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Original research papers

New trends in art conservation, the use of lasers to clean as well as generate an augmented reality representation of an iconic public monument in bronze: The Alma Mater

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Figures & data

Figure 1. Lorado Taft in front of the Alma Mater on the day of dedication 11 June 1929 (1). University of Illinois Archives at Urbana-Champaign.

Figure 1. Lorado Taft in front of the Alma Mater on the day of dedication 11 June 1929 (1). University of Illinois Archives at Urbana-Champaign.

Figure 2. Sculpture before treatment. University of Illinois Archives at Urbana-Champaign.

Figure 2. Sculpture before treatment. University of Illinois Archives at Urbana-Champaign.

Figure 3. The face of the Alma Mater half cleaned by 1064 nm laser ablation, before application of patina.

Figure 3. The face of the Alma Mater half cleaned by 1064 nm laser ablation, before application of patina.

Figure 4. Screenshot image of the sculpture after the installation ceremony ended (transmitted through webcam by the University of Illinois) (7). University of Illinois Archives at Urbana-Champaign.

Figure 4. Screenshot image of the sculpture after the installation ceremony ended (transmitted through webcam by the University of Illinois) (7). University of Illinois Archives at Urbana-Champaign.

Figure 5. Sean Belshaw from Applied Precision performing 3D scanning of the sculpture.

Figure 5. Sean Belshaw from Applied Precision performing 3D scanning of the sculpture.

Figure 6. Left – Mounting the poster that was used as a fiducial marker on the granite base, and right the AR representation of Alma Mater (photo: Magdalena Dajnowski).

Figure 6. Left – Mounting the poster that was used as a fiducial marker on the granite base, and right the AR representation of Alma Mater (photo: Magdalena Dajnowski).

Figure 7. Left – Crowds lined up to try the AR Alma Mater application and have a picture taken with the virtual Alma Mater. Right – Because not everyone had a device with which to experience the AR Alma Mater, the campus set up an iPad for graduates. People with their own devices were free to walk about the area and see the Alma Mater from all perspectives in front of the poster and choose the perspective they would like for their own photo.

Figure 7. Left – Crowds lined up to try the AR Alma Mater application and have a picture taken with the virtual Alma Mater. Right – Because not everyone had a device with which to experience the AR Alma Mater, the campus set up an iPad for graduates. People with their own devices were free to walk about the area and see the Alma Mater from all perspectives in front of the poster and choose the perspective they would like for their own photo.

Figure 8. AR Alma Mater poster. Activate the app on your mobile device and point it at the image.

Figure 8. AR Alma Mater poster. Activate the app on your mobile device and point it at the image.