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Transfering research tools to the greater imaging community

Computer graphics rendering of Trees based on
diffuse and surface normal data collected using the four-light imaging system

Outreach is a key component of the Studio, addressing the education barrier to incorporating scientific imaging within imaging services.

We will continue to submit papers for conferences and refereed journals, in similar fashion to past projects. There will be more emphasis on conservation than in the past, such as the American Institute of Conservation, the CIC Image Archiving conference, and the Museum Computer Network.

A short course will be developed to teach color science to artists, conservators, and curators. The will improve the general knowledge of museum personnel and provide important background that will aid in knowledge transfer of the results from the proposed project. It will also be a vehicle to demonstrate applications of spectral and four-light imaging systems. For example, a painting imaged with the four-light system was input to Maya, a computer-graphics rendering software package used by animators. A virtual museum gallery was produced and the painting rendered for spot illumination, shown in the figure above. Such images and walk-through animations will be included in the short course notes.

Workshops will be developed that are hands-on, in similar fashion to the workshop given during the previous Mellon-funded project, “Improving Artwork Reproduction Through 3D-Spectral Capture and Computer Graphics Rendering – Phase 2.” These will be presented both at RIT and museums.

Roy Berns will visit three institutions per year, on average, and demonstrate the techniques developed and tested at the Studio. Each visit will last approximately one week. Equipment will be brought as needed. During the visit, a workshop and short course will be delivered. Such visits will be extremely valuable as a source of knowledge transfer for both imaging services and Berns.

Another type of outreach is software. Any software developed during the proposed project will be downloadable for free from We are using the Matlab programming language and have purchased a commercial license during 2012 using Berns' discretionary funds. This enables executable software to be written and distributed, either as a commercial product or for free at our discretion. Funds from the proposed project will be used to maintain the commercial license during the course of the project. As an example, all the four-light imaging software developed during the last Mellon-funded project is available for downloading. The software is executable and includes a graphical interface to run the software. A screenshot from ArtViewer is shown in Figure 13, a program that renders images for user-selectable lighting geometry. The specific software to be written is listed in the expected outcomes.

Matlab was selected because we have over a decade of experience with this language and an extensive subroutine library of color-science tools.

Screenshot of software, ArtViewer, written under the direction of Roy Berns, to render data collected using four-light imaging. The image is of the surface normal data, used to render the figure at top.

Our Sponsor

Our grant falls under the domain of:
Scholarly Communications and Information Technology