A Study on Personalization of Museum Experiences by Intelligent Vehicles

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Tomoka YASUDA
Department of Media Science, Graduate School of Information Science, Nagoya University

Art appreciations make us improve our own sensitivity and powers ofobservation and arouse our potential interests and concerns.Therefore, it seems that it is a rich museum experience to be excited by watching art works and to discover many things from art works.In this paper, we propose a system that enriches museumexperiences for each user who is a beginner of art appreciations by personalautomated vehicles which can automatically move indoor. The system canencourage effective museum experiences to users by personalizing appreciationcourses based on their past museum experiences. The system cantacitly record the museum experiences of the users who move in museumsby boarding the automated vehicles.

In recent years, not only audio guide systems but also recommendationsystems on mobile devices have been developed and practically used. However, because watching maps on small displays of themobile devices interupts the users' appreciations, our mechanism that the usersare automatically transported is preferable. Thus, we developed an indoor automatic transportation system that can transport a passenger to a destination with apersonal intelligent vehicle can move to omni-direction. Our indoor automatictransportation system is based on a map-based position detection technique withRFID (Radio Frequency Identification) tags as landmarks.

In this research, we assumed that it is effective for enhancing our museumexperiences that ``effective use of time" and ``comparison of the art worksthat had been appreciated in the past with their related art works", anddeveloped a technique for personalizing the users' appreciation courses duringthe time interval that they set in advance. The system estimates the total timethat the users appreciated the works from a vehicles' staying time and theusers' head directions acquired by a three-axis angle sensor attached on aheadphone used for audio explanations.

In addition, we have performed some subjective experiments to confirm ausability of the system. Each subject appreciated art works in pseudo museumstwice in the limited time,at the first time the subjects use mobile devices, at the second time they useour system. As a result, 90\% of the subjects reported that using this system is more effective than the mobile devices in terms ofenhancing their museum experiences. We confirmed the usability of this systemsfrom these experiments.

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$S=\overline{t_a}-\sqrt{\frac{1}{N}\sum _{i=1} ^{N}{(t_a(i)-\overline{t_a})^2}}$
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$M_a(i)= \left \{\begin{array}{l}true(t_a(i) \geq S_a)\\false(t_a(i) \leq S_a)\end{array}\right.$
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$Precision=\frac{|M \cap N|}{|M|}$
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$Recall=\frac{|M \cap N|}{|N|}$
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$Error=\frac{|\overline M \cap N|}{|\overline M|}$
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