Non-Photorealistic Computer Graphics Library

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Found 3 item(s) authored by "Julie Dorsey" Find Author on Google.

Proceedings A Projective Drawing System
Osama Tolba, Julie Dorsey, Leonard McMillan.
2001 ACM Symposium on Interactive 3D Graphics, 2001. [BibTeX]

Proceedings Decoupling Strokes and High-Level Attributes for Interactive Traditional Drawing

Author(s): Fr├ędo Durand, Victor Ostromoukhov, Matthew Miller, Francois Duranleau, Julie Dorsey.
Proceedings: Eurographics Workshop on Rendering 2001, 2001.
[BibTeX] Find this paper on Google

Abstract:
We present an interactive system, which allows the user to produce drawings in a variety of traditional styles. It takes as input an image and performs semi-automatic tonal modeling. Our system shifts tedious technical aspects to the computer side, while providing the user with freedom on the creative and aesthetic side. The user has low-level control over stroke placement, and high-level control over the tone, smudging and amount of detail. The drawing is rendered in real-time. The basic component is a thresholding model of strokes that can simulate a large class of styles (e.g. pencil, charcoal, engraving). It provides a controllable simulation of the variation of pencil pressure or stroke thickness traditionally used in tonal modeling. We introduce a novel fast equilibration approach for the resulting thresholding structure. The user can specify smudging and control the amount of detail over each part of the drawing.

Proceedings Sketching with Projective 2D Strokes
Osama Tolba, Julie Dorsey, Leonard McMillan.
UIST '99, 1999. [BibTeX]

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