Non-Photorealistic Virtual Environments
Author(s): Allison W. Klein, Wilmot Li, Michael M. Kazhdan, Wagner T. Correa, Adam Finkelstein, Thomas A. Funkhouser.
Proceedings: Proceedings of SIGGRAPH 2000, Kurt Akeley, pp. 527--534, July, ACM Press / ACM SIGGRAPH / Addison Wesley Longman,
2000.
[BibTeX]
Abstract:
We describe a system for non-photorealistic rendering (NPR) of
virtual environments. In real time, it synthesizes imagery of
architectural interiors using stroke-based textures. We address the
four main challenges of such a system – interactivity, visual detail,
controlled stroke size, and frame-to-frame coherence – through
image based rendering (IBR) methods. In a preprocessing stage, we
capture photos of a real or synthetic environment, map the photos to
a coarse model of the environment, and run a series of NPR filters
to generate textures. At runtime, the system re-renders the NPR
textures over the geometry of the coarse model, and it adds dark
lines that emphasize creases and silhouettes. We provide a method
for constructing non-photorealistic textures from photographs that
largely avoids seams in the resulting imagery. We also offer a new
construction, art-maps, to control stroke size across the images.
Finally, we show a working system that provides an immersive
experience rendered in a variety of NPR styles.
Where Do People Draw Lines?
Forrester Cole, Aleksey Golovinskiy, Alex Limpaecher, Heather Stoddart Barros, Adam Finkelstein, Thomas A. Funkhouser, Szymon Rusinkiewicz.
ACM Transactions on Graphics (Proceedings of SIGGRAPH 2008), Vol. 27, No. 3, pp. 88:1--11, August,
2008. [BibTeX]
Where Do People Draw Lines?
Forrester Cole, Aleksey Golovinskiy, Alex Limpaecher, Heather Stoddart Barros, Adam Finkelstein, Thomas A. Funkhouser, Szymon Rusinkiewicz.
Proceedings of the International Conference on Computer Graphics and Interactive Techniques (SIGGRAPH), pp. 88:1--11,
2008. [BibTeX]