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Query: Denis_G* Results: 4 Sorted by: Date  Comments?
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MapSense: Multi-Sensory Interactive Maps for Children Living with Visual Impairments Learning Feedback / Brule, Emeline / Bailly, Gilles / Brock, Anke / Valentin, Frederic / Denis, Grégoire / Jouffrais, Christophe Proceedings of the ACM CHI'16 Conference on Human Factors in Computing Systems 2016-05-07 v.1 p.445-457
ACM Digital Library Link
Summary: We report on the design process leading to the creation of MapSense, a multi-sensory interactive map for visually impaired children. We conducted a formative study in a specialized institute to understand children's educational needs, their context of care and their preferences regarding interactive technologies. The findings (1) outline the needs for tools and methods to help children to acquire spatial skills and (2) provide four design guidelines for educational assistive technologies. Based on these findings and an iterative process, we designed and deployed MapSense in the institute during two days. It enables collaborations between children with a broad range of impairments, proposes reflective and ludic scenarios and allows caretakers to customize it as they wish. A field experiment reveals that both children and caretakers considered the system successful and empowering.

Human faces detection and localization with simulated prosthetic vision Accessibility / Denis, Grégoire / Jouffrais, Christophe / Vergnieux, Victor / Macé, Marc Extended Abstracts of ACM CHI'13 Conference on Human Factors in Computing Systems 2013-04-27 v.2 p.61-66
ACM Digital Library Link
Summary: Clinical trials reveal that current visual neuroprosthesis are not yet usable. The main reason is the small number of implanted electrodes, leading to a very poor visual resolution. The resolution is especially not sufficient to detect specific objects (faces, signs, etc.) in the surroundings. We used simulated prosthetic vision (SPV) to show that pre-processing of the camera image could restore these functions, even with low-resolution implants. Specifically, we showed that it is possible to quickly detect and localize human faces located nearby. We suggest that high-level processing of the video stream may be included in current visual neuroprosthesis. This would restore many visuomotor behaviors such as grasping, heading, steering, etc.

Composition opportuniste et ascendante à base d'agents coopératifs Ingénierie des systèmes ubiquitaires et mobiles = Engineering Ubiquitous and Mobile Systems / Denis, Grégoire / Arcangeli, Jean-Paul / Noël, Victor / Triboulot, Charles / Trouilhet, Sylvie Proceedings of the 2012 French-speaking Conference on Mobility and Ubiquity Computing 2012-06-04 p.26
Motivation-driven educational game design: applying best practices to music education / Denis, Guillaume / Jouvelot, Pierre Proceedings of the 2005 International Conference on Advances in Computer Entertainment Technology 2005-06-15 p.462-465
ACM Digital Library Link
Summary: Building upon research on motivation theory, we provide insights on how video games can be framed as expert tools that naturally reconcile learning and fun, a worthy goal since students are forced to where players volunteer, namely learning. Our main contribution is to suggest best practices rooted in psychology and motivation theory that we believe should be used when designing educational games.
    As a case study, we illustrate this approach by looking at the design of our ongoing Cha-Luva Swing Festival project, a video game dedicated to music education. Its overall pedagogical goal is to spur the players' curiosity and creativity by enabling them to easily play music using gamepads as musical instruments. This example perfectly illustrates our results, since motivational lapses due to instrumental limitations often lead to resignation and surrender.