Effecting an improvement to the fitness function. How to evolve a more identifiable face.

Frowd, Charlie; Park, Joanne; McIntyre, Alex; Bruce, Vicki; Pitchford, Melanie; Fields, Steve; Kenirons, Mary; Hancock, Peter J.B.

Abstract

Constructing the face of a criminal from the selection of individual facial parts is a hard task. We have been working on a new system called EvoFIT that involves the selection and breeding of complete faces. The approach is theoretically better founded and produces more identifiable composites than those from a traditional 'feature' system. In the current paper, we explored three new methods of presenting faces to a person using EvoFIT. A better quality face was evolved if (1) the external parts of the face were subjected to a Gaussian blur, allowing a user to focus on the important inner region of the face, (2) if the faces were simplified to make them sketch-like in appearance, and (3) if users took longer in deciding which faces to select for breeding. Taken together, these approaches would appear to make a marked improvement in the ability to evolve an identifiable likeness of a target.

• Conference Name: 2008 Bio-inspired, Learning and Intelligent Systems for Security
• Start Date: Aug 4, 2008
• End Date: Aug 6, 2008
• Publication Date: 2008-08
• Deposit Date: Feb 2, 2017
• Publisher: Institute of Electrical and Electronics Engineers
• Book Title: ECSIS Symposium on Bio-inspired Learning and Intelligent Systems for Security, 2008. BLISS '08
• ISBN: 9780769532653
• DOI: https://doi.org/10.1109/bliss.2008.28
• Keywords: Fitness, Facial, EvoFIT,
• Public URL: http://researchrepository.napier.ac.uk/Output/680488