Abstract
Modern vision systems are often a heterogeneous collection of image processing, machine learning, and pattern recognition techniques. One problem with these systems is finding their optimal parameter settings, since these systems often have many interacting parameters. This paper proposes the use of a Genetic Algorithm (GA) to automatically search parameter space. The technique is tested on a publicly available face recognition algorithm and dataset. In the work presented, the GA takes the role of a person configuring the algorithm by repeatedly observing performance on a tuning-subset of the final evaluation test data. In this context, the GA is shown to do a better job of configuring the algorithm than was achieved by the authors who originally constructed and released the LRPCA baseline. In addition, the data generated during the search is used to construct statistical models of the fitness landscape which provides insight into the significance from, and relations among, algorithm parameters.
This work was funded in part by the Technical Support Working Group (TSWG) under Task SC-AS-3181C. Jonathon Phillips was supported by the Department of Homeland Security, Director of National Intelligence, Federal Bureau of Investigation and National Institute of Justice. The identification of any commercial product or trade name does not imply endorsement or recommendation by Colorado State University or the National Institute of Standards and Technology.
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Bolme, D.S., Beveridge, J.R., Draper, B.A., Phillips, P.J., Lui, Y.M. (2011). Automatically Searching for Optimal Parameter Settings Using a Genetic Algorithm. In: Crowley, J.L., Draper, B.A., Thonnat, M. (eds) Computer Vision Systems. ICVS 2011. Lecture Notes in Computer Science, vol 6962. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-23968-7_22
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DOI: https://doi.org/10.1007/978-3-642-23968-7_22
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