Non-Photorealistic Computer Graphics Library

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Found 5 item(s) authored by "D. Rowntree" Find Author on Google.

Proceedings Cartoon-style Rendering of Motion from Video
John P. Collomosse, D. Rowntree, Peter M. Hall.
Intl. Conference of Video, Vision and Graphics (VVG), pp. 117--124, July, 2003. [BibTeX]

Article Rendering cartoon-style motion cues in post-production video

Author(s): John P. Collomosse, D. Rowntree, Peter M. Hall.
Article: Graphical Models, Vol. 67, No. 6, pp. 549--564, November, 2005.
[BibTeX] [DOI] Find this paper on Google

Abstract:
The contribution of this paper is a novel non-photorealistic rendering (NPR) system capable of rendering motion within a video sequence in artistic styles. A variety of cartoon-style motion cues may be inserted into a video sequence, including augmentation cues (such as streak lines, ghosting, or blurring) and deformation cues (such as squash and stretch or drag effects). Users may select from the gamut of available styles by setting parameters which influence the placement and appearance of motion cues. Our system draws upon techniques from both the vision and the graphics communities to analyse and render motion and is entirely automatic, aside from minimal user interaction to bootstrap a feature tracker. We demonstrate successful application of our system to a variety of subjects with complexities ranging from simple oscillatory to articulated motion, under both static and moving camera conditions with occlusion present.

Technical Report Stroke Surfaces: A Spatio-temporal Framework for Temporally Coherent Non-photorealistic Animations
John P. Collomosse, D. Rowntree, Peter M. Hall.
University of Bath, No. CSBU 2003-01, June, 2003. [BibTeX]

Article Stroke Surfaces: Temporally Coherent Artistic Animations from Video
John P. Collomosse, D. Rowntree, Peter M. Hall.
IEEE Transactions on Visualization and Computer Graphics, Vol. 11, No. 5, pp. 540--549, September/October, 2005. [BibTeX]

Proceedings Video Analysis for Cartoon-like Special Effects
John P. Collomosse, D. Rowntree, Peter M. Hall.
14th British Machine Vision Conference (BMVC), Vol. 2, pp. 749--758, Norwich, U.K., September, 2003. [BibTeX]

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