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- Title
Turning the World Upside Down to Understand Perceived Transparency.
- Authors
Juno Kim; Marlow, Phillip J.
- Abstract
Specular surfaces and refractive media are difficult to distinguish from each other because they both generate distorted images of the surrounding lighting environment. Whereas convex refractive objects invert the orientation of the horizon so the sky appears beneath the ground plane, convex specular surfaces preserve the orientation of the horizon so the sky appears above the ground. Here, we show that a refractive transparent object can be made to appear specular and opaque simply by rotating the image by 180. This result suggests that the visual system relies on information tied to the orientation of the horizon to distinguish between refractive and specular objects.
- Subjects
TWISTING (Human body); TRANSPARENT solids; LIGHTING; REFRACTIVE index; EYE; SENSORY perception
- Publication
i-Perception, 2016, Vol 7, Issue 5, p1
- ISSN
2041-6695
- Publication type
Article
- DOI
10.1177/2041669516671566