Fraudulent ID using face morphs: experiments on human and automatic recognition

Robertson, D. J. and Kramer, R. S. S. and Burton, A. M. (2017) Fraudulent ID using face morphs: experiments on human and automatic recognition. PLoS ONE, 12 (3). 0173319. ISSN 1932-6203

Full content URL: https://doi.org/10.1371/journal.pone.0173319

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Abstract

Matching unfamiliar faces is known to be difficult, and this can give an opportunity to those engaged in identity fraud. Here we examine a relatively new form of fraud, the use of photo-ID containing a graphical morph between two faces. Such a document may look sufficiently like two people to serve as ID for both. We present two experiments with human viewers, and a third with a smartphone face recognition system. In Experiment 1, viewers were asked to match pairs of faces, without being warned that one of the pair could be a morph. They very commonly accepted a morphed face as a match. However, in Experiment 2, following very short training on morph detection, their acceptance rate fell considerably. Nevertheless, there remained large individual differences in people's ability to detect a morph. In Experiment 3 we show that a smartphone makes errors at a similar rate to 'trained' human viewers-i.e. accepting a small number of morphs as genuine ID. We discuss these results in reference to the use of face photos for security.

Keywords:error, facial recognition, fraud, human, smartphone, face
Subjects:C Biological Sciences > C800 Psychology
C Biological Sciences > C850 Cognitive Psychology
C Biological Sciences > C830 Experimental Psychology
C Biological Sciences > C810 Applied Psychology
Divisions:College of Social Science > School of Psychology
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ID Code:29097
Deposited On:13 Oct 2017 14:34

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