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NYU students learn about RTI

Students at NYU learn about RTI technology

RTIViewer developed by CHI and some of our collaborators is open-source software that allows you to view and explore Reflectance Transformation Imaging (RTI) files at very high resolutions. Learn more about RTI and related technologies and download the RTIViewer tool, some sample files to view, and the User Guide.

“Accurate Measurement and the Quantification of Surface and Material Property Change Using New RTI and AR Techniques”

Aboriginal boomerang: split image showing RTI in normal mode and false color normal visualization

Aboriginal boomerang: RTI in normal mode, and false color normal visualization, showing surface details and tool marks.

About This Publication

Authors Carla Schroer, Mark Drew, Mark Mudge, and Minjing Zhang
Published in Volume 5 of the Research and Technical Studies (RATS) Postprints the 42nd Annual Meeting of the American Institute for Conservation and Artistic Works (AIC) in San Francisco
Publication Date 2014
Available from CHI Download the postprint (You can also access the full set of RATS postprints in Volume 5 from the AIC web site)


This paper presents new work in Reflectance Transformation Imaging (RTI) and the use of color and surface normals data. It includes work by Cultural Heritage Imaging, prepared by Mark Mudge and Carla Schroer, and research from Simon Fraser University by co-authors Mark Drew and Mingjing Zhang. In addition, some collaborative work from Sema Berkiten and Szymon Rusinkiewicz of Princeton University is included, as well as recently published work from the Georgia O’Keeffe Museum and several collaborators.