This paper presents results of a research project ââ?¬Å?dUcaleââ?¬Â that experiments ICT solutions for the museum of Palazzo Ducale\n(Urbino). In this project, the famed painting the ââ?¬Å?Citta Idealeââ?¬Â becomes a case to exemplify a specific approach to the digital\nmediation of cultural heritage. An augmented reality (AR) mobile application, able to enhance the museum visit experience, is\npresented. The computing technologies involved in the project (websites, desktop and social applications, mobile software, and\nAR) constitute a persuasive environment for the artwork knowledge. The overall goal of our research is to provide to cultural\ninstitutions best practices efficiently on low budgets. Therefore, we present a low cost method for high-resolution acquisition of\npaintings; the image is used as a base in AR approach. The proposed methodology consists of an improved SIFT extractor for real\ntime image. The other novelty of this work is the multi point probabilistic layer. Experimental results demonstrated the robustness\nof the proposed approach with extensive use of the AR application in front of the ââ?¬Å?Citta Idealeââ?¬Â painting. To prove the usability of\nthe application and to ensure a good user experience, we also carried out several users tests in the real scenario.
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