Changing faces: Direction is important

Ross, David Andrew, Hancock, Peter J. B. and Lewis, Michael Bevan ORCID: https://orcid.org/0000-0002-5735-5318 2010. Changing faces: Direction is important. Visual Cognition 18 (1) , pp. 67-81. 10.1080/13506280802536656

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Abstract

Recent research has provided evidence for the role of norm-based coding in face recognition (e.g., Leopold et al., 2001). In such a model, any given face can be represented by a vector from the norm, with the difference between two faces being the difference between the two vectors. However, as has previously been suggested it is also possible to conceive of a model in which the angle between two vectors provides relevant information for differentiating faces. Two experiments investigated this possibility using a face matching paradigm. Discrimination was found to be better when two faces lay on different vectors than when they were the same physical distance apart but lying on the same vector. The results favour a specific type of norm-based model suggesting that vector angle is important in face perception.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Psychology
Subjects:	B Philosophy. Psychology. Religion > BF Psychology
Uncontrolled Keywords:	Face recognition, Norm-based models, Caricature, Face space, Holistic
Publisher:	Taylor & Francis
ISSN:	1350-6285
Last Modified:	20 Oct 2022 09:08
URI:	https://orca.cardiff.ac.uk/id/eprint/30824

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