Non-Photorealistic Computer Graphics Library

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Found 16 item(s) authored in "2008".
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Article Real-Time Gradient-Domain Painting

Author(s): Jim McCann, Nancy Pollard.
Article: ACM Transactions on Graphics, Vol. 27, No. 3, pp. 93:1--93:7, August, 2008.
[BibTeX] [DOI] Find this paper on Google

Abstract:
We present an image editing program which allows artists to paint in the gradient domain with real-time feedback on megapixelsized images. Along with a pedestrian, though powerful, gradientpainting brush and gradient-clone tool, we introduce an edge brush designed for edge selection and replay. These brushes, coupled with special blending modes, allow users to accomplish global lighting and contrast adjustments using only local image manipulations - e.g. strengthening a given edge or removing a shadow boundary. Such operations would be tedious in a conventional intensity-based paint program and hard for users to get right in the gradient domain without real-time feedback. The core of our paint program is a simple-to-implement GPU multigrid method which allows integration of megapixel-sized full-color gradient ?elds at over 20 frames per second on modest hardware. By way of evaluation, we present example images produced with our program and characterize the iteration time and convergence rate of our integration method.

Article Shape-simplifying Image Abstraction
Henry Kang, Seungyong Lee.
Computer Graphics Forum, Vol. 27, No. 7, pp. 1773--1780, 2008. [BibTeX]

PhD Thesis Stereoscopic Non-Photorealistic Rendering
Efstathios Stavrakis.
Vienna University of Technology, Austria, December, 2008. [BibTeX]

Article Stylized Depiction in Mixed Reality
Jan Fischer, Michael Haller, Bruce H. Thomas.
International Journal of Virtual Reality, Vol. 7, No. 4, pp. 71--79, December, 2008. [BibTeX]

Article 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]

Proceedings 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]

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