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How is bilateral symmetry of human faces used for recognition of novel views?

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons84263

Troje,  NF
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons83839

Bülthoff,  HH
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Zitation

Troje, N., & Bülthoff, H. (1998). How is bilateral symmetry of human faces used for recognition of novel views? Vision Research, 38(1), 79-89. doi:10.1016/S0042-6989(97)00165-X.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0013-E8F3-1
Zusammenfassung
The role of bilateral symmetry in face recognition is investigated in two psychophysical experiments using a Same/Different paradigm. The results of Experiment 1 confirm the hypothesis that the ability to identify mirror symmetric patterns is used for viewpoint generalization by approximating the view symmetric to the learned view by its mirror reversed image. The results of Experiment 2 show that the match between this virtual view and the test image is performed directly between the images. Performance drops dramatically if the symmetry between the intensity patterns of the learning and the testing view is disturbed by an symmetric illumination, although the symmetry between the spatial arrangement of high-level features is retained. Experimental results are discussed in terms of their relation to existing approaches to object recognition.