Non-Photorealistic Computer Graphics Library

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Found 10 item(s) authored by "Victor Ostromoukhov" .

In Collection An interface for the interactive design of artistic screens
N. Rudaz, Roger D. Hersch, Victor Ostromoukhov.
Electronic Publishing, Artistic Imaging and Digital Typography, Springer Verlag, Lecture Notes in Computer Science 1375, pp. 1--10, 1998. [BibTeX]

Proceedings Artistic Halftoning - Between Technology and Art
Victor Ostromoukhov.
SPIE Vol. 3963, pp. 489--509, 2000. [BibTeX]

Proceedings Artistic Screening
Victor Ostromoukhov, Roger D. Hersch.
Siggraph 95, 1995. [BibTeX]

Proceedings Decoupling Strokes and High-Level Attributes for Interactive Traditional Drawing
Frédo Durand, Victor Ostromoukhov, Matthew Miller, Francois Duranleau, Julie Dorsey.
Eurographics Workshop on Rendering 2001, 2001. [BibTeX]

Proceedings Digital Facial Engraving
Victor Ostromoukhov.
SIGGRAPH 99, 1999. [BibTeX]

Proceedings Hatching by Example: a Statistical Approach
Pierre-Marc Jodoin, Emric Epstein, Martin Granger-Piche, Victor Ostromoukhov.
2nd International Symposium on Non-Photorealistic Animation and Rendering (NPAR'02), Annecy, France, June 3-5, 2002. [BibTeX]

In Collection Mathematical Tools for Computer-Generated Ornamental Patterns
Victor Ostromoukhov.
Electronic Publishing, Artistic Imaging and Digital Typography, Lecture Notes in Computer Science 1375, Springer Verlag, pp. 193--223, 1998. [BibTeX]

Proceedings Multi-Color and Artistic Dithering

Author(s): Victor Ostromoukhov, Roger D. Hersch.
Proceedings: Computer Graphics Proceedings, Annual Conference Series, pp. 425--432, 1999.
[BibTeX] Find this paper on Google

Abstract:
A multi-color dithering algorithm is proposed, which converts a barycentric combination of color intensities into a multi-color nonoverlapping surface coverage. Multi-color dithering is a generalization of standard bi-level dithering. Combined with tetrahedral color separation, multi-color dithering makes it possible to print images made of a set of non-standard inks. In contrast to most previous color halftoning methods, multi-color dithering ensures by construction that the different selected basic colors are printed side by side. Multi-color dithering is applied to generate color images whose screen dots are made of artistic shapes (letters, symbols, ornaments, etc.). Two dither matrix postprocessing techniques are developed, one for enhancing the visibility of screen motives and one for the local equilibration of large dither matrices. The dither matrix equilibration process corrects disturbing local intensity variations by taking dot gain and the human visual system transfer function into account. Thanks to the combination of the presented techniques, high quality images can be produced, which incorporate at the micro level the desired artistic screens and at the macro level the full color image. Applications include designs for advertisements and posters as well as security printing. Multi-color dithering also offers new perspectives for printing with special inks, such as fluorescent and metallic inks.

Proceedings Non-Photorealistic Rendering of Hair for Animated Cartoons
Martin Côté, Pierre-Marc Jodoin, Charles Donohue, Victor Ostromoukhov.
GRAPHICON 04, 2004. [BibTeX]

In Collection Perceptual and Artistic Principles for Effective Computer Depiction
Maneesh Agrawala, Frédo Durand, Bruce Gooch, Victoria Interrante, Victor Ostromoukhov, Denis Zorin.
SIGGRAPH 2002, ACM Press, Course #13, San Antonio, Texas, 2002. [BibTeX]

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