Gaspar, C.M. and Rousselet, G.A. (2009) How do amplitude spectra influence rapid animal detection? Vision Research(49), pp. 3001-3012.
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Abstract
Amplitude spectra might provide information for natural scene classification. Amplitude does play a role in animal detection because accuracy suffers when amplitude is normalized. However, this effect could be due to an interaction between phase and amplitude, rather than to a loss of amplitude-only information. We used an amplitude-swapping paradigm to establish that animal detection is partly based on an interaction between phase and amplitude. A difference in false alarms for two subsets of our distractor stimuli suggests that the classification of scene environment (man-made versus natural) may also be based on an interaction between phase and amplitude. Examples of interaction between amplitude and phase are discussed.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Rousselet, Dr Guillaume and Gaspar, Dr Carl |
| Authors: | Gaspar, C.M., and Rousselet, G.A. |
| College/School: | College of Science and Engineering > School of Psychology College of Medical Veterinary and Life Sciences > School of Psychology & Neuroscience |
| Journal Name: | Vision Research |
| Publisher: | Pergamon |
| ISSN: | 0042-6989 |
| ISSN (Online): | 1878-5646 |
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