COMPUTING, VOL. 4, NO. 1, JANUARY-MARCH 2013, pp93-105
  • Towards Measuring Stress with Smartphones and Wearable Devices During Workday and Sleep, Amir Muaremi, Bert Arnrich, Gerhard Tröster in: BioNanoSci. (2013) 3:172–183 DOI 10.1007/s12668-013-0089-2
  • Fabrication and Transfer of Flexible Few-Layers MoS2 Thin Film Transistors to Any Arbitrary Substrate, Giovanni A. Salvatore, Niko Münzenrieder, Clement Barraud, Luisa Petti, Christoph Zysset, Lars Büthe, Klaus Ensslin, and Gerhard Tröster in: ACS Nano OL. 7 ’ NO. 10 ’ 8809–8815 ’ 2013
  • Monitoring motor capacity changes of children during rehabilitation using body-worn sensors, C. Strohrmann, R. Labruyère, C. Gerber, H. van Hedel, B. Arnrich, G. Tröster in: Journal of NeuroEngineering and Rehabilitation, 30 July 2013
  • Opportunistic Human Activity and Context Recognition, D. Roggen, G. Tröster, P. Lukowicz, A. Ferscha, J. del Millán, R. Chavarriaga in: IEEE Computer 46(2): 36-45 (2013)
  • Using Mobile Technology and a Participatory Sensing Approach for Crowd Monitoring and Management During Large-Scale Mass Gatherings, M. Wirz, E. Mitleton-Kelly, T. Franke, V. Camilleri, M. Montebello, D. Roggen, P. Lukowicz, G. Troster in:in E. Mitleton-Kelly (ed.), Co-evolution of Intelligent Socio-technical Systems, (61-77) 2013
  • 2-D thin film temperature sensors fabricated on a 3-D nylon yarn surface for smart textile applications, Thomas Kinkeldei, Claude Denier, Christoph Zysset, Niko Muenzenrieder, Gerhard Tröster in: Research Journal Textile and Apparel RJTA Vol. 17 No. 2 2013Conferences


  • Informative Yet Unrevealing: Semantic Obfuscation for Location Based Sevices. Yang, Jing; Zhu, Zack; Seiter, Julia; Tröster, Gerhard in: Proceedings of the 1st ACM SIGSPATIAL International Workshop on Privacy in Geographic Information Collection and Analysis (2016)
  • Digital output flexible tilt sensor with conductive microspheres. Büthe, Lars; Vogt, Christian; Petti, Luisa; Cantarella, Giuseppe; Münzenrieder, Niko; Tröster, Gerhard in: Proceedings of the IEEE Sensors 2015, Busan, South Korea
  • A Ball-Grid-Array-like Electronics-to-Textile Pocket Connector for Wearable Electronics. Mehmann, Andreas; Varga, Matija; Gönner, Karl; Tröster, Gerhard in: Proceedings of the 2015 ACM International Symposium on Wearable Computers (ISWC '15),
  • Joint segmentation and activity discovery using semantic and temporal priors. Seiter, Julia; Chiu, Weichen; Fritz, Mario; Amft, Oliver; Tröster, Gerhard in: Proceedings of the 2015 IEEE International Conference on Pervasive Computing and Communications (PerCom), 2015.
  • Design and simulation of a 800 Mbit/s data link for magnetic resonance imaging wearables. Vogt, Christian; Büthe, Lars; Petti, Luisa; Cantarella, Giuseppe; Münzenrieder, Niko; Daus, Alwin; Tröster, Gerhard in: 2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2015
  • Learning Functional Composition of Urban Spaces with Crowd-Augmented Travel Survey Data. Zhu, Zack; Yang, Jing; Zhong, Chen; Seiter, Julia; Tröster, Gerhard in: 23rd International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL 2015), Seattle, WA, USA , 2015
  • Sensor and Software Technologies for Lip Pressure Measurements in Trumpet and Cornet Playing - from Lab to Classroom. Tobias Grosshauser; Gerhard Tröster; Matthias Bertsch; Anuschka Thul i: Conference Proceedings SMC 2015
  • GaitAssist: A Daily-Life Support and Training System for Parkinson’s Disease Patients with Freezing of Gait, Sinziana Mazilu, Ulf Blanke, Michael Hardegger, Gerhard Tröster, Eran Gazit2, and Jeffrey M. Hausdorff, in: CHI2014Annual ACM Conference on Human Factors in Computing Systems, 2531-2540 [Best Demo Award]
  • Mechanically flexible vertically integrated a-IGZO thin-film transistors with 500 nm channel length fabricated on free standing plastic foil, L. Petti, P. Aguirre, N. Münzenrieder, G. Salvatore, C. Zysset, A. Frutiger, L. Büthe, C. Vogt, G. Tröster in: IEEE International Electron Devices Meeting (IEDM), 2013 (296-299)
  • CoenoFire: Monitoring Performance Indicators of Firefighters in Real-world Missions using Smartphones, S. Feese, B. Arnrich, M. Burtscher, B. Meyer, K. Jonas, G. Tröster in: ACM UbiComp, (83-92), 2013
  • Human Activity Recognition Using Social Media Data, Zack Zhu, Ulf Blanke, Alberto Calatroni, Gerhard Tröster in: MUM 2013 12th Int. Conf. on Mobile and Ubiquitous Multimedia [Best Paper Award]
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