Case Study. Pilot of Augmented Reality in Empuries Archeological Site
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Transcript of Case Study. Pilot of Augmented Reality in Empuries Archeological Site
Empúries + Augmented Reality App
Empúries Case Study
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Situation
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Empúries + Augmented Reality App
Empúries Case Study
Empúries constitutes a privileged site for understanding the evolution of urban Greek in the western Mediterranean, a key site to understand our history: gateway for the Greek and Roman cultures in the Iberian Peninsula, starting point for the peninsula Romanisation.
The archaeological site of Empúries is:
• Excepcionality: The only archaeological site in the Iberian Peninsula which preserves bot the remains of a Greek city (Emporion colony enclave) and the remains of a Roman city founded in the early 1st century BC.
• Museum: Halfway to the itinerary, visitors can access to its Museum, where are preserved many objects, tools and ancient artistic works discovered during the excavations, such as the emblematic statue of Asclepius.
Empúries + Augmented Reality App
Empúries Case Study
Pilot main objectives
Empúries + Augmented Reality App
Empúries Case Study
• To research the usability of AR technology applied to cultural heritage and its capability to support and enhance visitors’ knowledge of archaeological sites, both in educational and leisure contexts.
• To provide all users with an ICT supported tour of Catalonia’s Greek and Roman past explained through its living heritage evoking a bygone era, whilst discovering the ruins with 3D reconstructions in an unique immersive experience.
Empúries + Augmented Reality App
Empúries Case Study
App’s main functionalities
Empúries + Augmented Reality App
Empúries Case Study
Relevant information related to the Empúries site and its historical and artistic heritage from various sources of direct and indirect observation (images, videos, sounds and other graphic documents)
Audiovisual content: privileged access to unique videos and virtual visits featuring 3D reconstructions of the main temples and close-ups of the main archaeological findings in the site
Multiple language options: the app offers content in Catalan, Spanish and English.
Interactive map: an overview map of both polis (the Greek and the Roman) and the location of each POI featuring the user's real time location
Audio guide: locutions in Catalan, Spanish and English of each text and descriptions
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Empúries Case Study
• An Augmented Reality tour with 12 POIs (Points of Interest).
• 3D restitutions of the most emblematic buildings in both Roman and Greek sites, high resolution models superposed with the surroundings in real time.
Visualization examples on site, real scenario
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Empúries Case Study
3D models integration with the natural landscape in Empúries:
Visualisation of the temple of Asklepeion, Greek site Video: visualization of the Amphitheatre, Roman site.
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Technologies
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Main application
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Empúries Case Study
ProcessFrom ruins to 3D models
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After the models where build we had more than 1M polygons in some models.
We had to reduce this number to a maximum of 50K
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64 faces * 30 columns *3 (parts of the column)= 576012 faces * 30 columns *3 (parts of the column)= 1080
Same appearance
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Issues detected
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Empúries Case Study
Climate factors:
• The sun and its impact: a negative effect on the user experience and the proper display of images, videos and RA device.
• Current markers not optimal: the glass surface of the markers creates a "mirror effect" that adversely affects its detection by the device. The place where they are located also limited the full potential of performance of the app.
• Lack of shady areas: the site’s landscape is a vast open area with barely trees. During periods of extremely hot weather and abundant sunshine (specially summer) the visit experience can become unpleasant, making difficult a correct visualization of the mobile device’s screen.
Visitor’s behavior
• Due to the characteristics of the site, its surroundings and the current markers located in the place, the devices and its features do not support large user groups or satisfactory collective experiences of more than 3-4 people.
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Empúries Case Study
Image markers
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Raw approach
Off-colour images
Poor contrast
Real state
Poor performance
No action is required
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Contrast and obturation
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Hard shadows
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Reflections
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Damages
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Occlusions
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Hardware, screen reflections
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Marker’s position
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Some solutions
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Real state
Good color and contrast
A lot of features
Very good performance
Action in site is required
New marker
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Board-New image design-No reflections-No protections
Reflections
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HardwareSamsung galaxy tab s 8.4
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Marker’s position
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Empúries Case Study
Thank you!