Testing the reliability of hands and ears as biometrics: the importance of viewpoint
Identifieur interne : 000D88 ( Main/Merge ); précédent : 000D87; suivant : 000D89Testing the reliability of hands and ears as biometrics: the importance of viewpoint
Auteurs : Sarah V. Stevenage ; Catherine Walpole ; Greg J. Neil ; Sue M. Black [Royaume-Uni]Source :
- Psychological Research [ 0340-0727 ] ; 2014.
Abstract
Two experiments are presented to explore the limits when matching a sample to a suspect utilising the hand as a novel biometric. The results of Experiment 1 revealed that novice participants were able to match hands at above-chance levels as viewpoint changed. Notably, a moderate change in viewpoint had no notable effect, but a more substantial change in viewpoint affected performance significantly. Importantly, the impact of viewpoint when matching hands was smaller than that when matching ears in a control condition. This was consistent with the suggestion that the flexibility of the hand may have minimised the negative impact of a sub-optimal view. The results of Experiment 2 confirmed that training via a 10-min expert video was sufficient to reduce the impact of viewpoint in the most difficult case but not to remove it entirely. The implications of these results were discussed in terms of the theoretical importance of
The online version of this article (doi:10.1007/s00426-014-0625-x) contains supplementary material, which is available to authorized users.
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DOI: 10.1007/s00426-014-0625-x
PubMed: 25410711
PubMed Central: 4624835
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Stevenage</name><affiliation><nlm:aff id="Aff1">Department of Psychology, University of Southampton, Highfield, Southampton, Hampshire SO17 1BJ UK</nlm:aff><wicri:noCountry code="subfield">Hampshire SO17 1BJ UK</wicri:noCountry></affiliation></author><author><name sortKey="Walpole, Catherine" sort="Walpole, Catherine" uniqKey="Walpole C" first="Catherine" last="Walpole">Catherine Walpole</name><affiliation><nlm:aff id="Aff1">Department of Psychology, University of Southampton, Highfield, Southampton, Hampshire SO17 1BJ UK</nlm:aff><wicri:noCountry code="subfield">Hampshire SO17 1BJ UK</wicri:noCountry></affiliation></author><author><name sortKey="Neil, Greg J" sort="Neil, Greg J" uniqKey="Neil G" first="Greg J." last="Neil">Greg J. 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Stevenage</name><affiliation><nlm:aff id="Aff1">Department of Psychology, University of Southampton, Highfield, Southampton, Hampshire SO17 1BJ UK</nlm:aff><wicri:noCountry code="subfield">Hampshire SO17 1BJ UK</wicri:noCountry></affiliation></author><author><name sortKey="Walpole, Catherine" sort="Walpole, Catherine" uniqKey="Walpole C" first="Catherine" last="Walpole">Catherine Walpole</name><affiliation><nlm:aff id="Aff1">Department of Psychology, University of Southampton, Highfield, Southampton, Hampshire SO17 1BJ UK</nlm:aff><wicri:noCountry code="subfield">Hampshire SO17 1BJ UK</wicri:noCountry></affiliation></author><author><name sortKey="Neil, Greg J" sort="Neil, Greg J" uniqKey="Neil G" first="Greg J." last="Neil">Greg J. Neil</name><affiliation><nlm:aff id="Aff1">Department of Psychology, University of Southampton, Highfield, Southampton, Hampshire SO17 1BJ UK</nlm:aff><wicri:noCountry code="subfield">Hampshire SO17 1BJ UK</wicri:noCountry></affiliation></author><author><name sortKey="Black, Sue M" sort="Black, Sue M" uniqKey="Black S" first="Sue M." last="Black">Sue M. Black</name><affiliation wicri:level="1"><nlm:aff id="Aff2">Centre for Anatomy and Human Identification, College of Art, Science and Engineering, University of Dundee, Dundee, DD1 4EH Scotland, UK</nlm:aff><country xml:lang="fr">Royaume-Uni</country><wicri:regionArea>Centre for Anatomy and Human Identification, College of Art, Science and Engineering, University of Dundee, Dundee, DD1 4EH Scotland</wicri:regionArea><wicri:noRegion>DD1 4EH Scotland</wicri:noRegion></affiliation></author></analytic><series><title level="j">Psychological Research</title><idno type="ISSN">0340-0727</idno><idno type="eISSN">1430-2772</idno><imprint><date when="2014">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>Two experiments are presented to explore the limits when matching a sample to a suspect utilising the hand as a novel biometric. The results of Experiment 1 revealed that novice participants were able to match hands at above-chance levels as viewpoint changed. Notably, a moderate change in viewpoint had no notable effect, but a more substantial change in viewpoint affected performance significantly. Importantly, the impact of viewpoint when matching hands was smaller than that when matching ears in a control condition. This was consistent with the suggestion that the flexibility of the hand may have minimised the negative impact of a sub-optimal view. The results of Experiment 2 confirmed that training via a 10-min expert video was sufficient to reduce the impact of viewpoint in the most difficult case but not to remove it entirely. The implications of these results were discussed in terms of the theoretical importance of <italic>function</italic> when considering the canonical view and in terms of the applied value of the hand as a reliable biometric across viewing conditions.</p><sec><title>Electronic supplementary material</title><p>The online version of this article (doi:10.1007/s00426-014-0625-x) contains supplementary material, which is available to authorized users.</p></sec></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Black, Sm" uniqKey="Black S">SM Black</name></author><author><name sortKey="Mallett, X" uniqKey="Mallett X">X Mallett</name></author><author><name sortKey="Rynn, C" uniqKey="Rynn C">C Rynn</name></author><author><name sortKey="Duffield, N" uniqKey="Duffield N">N Duffield</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Black, Sm" uniqKey="Black S">SM Black</name></author><author><name sortKey="Macdonald 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