Opportunity: Activity and Context Recognition with Opportunistic Sensor Configurations

FET-Open (Future and Emerging Technologies Open Call) project under the Information and Communication Technologies theme of the 7th Framework Program of the European Commission.

Project duration: 01/02/2009 – 31/01/2012
Grant agreement no: 225938
Project web page: http://www.opportunity-project.eu



Opportunity dataset

This video describes a large dataset for activity and gesture recognition. Activities are performed in a highly rich sensor environment, and emphasis was placed on collecting a large number of activity instances. (More info)

Journal Articles


J. C. Dencker; M. Gruber : The effects of opportunities and founder experience on new firm performance; Strategic Management Journal. 2015. DOI : 10.1002/smj.2269.
M. Gruber; S. M. Kim; J. Brinckmann : What is an Attractive Business Opportunity? An Empirical Study of Opportunity Evaluation Decisions by Technologists, Managers, and Entrepreneurs; Strategic Entrepreneurship Journal. 2015. DOI : 10.1002/sej.1196.
H. Sagha; S. Perdikis; J. d. R. Millán; R. Chavarriaga : Quantifying electrode reliability during Brain-Computer Interface operation; IEEE Transactions on Biomedical Engineering. 2015. DOI : 10.1109/TBME.2014.2366554.


H. Sagha; H. Bayati; J. d. R. Millán; R. Chavarriaga : On-line anomaly detection and resilience in classifier ensembles; Pattern Recognition Letters. 2013. DOI : 10.1016/j.patrec.2013.02.014.
R. Chavarriaga; H. Sagha; A. Calatroni; S. Digumarti; G. Tröster et al. : The Opportunity challenge: A benchmark database for on-body sensor-based activity recognition; Pattern Recognition Letters. 2013. DOI : 10.1016/j.patrec.2012.12.014.
D. Roggen; P. Lukowicz; A. Ferscha; J. d. R. Millán; G. Tröster et al. : Opportunistic human activity and context recognition; Computer -IEEE Computer Society-. 2013. DOI : 10.1109/MC.2012.393.
M. Gruber; I. C. MacMillan; J. D. Thompson : Escaping the Prior Knowledge Corridor: What shapes the Number and Variety of Market Opportunities identified before Market Entry of Technology Start-ups?; Organization Science. 2013. DOI : 10.1287/orsc.1110.0721.
R. Chavarriaga; H. Bayati; J. d. R. Millán : Unsupervised adaptation for acceleration-based activity recognition: Robustness to sensor displacement and rotation; Personal and Ubiquitous Computing. 2013. DOI : 10.1007/s00779-011-0493-y.


M. Gruber; I. C. Macmillan; J. D. Thompson : From Minds to Markets: How Human Capital Endowments Shape Market Opportunity Identification of Technology Start-Ups; Journal of Management. 2012. DOI : 10.1177/0149206310386228.
M. Kurz; H. Gerold; A. Ferscha; A. Calatroni; D. Roggen et al. : The OPPORTUNITY Framework and Data Processing Ecosystem for Opportunistic Activity and Context Recognition; International Journal of Sensors, Wireless Communications and Control. 2012.


R. Leeb; H. Sagha; R. Chavarriaga Lozano; J. d. R. Millán : A hybrid BCI based on the fusion of EEG and EMG activities; Journal of Neural Engineering. 2011. DOI : 10.1088/1741-2560/8/2/025011.


R. Chavarriaga; J. d. R. Millán : Context-Aware Brain-Computer Interfaces; PerAda Magazine. 2010. DOI : 10.2417/2201006.003009.


M. Gruber; I. C. MacMillan; J. D. Thompson : Look Before You Leap: Market Opportunity Identification in Emerging Technology Firms; Management Science. 2008. DOI : 10.1287/mnsc.1080.0877.


M. Gruber : Uncovering the value of planning in new venture creation: A process and contingency perspective; Journal of Business Venturing. 2007.

Conference Papers


B. H. Kostova : A Proposition for a Design Method of Service Systems. 2017. 15th International Conference for Service-Oriented Computing, Málaga, Spain, November 13-16, 2017.


O. Baños; A. Calatroni; M. Damas; H. Pomaras; I. Rojas et al. : Kinect=IMU? Learning MIMO Signal Mappings to Automatically Translate Activity Recognition Systems Across Sensor Modalities. 2012. International Symposium on Wearable Computers, Newcastle, UK, June 18-22, 2012.


D. Roggen; A. Calatroni; K. Förster; G. Tröster; P. Lukowicz et al. : Activity Recognition in Opportunistic Sensor Environments. 2011. The European Future Technologies Conference and Exhibition 2011. p. 173-174. DOI : 10.1016/j.procs.2011.09.003.
H. Sagha; S. T. Digumarti; J. d. R. Millán; R. Chavarriaga; A. Calatroni et al. : Benchmarking classification techniques using the Opportunity human activity dataset. 2011. IEEE International Conference on Systems, Man, and Cybernetics, Anchorage, AK, USA, October 9-12, 2011. p. 36-40.
R. Chavarriaga; H. Sagha; J. d. R. Millán : Ensemble creation and reconfiguration for activity recognition: An information theoretic approach.. 2011. IEEE Int Conf Systems, Man, and Cybernetics (IEEE SMC 2011), Anchorage, Alaska, USA, October 9-12, 2011. p. 2761-2766.
H. Sagha; J. d. R. Millán; R. Chavarriaga : Detecting and rectifying anomalies in body sensor networks. 2011. International Conference on Body Sensor Networks 2011 (BSN11), Dallas, Texas, USA, May 23-25, 2011.
H. Bayati; J. d. R. Millán; R. Chavarriaga : Unsupervised adaptation to on-body sensor displacement in acceleration-based activity recognition. 2011. IEEE International Symposium on Wearable Computers, ISWC 2011, San Francisco, June 12-15, 2011. p. 71-78. DOI : 10.1109/ISWC.2011.11.
M. Kurz; G. Hölzl; A. Ferscha; H. Sagha; J. d. R. Millán et al. : Dynamic Quantification of Activity Recognition Capabilities in Opportunistic Systems. 2011. 4th Conference on Context Awareness for Proactive Systems: CAPS2011, Budapest, Hungary, May 15-16, 2011.
H. Sagha; J. d. R. Millán; R. Chavarriaga : Detecting Anomalies to Improve Classification Performance in Opportunistic Sensor Networks. 2011. Seventh IEEE International Workshop on Sensor Networks and Systems for Pervasive Computing, Seattle, WA, USA, March 21-25,2011.


R. Chavarriaga; H. Sagha; H. Bayati; J. d. R. Millán; D. Roggen et al. : Robust activity recognition for assistive technologies: Benchmarking machine learning techniques. 2010. Workshop on Machine Learning for Assistive Technologies at the Twenty-fourth Annual Conference on Neural Information Processing Systems (NIPS), Whistler, Canada, December 10, 2010.
R. Leeb; H. Sagha; R. Chavarriaga; J. d. R. Millán : Multimodal Fusion of Muscle and Brain Signals for a Hybrid-BCI. 2010. 32nd Annual International Conference of the IEEE EMBS, Buenos Aires, Argentina, August 31 - September 4, 2010. p. 4343-4346.
H. Sagha; J. d. R. Millán; R. Chavarriaga : A Probabilistic Approach to Handle Missing Data for Multi-Sensory Activity Recognition. 2010. Workshop on Context Awareness and Information Processing in Opportunistic Ubiquitous Systems at 12th ACM International Conference on Ubiquitous Computing, Copenhagen, Denmark, September 26-29, 2010.
R. Chavarriaga; A. Biasiucci; K. Förster; D. Roggen; G. Tröster et al. : Adaptation of Hybrid Human-Computer Interaction Systems using EEG Error-Related Potentials. 2010. 32nd Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC'10), Buenos Aires, Argentina, September 1-4, 2010. p. 4226-4229.
D. Roggen; A. Calatroni; M. Rossi; T. Holleczek; K. Förster et al. : Collecting complex activity data sets in highly rich networked sensor environments. 2010. Seventh International Conference on Networked Sensing Systems, Kassel, Germany, June 15 - 18, 2010.
P. Lukowicz; G. Pirkl; D. Bannach; F. Wagner; A. Calatroni et al. : Recording a complex, multi modal activity data set for context recogntion. 2010. Workshop on Context-Systems Design, Evaluation and Optimisation at ARCS, 2010, Hannover, Germany, February 22/23, 2010.
K. Förster; A. Biasiucci; R. Chavarriaga; J. d. R. Millán; D. Roggen et al. : On the use of brain decoded signals for online user adaptive gesture recognition systems. 2010. Pervasive 2010 The Eighth International Conference on Pervasive Computing, Helsinki, Finland, May 17-20, 2010.


D. Roggen; K. Förster; A. Calatroni; T. Holleczek; Y. Fang et al. : OPPORTUNITY: Towards opportunistic activity and context recognition systems. 2009. Third IEEE WoWMoM Workshop on Autonomic and Opportunistic Communications, Kos, Grece, June 15 2009.



R. K. Merton : On Social Structure and Science ; Chicago: The University of Chicago Press.



P. Vogel / M. Gruber (Dir.) : Entrepreneurship & the Unemployed. Lausanne, EPFL, 2013. DOI : 10.5075/epfl-thesis-5786.


J. Thiel / M. Gruber (Dir.) : Three Essays on Navigating the Stages in New Venture Creation. Lausanne, EPFL, 2012. DOI : 10.5075/epfl-thesis-5260.


J. Hohenegger / P. Xirouchakis; A. Bufardi (Dir.) : Compatibility modeling to support opportunity analysis in new product development. Lausanne, EPFL, 2007. DOI : 10.5075/epfl-thesis-3747.