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Issue No.02 - March/April (2008 vol.28)
pp: 23
Published by the IEEE Computer Society
Bruce Gooch , University of Victoria
Brian Wyvill , University of Victoria
ABSTRACT
Guest Editors Bruce Gooch and Brian Wyvill discuss computational aesthetics and the articles that comprise their special issue.
Computational aesthetics bridges the analytic and synthetic and integrates aspects of computer science, philosophy, psychology, and the fine, applied and performing arts and seeks to facilitate both the analysis and the augmentation of creative behavior. It investigates the creation of tools that can enhance the expressive power of the fine and applied arts and furthers our understanding of aesthetic evaluation, perception, and meaning.
A series of conferences dedicated to exploring research aspects of this young field have met in Girona, Spain (2005), Dachstuhl, Germany (2006), and Banff, Canada (2007). For this issue, we selected five of the papers presented in Banff that echo aspects of computer graphics that we hope will be of interest to IEEE CG&A readers. Since the conference, the authors have improved their articles, enhancing them with new research results.
In "Informational Aesthetics Measures," the authors examine metrics for the aesthetics of an image and propose additional metrics. From there, we move to something more tangible for scientists. In "Non-dissipative Marbling," the authors present a new algorithm for creating aesthetic marble textures. In the third article, "Viewpoint-Based Ambient Occlusion," the authors introduce a new technique based on information-theoretic concepts at a fraction of the cost of indirect global illumination algorithms. In the next article, "Automatic Mood-Transferring between Color Images," the authors have tackled two problems: the challenge of choosing an appropriate reference image and the effectiveness of a color transfer. Finally, in "Measuring Stipple Aesthetics in Hand-Drawn and Computer-Generated Images," the authors examine the idea that computer-produced drawings that appear hand-drawn are still easily distinguishable as computer-generated and, when analyzed on a statistical basis, vary considerably.
We hope this selection of articles will help our readers to better understand what aesthetics is and what computer technology is currently capable of delivering and to appreciate what's involved in the creative process.

Bruce Gooch is an assistant professor at the University of Victoria. His research interests include cognitive ergonomics, CAe, nonphoto realistic rendering, games, and education. He has a PhD from University of Utah. Contact him at brucegooch@gmail.com.
Brian Wyvill is a full professor and holds a Canada Research Chair at the University of Victoria. His research interests include implicit modeling, nonphoto realistic rendering, and sketch-based modeling. He has a PhD from the University of Bradford. Contact him at blob@cs.uvic.ca.
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