Publication statistics

Pub. period:2002-2011
Pub. count:7
Number of co-authors:10


Number of publications with 3 favourite co-authors:

Sheng C. Wong:
Cristol Grosdemouge:
Caroline G. L. Cao:



Productive colleagues

Cedric Dumas's 3 most productive colleagues in number of publications:

Jean-Daniel Fekete:35
Pierre Dragicevic:24
Stephane Huot:10

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Cedric Dumas


Publications by Cedric Dumas (bibliography)

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Wong, Sheng C., Dumas, Cedric, Grosdemouge, Cristol and Cao, Caroline G. L. (2011): Haptic Sensitivity in Compliance Evaluation in a Tool-Wielding Paradigm. In: Proceedings of the Human Factors and Ergonomics Society 55th Annual Meeting 2011. pp. 1175-1179.

This paper describes a methodology for establishing standardized tests of haptic sensitivity in a tool-wielding paradigm. A haptic-needle was developed to study compliance differentiation in a needle-insertion task, using a psychophysics experimental protocol. The relationship of applied force and position as a function of perceived tissue compliance was obtained from the recorded data. The Just-Noticeable-Difference (JND) for tissue compliance discrimination with the haptic needle was calculated. Results showed that the JND increased as compliance of the tissue increased. Compliance differentiation was easier when the layers of tissue were more different in compliance. These common trends suggest that the proposed methodology is valid and the haptic performance of human subjects can be quantified.

© All rights reserved Wong et al. and/or HFES

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Takac, Boris, Chellali, Amine, Dumas, Cedric, Milleville, Isabelle, Grosdemouge, Cristol and Cao, Caroline G. L. (2011): Haptic Communication for a 2D Pointing Task in a Virtual Environment. In: Proceedings of the Human Factors and Ergonomics Society 55th Annual Meeting 2011. pp. 2168-2172.

This paper examines the properties of haptic communication between two human operators using kinesthetic haptic devices in a collaborative task in a virtual environment. Twenty subjects, divided into 10 dyads, participated in a 2D pointing task. Each dyad consisted of a supervisor and an acting agent. The supervisor's role was to guide the acting agent towards a target in the virtual environment through either verbal or haptic communication only. Verbal communication was found to be the most efficient means of communication, but collaboration was also effective using haptic communication. Several different haptic communication strategies were observed, all with equal effectiveness as measured by task completion time. These strategies followed the same pattern as the verbal strategies. These results suggest that haptic communication in a virtual environment is possible, allowing for future designs of haptically enhanced collaborative work in virtual environments.

© All rights reserved Takac et al. and/or HFES

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Chellali, Amine, Dumas, Cedric and Milleville, Isabelle (2010): Haptic communication to enhance collaboration in virtual environments. In: Proceedings of the 2010 Annual European Conference on Cognitive Ergonomics 2010. pp. 83-90.

Motivation -- To study haptic communication in collaborative virtual environments. Research approach -- An experimental study was conducted, in which 60 students were asked to perform in dyads a shared manual task after a training period. Findings/Design -- The results show that haptic communication can influence the common frame of reference development in a shared manual task. Research limitations/Implications -- Deeper verbalization analyses are needed to evaluate the common frame of reference development. Originality/Value -- This study highlights haptic interactions importance when designing virtual environment that support shared manual tasks. Take away message -- Haptic communication, combined with visual and verbal communication, enriches interactions in collaborative virtual environments.

© All rights reserved Chellali et al. and/or their publisher

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Huot, Stephane, Dragicevic, Pierre and Dumas, Cedric (2006): Flexibilit et modularit pour la conception d'interactions: le modle d'architecture logicielle des graphes combins. In: Proceedings of the 2006 Conference of the Association Francophone dInteraction Homme-Machine 2006. pp. 43-50.

This paper presents the Mixed Graphs software architecture of the MAGGLITE post-WIMP toolkit. This model extends and refines the scene graph architecture by describing interactions with another structure: interaction graphs. Graphs are dynamically combined at runtime, thanks to specific communication components named Interaction Access Points. This adaptable and modular approach for describing interactive graphics is gainful for prototyping, implementing and using alternative input devices and/or interaction techniques.

© All rights reserved Huot et al. and/or ACM Press

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Huot, Stephane, Dumas, Cedric, Dragicevic, Pierre, Fekete, Jean-Daniel and Hegron, Gerard (2004): The MaggLite post-WIMP toolkit: draw it, connect it and run it. In: Proceedings of the 2004 ACM Symposium on User Interface Software and Technology 2004. pp. 257-266.

This article presents MaggLite, a toolkit and sketch-based interface builder allowing fast and interactive design of post-WIMP user interfaces. MaggLite improves design of advanced UIs thanks to its novel mixed-graph architecture that dynamically combines scene-graphs with interaction-graphs. Scene-graphs provide mechanisms to describe and produce rich graphical effects, whereas interaction-graphs allow expressive and fine-grained description of advanced interaction techniques and behaviors such as multiple pointers management, toolglasses, bimanual interaction, gesture, and speech recognition. Both graphs can be built interactively by sketching the UI and specifying the interaction using a dataflow visual language. Communication between the two graphs is managed at runtime by components we call Interaction Access Points. While developers can extend the toolkit by refining built-in generic mechanisms, UI designers can quickly and interactively design, prototype and test advanced user interfaces by applying the MaggLite principle: \"draw it, connect it and run it\".

© All rights reserved Huot et al. and/or ACM Press

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Huot, Stephane, Dumas, Cedric and Hegron, Gerard (2003): Toward Creative 3D Modeling: an Architects' Sketches Study. In: Proceedings of IFIP INTERACT03: Human-Computer Interaction 2003, Zurich, Switzerland. p. 785.

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Huot, Stephane and Dumas, Cedric (2002): Vers des modeleurs 3D créatifs: étude de dessins d'architectes. In: Proceedings of the 2002 Conference of the Association Francophone dInteraction Homme-Machine 2002. pp. 267-270.

This paper describes an experiment we conduct to provide designers with an advanced 3D modelling Human-Computer Interaction. The main project -- called GINA [4], a French acronym for Interactive and Natural Geometry-expect to introduce new intuitive and creative 3D modeling tools, relying on 2D perspective drawing reconstruction. This domain study will help us to deduce implications for Human-Computer Interaction in such a system.

© All rights reserved Huot and Dumas and/or ACM Press

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