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Identifier 000460617
Title AugmenTable: a projection-based tabletop system combining tangible interactions with mixed reality technologies
Alternative Title AugmenTable: ένα διαδραστικό σύστημα που συνδυάζει προβολή σε επιφάνειες αφής, αλληλεπίδραση με φυσικά αντικείμενα και τεχνολογίες μικτής πραγματικότητας
Author Πρινιανάκης, Αντώνιος Ν.
Thesis advisor Στεφανίδης, Κωνσταντίνος
Reviewer Πλεξουσάκης, Δημήτρης
Ζαμπούλης, Ξενοφών
Abstract Advancements in Mixed Reality (MR) technologies and Tangible User Interfaces (TUIs) have led to the development of dynamic and immersive systems, offering unique and innovative user experiences. Within the domain of education, these technologies have proven to be extremely beneficial in enhancing student motivation and engagement, promoting collaborative learning and creating more accessible educational environments. Despite the individual attention received in previous research, the fusion of Mixed Reality with tangible physical object interaction is an area of study with considerable potential, and it remains an active domain of exploration. This work aims to address this gap and explore the potential of such integration, combining MR technologies with physical objects’ interaction. By leveraging advanced technologies that allow the computer and sensors to hide within the environment itself, it aims to cover a wide range of application domains, from educational application to professional settings. In this context, the AugmenTable was designed as a projection-based system that integrates tangible interaction with physical objects. A key component of the system is a touch-sensitive tabletop surface that allows intuitive touch-based interactions either with the surface itself or with printed material. The system is able to track physical objects featuring fiducial markers, currently tested with both paper cards and 3D objects. The paper cards are enriched with printed information, and the system seamlessly integrates multimedia content, encompassing images, videos and 3D models, onto the printed materials and their surrounding area. The 3D printed objects are designed to resemble everyday objects familiar to the users, such as arrows or flashlights. These objects function as interactive tools within the system, emulating their real-world counterparts’ functionality. For instance, the flashlight object emits virtual light, illuminating otherwise concealed digital elements, in keeping with its real-world counterpart. The tabletop surface is surrounded with LED light strips that change color based on the projected content, providing an immersive user experience. Additionally, the system seamlessly integrates with a Mixed Reality Head Mounted Display (HMD), offering users a greater level of immersion. Through the HMD, users can experience the dynamic content in a 3D virtual world, allowing them to feel fully engaged in the AugmenTable experience. Projected elements are transformed into 3D objects that appear to stand on, float over or emerge from the table surface, right before the users’ eyes. The 3D digital content remains closely associated with the digitally projected and physical elements, responding dynamically to users’ interactions with both the system and physical objects. This thesis presents a software infrastructure that facilitates AugmenTable’s capabilities. The software infrastructure is designed based on the microservices architecture pattern. The software is built on two fundamental groups of components: the AugmenTable Core and the AugmenTable Player. The AugmenTable Core is responsible for initializing and orchestrating a set of core components responsible for backbone services. These services encompass critical functions such as object detection, communication between components, the distribution of multimedia content and the manipulation of the artifact (e.g., LED lights). The AugmenTable Player comprises various services responsible for the dynamic creation of digital elements, the user interaction with the system and the physical objects, the handling of the physical objects and the seamless translation of the digital content. Moreover, the AugmenTable MR Companion operates in parallel with these components, offering supplementary features, enhancing the user’s immersion and engagement when needed. To illustrate AugmenTable Player’s capabilities and applications, a diverse range of scenarios is presented, showcasing its versatility across various domains and system functionalities. AugmenTable fosters collaborative learning as well as personal exploration and provides an intuitive and interactive learning experience, turning it into a versatile tool and a valuable asset that can be employed in various contexts, such as formal and informal educational applications, cultural heritage applications, or even professional presentations.
Language English
Subject Ambient intelligence
Tangible interaction
Διάχυτη νοημοσύνη
Ενσώματη αλληλεπίδραση
Issue date 2023-12-01
Collection   School/Department--School of Sciences and Engineering--Department of Computer Science--Post-graduate theses
  Type of Work--Post-graduate theses
Permanent Link https://elocus.lib.uoc.gr//dlib/f/5/9/metadata-dlib-1701078487-131212-8537.tkl Bookmark and Share
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