B-C-invisibility power: introducing optical camouflage based on mental activity in augmented reality

Jonathan Mercier-Ganady 1 Maud Marchal 1 Anatole Lécuyer 1
1 Hybrid - 3D interaction with virtual environments using body and mind
Inria Rennes – Bretagne Atlantique , IRISA-D6 - MEDIA ET INTERACTIONS
Abstract : In this paper we introduce a novel and interactive approach for controlling optical camouflage called "B-C-Invisibility power". We propose to combine augmented reality and Brain-Computer Interface (BCI) technologies to design a system which somehow provides the "power of becoming invisible". Our optical camouflage is obtained on a PC monitor combined with an optical tracking system. A cut out image of the user is computed from a live video stream and superimposed to the prerecorded background image using a transparency effect. The transparency level is controlled by the output of a BCI, making the user able to control her invisibility directly with mental activity. The mental task required to increase/decrease the invisibility is related to a concentration/relaxation state. Results from a preliminary study based on a simple video-game inspired by the Harry Potter universe could notably show that, compared to a standard control made with a keyboard, controlling the optical camouflage directly with the BCI could enhance the user experience and the feeling of "having a super-power".
Keywords : Virtual Reality Brain-Computer Interfaces
Document type :
Conference papers
Complete list of metadatas
https://hal.inria.fr/hal-01252562
Contributor : Maud Marchal <>
Submitted on : Thursday, January 7, 2016 - 4:48:28 PM
Last modification on : Friday, January 11, 2019 - 2:27:09 PM

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UNIV-RENNES1 | INSTITUT-TELECOM | INRIA | IRISA | IRISA-INSA-R | UR1-UFR-ISTIC | CENTRALESUPELEC | INSA-RENNES | UNIV-RENNES | IRISA-D6

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Jonathan Mercier-Ganady, Maud Marchal, Anatole Lécuyer. B-C-invisibility power: introducing optical camouflage based on mental activity in augmented reality. Proceedings of the 6th ACM Augmented Human International Conference, Mar 2015, Singapour, Singapore. pp.97-100, ⟨10.1145/2735711.2735835⟩. ⟨hal-01252562⟩

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