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Aurélie Cohé

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Publications by Aurélie Cohé (bibliography)

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2012
 
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Cohé, Aurélie and Hachet, Martin (2012): Understanding user gestures for manipulating 3D objects from touchscreen inputs. In: Proceedings of the 2012 Conference on Graphics Interface 2012. pp. 157-164.

Multi-touch interfaces have emerged with the widespread use of smartphones. Although a lot of people interact with 2D applications through touchscreens, interaction with 3D applications remains little explored. Most of 3D object manipulation techniques have been created by designers and users are generally put aside from the design creation process. We conducted a user study to better understand how non-technical users interact with a 3D object from touchscreen inputs. The experiment has been conducted while users manipulated a 3D cube with three points of view for rotations, scaling and translations (RST). Sixteen users participated and 432 gestures were analyzed. To classify data, we introduce a taxonomy for 3D manipulation gestures with touchscreens. Then, we identify a set of strategies employed by users to realize the proposed cube transformations. Our findings suggest that each participant uses several strategies with a predominant one. Finally, we propose some guidelines to help designers in the creation of more user friendly tools.

© All rights reserved Cohé and Hachet and/or their publisher

2011
 
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Cohé, Aurélie, Decle, Fabrice and Hachet, Martin (2011): tBox: a 3d transformation widget designed for touch-screens. In: Proceedings of ACM CHI 2011 Conference on Human Factors in Computing Systems 2011. pp. 3005-3008.

3D transformation widgets are commonly used in many 3D applications operated from mice and keyboards. These user interfaces allow independent control of translations, rotations, and scaling for manipulation of 3D objects. In this paper, we study how these widgets can be adapted to the tactile paradigm. We have explored an approach where users apply rotations by means of physically plausible gestures, and we have extended successful 2D tactile principles to the context of 3D interaction. These investigations led to the design of a new 3D transformation widget, tBox, that can been operated easily and efficiently from gestures on touch-screens.

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

 
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Hachet, Martin, Bossavit, Benoit, Cohé, Aurélie and Rivière, Jean-Baptiste de la (2011): Toucheo: multitouch and stereo combined in a seamless workspace. In: Proceedings of the 2011 ACM Symposium on User Interface Software and Technology 2011. pp. 587-592.

We propose a new system that efficiently combines direct multitouch interaction with co-located 3D stereoscopic visualization. In our approach, users benefit from well-known 2D metaphors and widgets displayed on a monoscopic touchscreen, while visualizing occlusion-free 3D objects floating above the surface at an optically correct distance. Technically, a horizontal semi-transparent mirror is used to reflect 3D images produced by a stereoscopic screen, while the user's hand as well as a multitouch screen located below this mirror remain visible. By registering the 3D virtual space and the physical space, we produce a rich and unified workspace where users benefit simultaneously from the advantages of both direct and indirect interaction, and from 2D and 3D visualizations. A pilot usability study shows that this combination of technology provides a good user experience.

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

 
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Changes to this page (author)

10 Nov 2012: Modified
05 Apr 2012: Modified
05 Jul 2011: Added

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Page maintainer: The Editorial Team
URL: http://www.interaction-design.org/references/authors/aur%E9lie_coh%E9.html
Jul 25

For us, our most important stakeholder is not our stockholders, it is our customers. We’re in business to serve the needs and desires of our core customer base

-- John Mackey

 
 

Featured chapter

Marc Hassenzahl explains the fascinating concept of User Experience and Experience Design. Commentaries by Don Norman, Eric Reiss, Mark Blythe, and Whitney Hess

User Experience and Experience Design !

 
 

Our Latest Books

Kumar and Herger 2013: Gamification at Work: Designing Engaging Business Software...
by Janaki Mythily Kumar and Mario Herger

 
Start reading

Whitworth and Ahmad 2013: The Social Design of Technical Systems: Building technologies for communities...
by Brian Whitworth and Adnan Ahmad

 
Start reading

Soegaard and Dam 2013: The Encyclopedia of Human-Computer Interaction, 2nd Ed....
by Mads Soegaard and Rikke Friis Dam

 
Start reading
 
 

Help us help you!