Abstract
The development of multiple cultural and social related activities, such as shows related with the performing arts, conferences or presentations rely on facilities such as auditoriums, theatres and conference sites, which are progressively including multiple technological features in order to enhance user experience. There are still however situations in which user experience is limited owing to lack of environment adaption, such as people with disabilities. In this sense, the adoption of Context Aware paradigms within auditoriums can provide adequate functionalities in order to comply with specific needs. This work is aimed at demonstrating the feasibility in enhancing user experience (e.g., improving the autonomy of disabled people) within auditorium and theatre environments, by means of an Augmented Reality (AR) device (HoloLens smart glasses) with wireless system integration. To carry out the demonstration, different elements to build AR applications are described and tested. First, an intensive measurement campaign was performed in a real auditorium in the city of Pamplona (Baluarte Congress Center) in order to evaluate the feasibility of using Wi-Fi enabled AR devices in a complex wireless propagation scenario. The results show that these environments exhibit high levels of interference, owing to the co-existence and non-coordinated operation of multiple wireless communication systems, such as on site and temporary Wi-Fi access points, wireless microphones or communications systems used by performers, staff and users. Deterministic wireless channel estimation based in volumetric 3D Ray Launching have been obtained for the complete scenario volume, in order to assess quality of service metrics. For illustration purposes, a user-friendly application to help hearing impaired people was developed and its main features were tested in the auditorium. Such an application provides users with a 3D virtual space to visualize useful multimedia content like subtitles or additional information about the show, as well as an integrated call button.
Highlights
IntroductionPicallo Guembe et al.: Design and Experimental Validation of an Augmented Reality System disability [1]
3) MEASURED RESULTS VALIDATION After creating an accurate scenario model for the 3D Ray Launching (3D-RL) simulator, a set of simulations have been launched in order to validate the provided estimations
In order to gain insight in the radio channel behavior, simulations by means of the in-house developed deterministic 3D-RL algorithm as well as RF signal propagation measurements have been performed with the aim of analysing the effect of different relevant issues related with the radio propagation within this complex environment, such as the impact of the morphology of the scenario, the presence of human bodies and the effect of wearing the Augmented Reality (AR) device (Microsoft HoloLens smart glasses) at different locations of the auditorium
Summary
Picallo Guembe et al.: Design and Experimental Validation of an Augmented Reality System disability [1] Within these disabilities, the latest report of October 2019 [2] estimates that at least 2.2 billion people suffer from some kind of visual impairment or blindness and 1 billion of them have a moderate or severe visual impairment (i.e., uncorrected refractive problems, macular degeneration, cataract, diabetic retinopathy or glaucoma, among others). The latest report of October 2019 [2] estimates that at least 2.2 billion people suffer from some kind of visual impairment or blindness and 1 billion of them have a moderate or severe visual impairment (i.e., uncorrected refractive problems, macular degeneration, cataract, diabetic retinopathy or glaucoma, among others) Hearing loss is another cause of impairment that more than 466 million people suffer in the world [3]. Such a loss may be congenital or acquired, and the level of hearing loss varies, with deafness being the most serious
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