Non-Photorealistic Computer Graphics Library

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Found 10 item(s) authored by "John W. Buchanan" Find Author on Google.

Proceedings Comprehensive Halftoning of 3D Scenes
Oleg Veryovka, John W. Buchanan.
Skiggraph '99, 1999. [BibTeX]

Proceedings Computer-Generated Pencil Drawing

Author(s): Mario Costa Sousa, John W. Buchanan.
Proceedings: Skiggraph '99, 1999.
[BibTeX] Find this paper on Google

Abstract:
In this paper we give an overview of our research on nonphotorealistic rendering methods for computer-generated pencil drawing. Our approach to the problem of simulating pencil drawings was to break it down into the subproblems of (1) simulating first the drawing materials (graphite pencil and drawing paper, blenders and kneaded eraser), (2) developing drawing primitives (individual pencil strokes and mark-making to create tones and textures), (3) simulating the basic rendering techniques (outlining and shading of 3D models) used by artists and illustrators familiar with pencil rendering, and (4) implementing the control of drawing steps from preparatory sketches to finished rendering results. We demonstrate the capabilities of our approach with a variety of images generated from reference images and 3D models.

Proceedings Edge enhancement issues in halftoning
John W. Buchanan, Lisa M. Streit, Oleg Veryovka.
Graphics Interface (GI'98), pp. 209--216, 1998. [BibTeX]

Proceedings Halftoning with Image-Based Dither Screens
Oleg Veryovka, John W. Buchanan.
Graphics Interface (GI'99), 1999. [BibTeX]

Article Importance Driven Halftoning
Lisa M. Streit, John W. Buchanan.
Computer Graphics Forum (EG'98), Vol. 17, No. 3, 1998. [BibTeX]

Proceedings Non-photorealistic Rendering Using an Adaptive Halftoning Technique
Lisa M. Streit, Oleg Veryovka, John W. Buchanan.
Skiggraph '99, 1999. [BibTeX]

Proceedings Observational Model of Blenders and Erasers in Computer-Generated Pencil Rendering
Mario Costa Sousa, John W. Buchanan.
Proceedings of Graphics Interface (GI'99), pp. 157--166, 1999. [BibTeX]

Article Observational Models of Graphite Pencil Materials
Mario Costa Sousa, John W. Buchanan.
Computer Graphics Forum, Vol. 19, No. 1, pp. 27--49, March, 2000. [BibTeX]

Article Special Effects with Half-Toning
John W. Buchanan.
Computer Graphics Forum, Vol. 15, No. 3, pp. 97--108, 1996. [BibTeX]

Proceedings The edge buffer: A data structure for easy silhouette rendering
John W. Buchanan, Mario Costa Sousa.
1st International Symposium on Non-Photorealistic Animation and Rendering (NPAR'00), pp. 39--42, Annecy, France, June 05 - 07, 2000. [BibTeX]

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