Journal article
Contrast as a depth cue
Vision Research, Vol.34(12), pp.1595-1604
1994
Abstract
One consequence of aerial perspective is that far objects have lower contrast than near objects. We tested the efficacy of contrast as a cue for depth perception by measuring the apparent, relative depth of two areas that differed in contrast with a background and in size. We tested monocularly and binocularly. Differences in contrast were achieved by making the areas different in luminance, then varying the luminance of the background. Subjects reported that the area having lower contrast with the background appeared farther than the area having higher contrast. Even when size opposed it, contrast continued to have a significant effect on depth perception. Monocular observation yielded larger apparent depth than binocular observation. Contrast is an effective depth cue in the absence of any other depth information. We suggest that contrast acts as a pictorial depth cue simulating the optical effects of aerial perspective.
Details
- Title
- Contrast as a depth cue
- Authors/Creators
- R.P. O'Shea (Author/Creator) - University of OtagoS.G. Blackburn (Author/Creator) - University of OtagoH. Ono (Author/Creator) - University of Otago
- Publication Details
- Vision Research, Vol.34(12), pp.1595-1604
- Publisher
- Elsevier Ltd
- Identifiers
- 991005543080007891
- Copyright
- © 1994.
- Murdoch Affiliation
- School of Psychology and Exercise Science
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 1 Clinical & Life Sciences
- 1.7 Neuroscanning
- 1.7.203 Visual Perception
- Web Of Science research areas
- Neurosciences
- Ophthalmology
- Psychology
- ESI research areas
- Neuroscience & Behavior