INDIRECT ENCODING OF THE GENES OF A CLOSED CURVE FOR INTERACTIVELY CREATE INNOVATIVE CAR SILHOUETTES

DS 48: Proceedings DESIGN 2008, the 10th International Design Conference, Dubrovnik, Croatia

Year: 2008
Editor: Marjanovic D., Storga M., Pavkovic N., Bojcetic N.
Author: Yannou, B.; Dilhman, M.; Cluzel, F.
Section: Industrial design
Page(s): 1243 - 1254

Abstract

An Interactive Genetic Algorithm system is proposed for designing a car silhouette while involving the style designer in the evaluation process of a population of individuals. This IGA is based on the principle of an indirect encoding of a closed curve genome using a primary Fourier decomposition. A crossing over operator is proposed for mixing the parents’ genes by a random weighted average into a new child’s genome. A perceived similarity index between two genomes is built. It allows to check that our IGA is able to converge toward a targeted individual which was not present within the initial population and, consequently, that any silhouette in a style designer’s mind could be revealed by our system.

Keywords: interactive genetic algorithms, shape design, car profile, fourier decomposition, evolutionary design

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