Inteum Test Technology for Technology Publisher Redesign

  A software-based method for creating computer-generated renderings of 3D, digital geospatial elevation models that highlight interesting surface features in ways that shaded perspective models do not.


Technology Overview:

This technology enables the creation of automated pen and ink style illustrations of landscapes from resampled digital elevation models (DEMs) in the style of line drawings. This is accomplished through the establishment of algorithms that extract information about features, such as silhouettes, creases and slope lines, from the data contained in the DEMs. These images, described as non-photorealistic terrain renderings, must account for both view-dependent (unique to the viewer) and view-invariant features (important visual cues regardless of the orientation to the viewer) in order to create a platform by which those elements can contribute to a more aesthetically pleasing and informative terrain representation.


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When “less is more”, pen and ink style landscape drawings are appealing alternatives to shaded landscapes. These non-photorealistic computer- generated renderings of landscapes provide a close analogy to the construction of traditional landscape line drawings by communicating specific, scientific information through a language composed of symbols with well understood meanings. This type of rendering uses the rules and constraints of generalization in order to establish a message for an image and furthermore focuses the viewers’ attention on that message. These drawings highlight essential aspects and features of a surface using a minimal number of line strokes. As such this research is just the beginning in exploring and automation of line-drawing techniques from masters such as Lobeck, Imhof, etc., and may provide an interesting nexus for the integration of artistic, geomorphological, and geometric principles for perspective renderings of landscapes.



· Provides the most natural appearing pen and ink style rendering of landscapes compared to other current research in this area.

· Amenable to be implemented as a web-based service, which allows for a platform of experimentation and collaboration across the internet.



A comprehensive landscape illustration package that highlights interesting surface features in ways that shaded perspective models do not.


Patent Status:

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Stage of Development:

There is a working prototype available for demonstration of this technology.


Licensing Status:

University at Albany’s Office of Innovation Development and Commercialization is currently seeking academic and corporate partners who may be interested in participating in development, licensing, or other commercialization of this technology.


Licensing Potential:

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Additional Information:

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