RIT study benchmarks quality of digital archiving in American museums

01/30/04

Mellon Foundation funds RIT research

The digital camera has significantly changed how museums archive their collections for print and posterity. But while film has fallen by the wayside in museum photography, the quality of the new digital archives may have suffered in the transition.

Rochester Institute of Technology has won a $164,000 grant from the Andrew W. Mellon Foundation to benchmark and improve the quality of art imaging in American museums. The 15-month project will "document current practices, develop new testing procedures to quantify quality, and increase the scientific level of American museum imaging professionals," says Roy Berns, the Hunter Professor in the Chester F. Carlson Center for Imaging Science at RIT.

"RIT is taking the lead on this," says Franziska Frey, assistant professor in RIT's School of Print Media. "No one has comprehensively looked at the quality being produced in the museums."

Co-investigators Berns and Frey are documenting the workflow museums use to digitally photograph paintings and sculptures.

The workflow is the process that begins with taking an object from a museum's archive to its photo studios, lighting the object, shooting a picture, loading the digital image into a computer program and putting the image into different uses, Frey says.

"We wanted to find out the exact steps that are happening," she says. "We want to look at if from a technical point of view."

Frey thinks the time is right for a study of this nature because museums have been using digital imaging for a few years and have established distinct workflows.

Frey and Berns developed and administered a questionnaire about art-imaging practices to museums to get an overview of current practices. The survey will elicit information about specific hardware and software, calibration, viewing environment, file format, image storage and other aspects of the process. Five museums will be chosen for in-depth case studies and on-site visits.

"The goal is to improve the quality of the practices in the United States," Berns says.

The transition from film to digital has left the onus on the photographer to get the printing right. With film, Frey explains, an intermediate person handled prepress details, which are now the responsibility of the photographer.

"And if that isn't done right, later on you don't have the quality you would need," Frey says. "In the museum environment money is always a problem. You want to get things done the right way. You don't want to have to redo them."

Berns and Frey will develop new test procedures by compiling current standards, test targets and practices, and by soliciting input and feedback from museums, sensor and camera manufacturers, and organizations that develop standards for digital cameras, such as the American National Standards Institute, the International Organization for Standardization and the National Information Standards Organization.

The procedures and targets will be tested at RIT's Munsell Color Science Laboratory using camera systems representative of those used at the museums surveyed. These cameras are part of another project, also supported by the Mellon Foundation, aimed at building novel spectral-based imaging systems for the National Gallery of Art and the Museum of Modern Art. By the end of the project, a series of test procedures and targets will be available to museums.

"We are extremely pleased that the Mellon Foundation continues to look to RIT to provide leadership in color and imaging science of cultural heritage," Berns says.

Source: Eurekalert & others

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