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Recent digital games have been developed not only for entertainment purposes, but also to promote learning. This paper presents MOW (Matching Objects and Words), which is an Augmented Reality (AR) game for learning words in different languages. Experimental tests were performed with Portuguese children during English classes. We have compared the results(More)
INTRODUCTION Pleural effusions can complicate pneumonias in children and adolescents and are usually associated with a long hospital stay and increased morbidity. AIMS To characterise a population of patients with parapneumonic pleural effusion and to establish possible prognostic factors on admission based on clinical, imaging and analytical data. To(More)
Visual coherence between virtual and real objects is a major issue in creating convincing augmented reality (AR) applications. To achieve this seamless integration, actual light conditions must be determined in real time to ensure that virtual objects are correctly illuminated and cast consistent shadows. In this paper, we propose a novel method to estimate(More)
—An augmented reality system allows you to combine real and virtual objects in a real environment, interactively and in real-time, features that give these systems a high potential in learning environments. This paper discusses the fundamentals of information technology in education. In particular, it explores the mobile augmented reality as a tool to(More)
In the last three decades with the Information Technologies advent and the growth of the concept of Virtual Environments, a set of new ways to perform tasks have emerged, in the most diversified areas of society. The main focus of this work was to verify if it was possible to increase the sense of presence through multi-sensory stimulation, creating a(More)
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