Scientists use multispectral imaging to uncover lost text from manuscripts in Croatia

Researchers from RIT’s Center for Imaging Science traveled to Dubrovnik to help preserve history
13th century piece of parchment paper

RIT imaging scientists recently traveled to Dubrovnik to help preserve Croatian historical manuscripts using multispectral imaging.

Croatia has a treasure trove of historically significant manuscripts including religious texts that date back to the 13th century, but after 800 years of fading ink and worms eating their parchment, much of the text has become impossible to read. Scientists from Rochester Institute of Technology are using multispectral imaging to make the writing legible once again and preserve the important information the manuscripts hold.

A team of faculty, students and staff from RIT’s Center for Imaging Science recently traveled to Dubrovnik in March to show scholars, historians and government leaders there how to use imaging systems to preserve historical artifacts. During their trip, the team digitally restored manuscripts and met with officials at Dubrovnik’s libraries, archives and monasteries, all of which hold documents dating back centuries. Professor David Messinger, director of the Chester F. Carlson Center for Imaging Science, said he was excited to use technology to help preserve and expand access to the historical documents.

Text appears on 13th-century manuscript.Multispectral imaging allows scientists to reveal the Latin text on these faded manuscripts that is no longer visible to the naked eye.

“The manuscript collections there are very extensive, and our role on this trip was to enable the archivists to enhance their collections,” said Messinger. “We develop the technologies, methods and instrumentation and then get it into the hands of people who need it. Their jobs are to preserve these important collections, and I think we were able to show them how imaging systems can help.”

Messinger and his team of imaging scientists hosted public lectures for students from RIT Croatia and the University of Dubrovnik to showcase imaging techniques that can be used to study historical objects of known or unknown significance. Several other imaging scientists from RIT helped run lectures, workshops and imaging projects during the trip, including Professor Roger Easton; Tania Kleynhans ’17 MS (imaging science), associate scientist and imaging science Ph.D. candidate; Tyler Peery, imaging science Ph.D. candidate; and Ken Boydston, president of Megavision Inc. The team received funding and support from RIT Global to make the trip happen.

Researcher points to projected presentation.Tania Kleynhans ’17 MS (imaging science), associate scientist and imaging science Ph.D. candidate, showcased how to use multispectral imaging to restore manuscripts at a workshops for students from RIT Croatia and the University of Dubrovnik.

“The entire visit could be seen as a gold-mining expedition, and I believe that we struck gold,” said Francis Brassard, a professor at RIT Croatia who helped coordinate the trip. “Dubrovnik has a lot of hidden treasures waiting to be discovered. Through solid support from RIT, such Croatian establishments as the Libraries of Dubrovnik and the State archives in Dubrovnik could have the means to increase their significance as repositories of cultural and heritage assets with the hope of becoming more attractive for scholars and researchers from all over Europe.”

The RIT team said that this laid the foundation for more extensive manuscript imaging projects and discussed expanding study abroad opportunities for students with RIT Croatia President and Dean Don Hudspeth. Kleynhans will present on multispectral imaging of historical manuscripts at the “Techne Summit Dubrovnik” May 3-4 at the request of the Croatian Association of Historic Towns.

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