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Ph.D de

Ph.D
Group : Human-Centered Computing

A Body-centric Framework for Generating and Evaluating Novel Interaction Techniques

Starts on 01/10/2009
Advisor : MACKAY, Wendy
[Stéphane HUOT]

Funding :
Affiliation : Université Paris-Sud
Laboratory : LRI IN-SITU

Defended on 05/12/2012, committee :
Encadrants :
Wendy MACKAY, Directeur de Recherche (Inria Saclay–Île-de-France)
Stéphane HUOT, Maître de Conférences (Université Paris-Sud)

Rapporteurs :
Mountaz HASCOËT, Maître de Conférences, HDR (Université Montpellier II)
Celine LATULIPE, Associate Professor (University of North Carolina at Charlotte)

Examinateurs :
Steven FEINER, Professor (Columbia University, New York)
Anne VILNAT, Professeur (Université Paris-Sud)

Research activities :

Abstract :
This thesis introduces BodyScape, a body-centric framework that accounts for how users coordinate their movements within and across their own limbs in order to interact with a wide range of devices, across multiple surfaces. It introduces a graphical notation that describes interaction techniques in terms of (1) motor assemblies responsible for performing a control task (input motor assembly) or bringing the body into a position to visually perceive output (output motor assembly), and (2) the movement coordination of motor assemblies, relative to the body or fixed in the world, with respect to the interactive environment.
This thesis applies BodyScape to 1) investigate the role of support in a set of novel bimanual interaction techniques for hand-held devices, 2) analyze the competing effect across multiple input movements, and 3) compare twelve pan-and-zoom techniques on a wall-sized display to determine the roles of guidance and interference on performance.
Using BodyScape to characterize interaction clarifies the role of device support on the user’s bal- ance and subsequent comfort and performance. It allows designers to identify situations in which multiple body movements interfere with each other, with a corresponding decrease in performance. Finally, it highlights the trade-offs among different combinations of techniques, enabling the analysis and generation of a variety of multi-surface interaction techniques. I argue that including a body-centric perspective when defining interaction techniques is essential for addressing the combinatorial explosion of interactive devices in multi-surface environments.

Ph.D. dissertations & Faculty habilitations
APPRENTISSAGE ET OPTIMISATION SUR LES GRAPHES


ANALYSE DE DONNéES MULTI-MODALES POUR LES PATHOLOGIES COMPLEXES PAR LA CONCEPTION ET L’IMPLéMENTATION DE PROTOCOLES REPRODUCTIBLES ET RéUTILISABLES


DESIGNING INTERACTIVE TOOLS FOR CREATORS AND CREATIVE WORK
Creative work has been at the core of research in Human-Computer Interaction (HCI). I describe the results of a series of studies that look at how creators work, where creators include artists with years of professional practice, as well as learners, or novices and casual makers. My research focuses on three creation activities: drawing, physical modeling, and music composition. For these activities, I examine how artists switch between representations and how these representations evolve throughout their creative process, from early sketches to fine-grained forms or structured vocabularies. I present interactive systems that enrich their workflow (i) by extending their computer tools with physical user interfaces, or (ii) by making physical materials interactive. I also argue that sketch-based representations can allow for user interfaces that are more personal and less rigid. My presentation will reflect on lessons and limitations of this work and discuss challenges for future design-support tools.