Presentation of a mixed reality software with a HoloLens headset for a nutrition workshop
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Presentation of a mixed reality software with a HoloLens headset for a nutrition workshop Hugo Rositi1,2 · Owen Kevin Appadoo1 · Daniel Mestre3 · Sylvie Valarier4 · ´ Marie-Claire Ombret5 · Emilie Gadea-Deschamps6 · Christine Barret-Grimault4 · 1 Christophe Lohou Received: 28 February 2020 / Revised: 30 July 2020 / Accepted: 20 August 2020 / © Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Microsoft has recently released a mixed reality headset called HoloLens. This semitransparent visor headset allows the user who wears it to view the projection of 3D virtual objects placed in its real environment. The user can also grasp these 3D objects, which can also interact with each other. The framework of this new technology taking into account this physical approach (interactions, collisions) is called mixed reality. We had the opportunity to digitally transform a conventional nutrition workshop for patients waiting for bariatric surgery by designing a mixed reality software using the HoloLens headset. This software is called HOLO NUTRI. In this paper, we present this software and its assessment (acceptance of this technology) by a cohort of thirty patients. Keywords Mixed reality · HoloLens · Therapeutic education · Nutrition · Clinical study
1 Context In this paper, we present a software application for patients waiting for bariatric surgery (modification of the anatomy of the digestive system). This application offers them to (virtually) compose their meal and then assess their choices; its educational objective is to inform patients about the modification of their diet (mainly, in terms of optimal quantities) after surgery. This section is structured as follows: the terminology of targeted surgical procedures is presented in Section 1.1; we then describe the conventional workshop in Section 1.2; in Section 1.3, we list three main features expected in the application, one of which will fully justify the use of mixed reality; in Section 1.4, we will present the framework of mixed Hugo Rositi
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Multimedia Tools and Applications
reality; in Section 1.5, we will review the state of the art of softwares used in nutritional therapeutic education; in Section 1.6, we will present the software implemented for this mixed reality experience.
1.1 Terminology Bariatric surgery aims at patient’s weight loss. As part of our research, we are interested in the following two surgical solutions: reduction of the volume of the stomach “Sleeve Surgery” (Fig. 1(a)), setting up a deviation from the normal path of progression of foods “Bypass Surgery” (Fig. 1(b)).
1.2 Conventional workshop of nutritional therapeutic education The conventional nutritional therapeutic education workshop, later called CONV WORK, is organized around the nine following steps (also summarized in Table 1 for a more global view): introduction of the session (Step 1); debate around the issue “To feed, eat, when one has been operated on a bari
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