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Identifier 000451482
Title The ARgus designer: an XR evaluation tool for ubiquitous applications in intelligent environments
Alternative Title The ARgus designer: ένα εργαλείο επαυξημένης πραγματικότητας για την αξιολόγηση εφαρμογών σε έξυπνα περιβάλλοντα
Author Στεφανίδη, Ελένη Κ.
Thesis advisor Παπαγιαννάκης, Γεώργιος
Reviewer Τσακαλίδης, Παναγιώτης
Αντόνα, Μαργαρίτα
Abstract Augmented Reality (AR) and especially Mixed Reality (MR) applications have gained momentum over the past couple of years among researchers, developers, enterprises and consumers. With new MR devices and accessories being released in the market at a constantly increasing pace, from HoloLens, Magic Leap and Varjo, to the upcoming Meta and Apple devices, the AR/MR field is set to revolutionize computing. As this field matures, it has progressively cultivated an imperative need for evaluating such applications. Even though many approaches have addressed the challenges of evaluating AR/MR applications, with some even using these technologies as evaluation methods, only a few attempts have been made in creating tools to support their overall evaluation process. To this end, this Thesis aims to contribute filling this gap by proposing the ‘ARgus Designer System’ whose objective is to assist evaluators in conducting user studies for assessing the usability and User Experience (UX) of AR/MR applications. In the proposed evaluation tool, the information provided to experts' is enhanced in real-time during testing with various metrics and features, while wearing an MR device (specifically the HoloLens 2), in an effort to facilitate the evaluation process. Focusing primarily on the domain of prototyping for Intelligent Environments (IEs), the first instantiation of the envisioned system augments the user’s surroundings by overlaying virtual interactive artifacts, 3D objects and digital user interfaces (UIs) on top of the real-world environment. In particular, the ‘ARgus Designer’ system enables users to create their own virtual experiment scene, by placing the desired digital objects into the MR world. Users can additionally select the metrics and features they want to include in the mixed-reality environment during the evaluation process. Moreover, the suggested evaluation tool supports multiple users and facilitates multi-user collaboration, enabling experts to conduct user-based studies completely immersed into the Mixed Reality space. At runtime, apart from the different metrics and features being visualized in AR, evaluators have access to a virtual workstation, called the ‘ARgus Workstation’, through which they can control the flow of the experiment and collect various runtime measures and data (e.g. performance indicators, events of interest). Another noteworthy feature of the system is the inclusion of virtual questionnaires, which not only enhance experts’ supervision, but most importantly minimize the “breaks in presence” of the immersive experience. Finally, the introduced tool is envisioned to help with post-study analysis, permitting experts to overview raw data and replay an evaluation experiment into the MR world. Through all the aforementioned processes, the ‘ARgus Designer’ system aims to deliver an all-round efficient approach of conducting user-based evaluation with the help of AR/MR technologies. In this context, this Thesis presents the ‘ARgus Designer’ system, describes the design process followed and its functionality, elaborates on implementation details and outlines the results of the expert-based evaluation to assess the validity of the concept from an expert’s point-of-view.
Language English
Subject Augmented reality
Interactive prototyping
User studies
Αλληλεπιδραστικά πρωτότυπα
Ευφυή περιβάλλοντα
Μελέτες με συμμετοχή χρηστών
Issue date 2022-12-02
Collection   School/Department--School of Sciences and Engineering--Department of Computer Science--Post-graduate theses
  Type of Work--Post-graduate theses
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