Nectar: Multi-user Spatial Augmented Reality for everyone: Three live demonstrations of educative applications

Abstract : In this demonstration we showcase a new spatial augmented reality device (interactive projection) with three applications: education and experimentation of color models, map exploration for visually impaired people and scientific vulgarization of machine learning. The first exhibition is an interactive exploration about the nature of light. Visitors can experiment with additive subtractive color models. We engage them with questions, and they have to reply using cards to find out answers. This exhibit is suitable for children. The second exhibition is about map exploration and creation for Visually Impaired Persons (VIP). VIP generally use tactile maps with braille to learn about an unknown environment. However, these maps are not accessible to the 80% of VIP who don't read braille. Our prototype augments raised-line maps with audio output. The third exhibition is destined to be used for scientific outreach. It enables the creation of artificial neural networks (ANN) using tangible interfaces. Neurons are represented by laser-cut diamond shaped tokens, and the data to learn is printed on cards. The ANN learns to differentiate shapes, and the whole learning process is made visible and interactive. These three applications demonstrate the capabilities of our hardware and software development kit in different scenarios. At ReVo, each demonstration will have its own setup and interactive space.
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Submitted on : Wednesday, April 18, 2018 - 12:03:33 PM
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Jérémy Laviole, Jérémy Albouys-Perrois, Lauren Thévin, Anke Brock. Nectar: Multi-user Spatial Augmented Reality for everyone: Three live demonstrations of educative applications. VRIC 2018 Virtual Reality International Conference - Laval Virtual, Apr 2018, Laval, France. ⟨10.1145/3234253.3234317⟩. ⟨hal-01769706⟩

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