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Identifier 000410287
Title CocinAR : an adaptable multimodal augmented reality system for developing cooking skills in children with cognitive impairments
Alternative Title CocinAR: ένα προσαρμόσιμο πολυτροπικό σύστημα επαυξημένης πραγματικότητας για την ανάπτυξη δεξιοτήτων μαγειρικής σε παιδιά με νοητικές δυσκολίες
Author Παπαδάκη, Ελένη Π.
Thesis advisor Στεφανίδης, Κωνσταντίνος
Reviewer Σαββίδης, Αντώνιος
Ζαμπούλης, Ξενοφών
Abstract Although activities of daily living are often difficult for individuals with cognitive impairments, their autonomy and independence can be fostered through interactive technologies. The use of traditional computer interfaces has however proved to be difficult for these users, bringing to the surface the need for novel interaction methods. This thesis proposes CocinAR, an innovative Augmented Reality system, designed to teach children with cognitive impairments how to prepare simple meals, following a playful approach. CocinAR is currently installed in the kitchen of the Rehabilitation Centre for Children with Disabilities in Heraklion, Crete, where it is used by the educators as a complementary tool in the context of their "Independent living" program. CocinAR consists of five games, aiming to instruct children about: (i) which meals are appropriate for breakfast, lunch, supper and dinner, (ii) how to cook simple meals and (iii) fundamental rules of safety and hygiene that should be applied during the food preparation process. The system supports multimodal interaction techniques utilizing tangible objects on a table-top surface, as well as multimedia output via text, images, audio and video. Moreover, each game is designed to allow unsupervised interaction, providing context-sensitive help, easily accessible by the student. Additionally, CocinAR can be personalized to accommodate the diverse needs and dexterities of children with cognitive impairments by employing individual user profiling, while it gathers and presents statistic information for each individual user. The development of CocinAR followed an iterative human-centered process, involving multiple assessments by User Experience experts and educators from the Rehabilitation Center in every step of the process. The system's lifecycle started with the requirements elicitation, followed by the composition of a detailed design, which led to the first system prototype. The prototype was assessed in terms of usability in a user-based evaluation, and based on the results of this evaluation, the final system was fully implemented. The final system was installed for pilot use and was once again evaluated involving students of the Rehabilitation Center, assessing the individual design choices made, with respect to their appropriateness for children with cognitive impairments, as well as the overall user experience. CocinAR has proved to be intuitive in its use, the interaction via tangible objects comfortable and the graphics appropriate for children with cognitive impairments. Furthermore, all children were very engaged while playing and seemed to enjoy the games. A possible improvement indicated by the evaluation concerns the recipes' content, which could be more gradually presented, supporting cognitive limitations such as the comprehension of complex sentences.
Language English
Subject Adaptivity
Multimodal interaction
Πολυμορφική αλληλεπίδραση
Issue date 2017-07-21
Collection   Faculty/Department--Faculty of Sciences and Engineering--Department of Computer Science--Post-graduate theses
  Type of Work--Post-graduate theses
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