Abstract
In this study, we develop a process of estimation of importance of features considered in face recognition by making use of the analytic hierarchy process (AHP). The AHP method of pairwise comparisons realized at three levels of hierarchy becomes crucial to realize a comprehensive weighting of cues so that sound estimates of weights associated with the individual features of faces can be formed. We demonstrate how to carry out an efficient process of face description by using a collection of linguistic descriptors of the features and their groups. Numerical dependencies between the features are quantified with the help of experienced criminology and psychology experts. Finally, we present an entropy-based method of evaluation of the relevance of the estimation process completed by the individuals. The intuitively appealing results of experiments are presented and analyzed in detail.
Highlights
Face recognition is one of the most important and influential disciplines of modern biometrics
It is worth noting that the way people describe faces and their parts in natural language is not very complicated and it is quite common for the whole population, which is used by specialists from the field of criminology, at least from one culture regarding to the phenomenon of the own race bias, the finding that faces of one’s own race or ethnicity are better remembered than faces of another race/ethnicity (DeLozier and Rhodes 2015)
In the experimental study the comparisons are carried out by experts who are experienced practitioners working in the fields of criminology and psychology
Summary
Face recognition is one of the most important and influential disciplines of modern biometrics. The main objective of this study is to systematically quantify the importance of the main facial features being used in the process of facial recognition by humans and describe the effectiveness of the overall process This quantification is of utmost relevance as the saliency of the features can be subsequently applied to the process of fusion or aggregation of the information contained about the facial parts at each stage of the process of recognition, at the time of generating the final results of classification (Kwak and Pedrycz 2005). In the experimental study the comparisons are carried out by experts who are experienced practitioners working in the fields of criminology and psychology This way we can obtain the weights for the specific facial features, for those most crucial in the process of facial recognition.
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