Source: https://www.lri.fr/~cfleury/
Timestamp: 2019-04-25 06:58:58+00:00

Document:
I am an assistant professor of Computer Science at Université Paris-Sud. I am mainly teaching at Polytech Paris-Sud. I am a researcher in the HCC (Human-Centered Computing) team at LRI lab and in the ex)situ project-team of Inria Saclay. My research interests include computer human interaction, remote collaboration in interactive systems, telepresence, virtual environment, 3D interaction and 3D reconstruction.
Before my current position, I was a postdoctoral fellow in computer science at the University of North Carolina (UNC) at Chapel Hill (USA) under the supervision of Pr. Henry Fuchs. I was a visiting researcher at the Nanyang Technological University (NTU) in Singapore in the context of the BeingThere Centre which is a join research project between NTU Singapore, ETH Zurich (Switzerland) and UNC Chapel Hill (USA).
I completed my PhD in computer science under the supervision of Pr. Bruno Arnaldi, Dr. Thierry Duval and Dr. Valérie Gouranton in the VR4i group at the IRISA / INRIA lab in Rennes (France). During my PhD, I spent 3 months at the University College of London (UCL) in the VECG group under the supervision of Pr. Anthony Steed for setting up a collaborative experimentation between Rennes and London.
After achieving a Bachelor of Science degree in mathematics at the Université de Bretagne Sud (UBS Lorient, France) in 2004, I obtained both a Master of Science degree in computer science and a Master of Research degree in image processing and artificial intelligence from the Institut National des Sciences Appliquées (INSA de Rennes, France) in 2008. During these years, I juggled my studies with sailing at an international level in the 49er Olympic class.
2012: PhD in computer science about collaboration in virtual reality from the INSA (Rennes, France).
2008: Master of Research degree in image processing and artificial intelligence from the INSA (Rennes, France).
2008: Master of Science degree in computer science from the INSA (Rennes, France).
2004: Bachelor of Science degree in mathematics from the UBS (Lorient, France).
2002: Baccalauréat in sciences (high school diploma) from the lycée St Charles (St Brieuc, France).
Description: The purpose of this postdoctoral fellowship is to work on acquisition and reconstruction of 3D real scenes for telepresence system. Particularly, it aims to improve the 3D reconstruction of users' faces captured by a low quality range sensor (as a Microsoft Kinect for example). This kind of range sensor has the advantage to be cheap and accessible to everyone. The main idea is to use some high quality models of the users' heads to improve the low resolution input of the range sensor. Moreover, this work could also be used in order to transfer only a small among of data for the depth on the network during a 3D telepresence session. This postdoctoral work is done in the context of the BeingThere Centre.
Title: Design models for remote collaboration in distributed virtual environment: from architecture to metaphors.
Supervisors: Pr. Bruno Arnaldi, Dr. Thierry Duval and Dr. Valérie Gouranton.
Description: Virtual reality enables several remote users to meet themselves in a shared virtual environment to perform collaborative work such as a simple observation or a co-manipulation of virtual objects. The technical constraints, the different material devices used by each user and the fact of being in a virtual world increase the complexity and consequently the misunderstanding between users. My PhD work aimed to improve this collaboration between remote users by proposing new models for designing a collaborative virtual environment. These models deal with the network distribution, the software architecture, but also the integration of new metaphors for collaboration. This PhD was supported by the French National Research Agency (ANR) in the context of the Collaviz project.
Collaborative experiment between Rennes and London: all the models proposed during my PhD have implemented in a new framework for collaborative virtual environment and this framework has been used to set up a collaborative experiment between Rennes and London. The goal of this experiment was to compare a single user manipulation and a remote collaborative manipulation for examining some scientific data. The users have to manipulate a clipping-plane to make a cross section of the data. In the following video, you can see the collaborative manipulation: one participant in Rennes (France) and one participant in London (United Kingdom) manipulate together a clipping-plane using a three-point manipulation technique. This experiment has be done in the context of the Visionair project funded by the European Commission.
C. Fleury, I. Avellino, M. Beaudouin-Lafon and W. Mackay. Telepresence systems for Large Interactive Spaces, in Workshop on Everyday Telepresence: Emerging Practices and Future Research Directions @ ACM CHI Conference, Seoul, Korea, April 2015.
T.T.H. Nguyen, T. Duval and C. Fleury. Guiding Techniques for Collaborative Exploration in Multi-Scale Shared Virtual Environments, in Proceedings of International Conference on Computer Graphics Theory and Applications (GRAPP), Barcelona, Spain, February 2013.
C. Fleury, T. Duval, V. Gouranton and A. Steed. Evaluation of Remote Collaborative Manipulation for Scientific Data Analysis, in Proceedings of the ACM Symposium on Virtual Reality Software and Technology (VRST), Toronto, Canada, December 2012.
T. Duval, T.T.H. Nguyen, C. Fleury, A. Chauffaut, G. Dumont and V. Gouranton. Embedding the Features of the Users’ Physical Environments to Improve the Feeling of Presence in Collaborative Virtual Environments, in Proceedings of IEEE International Conference on Cognitive Infocommunications, Kosice, Slovakia, December 2012.
T. Duval and C. Fleury. PAC-C3D: A New Software Architectural Model for Designing 3D Collaborative Virtual Environments, in Proceedings of International Conference on Artificial Reality and Telexistence (ICAT), Osaka, Japan, November 2011.
C. Fleury, A. Chauffaut, T. Duval, V. Gouranton and B. Arnaldi. A Generic Model for Embedding Users’ Physical Workspaces into Multi-Scale Collaborative Virtual Environments, in Proceedings of International Conference on Artificial Reality and Telexistence (ICAT), Adelaide, Australia, December 2010.
C. Fleury, T. Duval, V. Gouranton and B. Arnaldi. A New Adaptive Data Distribution Model for Consistency Maintenance in Collaborative Virtual Environments, in Proceedings of the Joint Virtual Reality Conference of EuroVR - EGVE - VEC (JVRC), Fellbach, Germany, September 2010.
C. Fleury, T. Duval, V. Gouranton and B. Arnaldi. Architectures and Mechanisms to efficiently Maintain Consistency in Collaborative Virtual Environments, in Proceedings of IEEE VR Workshop on Software Engineering and Architectures for Realtime Interactive Systems (SEARIS), Waltham, USA, March 2010.
T. Duval and C. Fleury. An asymmetric 2D Pointer/3D Ray for 3D Interaction within Collaborative Virtual Environments, in Proceedings of the ACM International Conference on 3D Web Technology (Web3D), Darmstadt, Germany, June 2009.
T.T.H. Nguyen, T. Duval and C. Fleury. Demonstration of Guiding Techniques for Collaborative Exploration in Multi-Scale Shared Virtual Environments, in demonstrations of conférence francophone sur l'Interaction Homme-Machine (IHM), Bordeaux, France, November 2013.
T.T.H. Nguyen, C. Fleury and T. Duval. Collaborative Exploration in a Multi-Scale Shared Virtual Environment, in Proceedings of IEEE Symposium on 3D User Interfaces (3DUI), Orange County, USA, March 2012.
T. Duval and C. Fleury. Collaboration between Networked Heterogeneous 3D Viewers through a PAC-C3D Modeling of the Shared Virtual Environment, in Proceedings of International Conference on Artificial Reality and Telexistence (ICAT), Osaka, Japan, November 2011.
F. Dupont, T. Duval and C. Fleury, J. Forest, V. Gouranton, P. Lando, T. Laurent, G. Lavoué, A. Schmutz. Collaborative Scientific Visualization: The COLLAVIZ Framework, in Proceedings of the Joint Virtual Reality Conference of EuroVR - EGVE - VEC (JVRC), Fellbach, Germany, September 2010.
T. Duval, C. Fleury, B. Nouailhas and L. Aguerreche. Collaborative Exploration of 3D Scientific Data, in Proceedings of the ACM Symposium on Virtual Reality Software and Technology (VRST), Bordeaux, France, October 2008.

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