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- Visual ambiguities occur as light enters the retina providing a two-dimensional representation of an object. Of course, the world is three-dimensional, so the visual system makes assumptions about an object as it appears, relative to the object’s position and association with other items in its immediate vicinity.
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What are ambiguous images & reversible figures?
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May 31, 2020 · New research sheds light on how the brain categorizes ambiguous visual images. Posted May 31, 2020 | Reviewed by Gary Drevitch. Take a look at the image below... An ambiguous silhouette that...
Mar 22, 2012 · It revealed that disambiguation of ambiguous visual information takes roughly 50 ms or two loops of recurrent neural activity. Further, the decision about the perceptual outcome has taken place at least 340 ms before the observer is able to indicate the consciously perceived reversal manually.
- Jürgen Kornmeier, Michael Bach
- 10.3389/fnhum.2012.00051
- 2012
- Front Hum Neurosci. 2012; 6: 51.
Ambiguous images or reversible figures are visual forms that create ambiguity by exploiting graphical similarities and other properties of visual system interpretation between two or more distinct image forms. These are famous for inducing the phenomenon of multistable perception.
Jun 1, 2010 · Given that the visual system simultaneously deals with ambiguity and invariance under natural viewing conditions, a complete understanding of visual processing requires models that incorporate solutions for both computational challenges.
- Nicole C Rust, Alan A Stocker
- 2010
What does the visual system do to deal with this ambiguity? Your visual system relies on multiple cues for estimating/inferring distance, depth and 3D shape.There are a large set of such cues: relative size, occlusion, cast shadows, shading, dynamic shadows (shadow motion), aerial perspective, linear perspective, texture perspective, and height ...
Sep 9, 2021 · Abstract. Some images evoke bistable percepts: two different visual experiences seen in alternation while continuously viewing an unchanged stimulus. The Necker Cube and Rubin’s Vase are classic examples, each of which gives alternating percepts of different shapes. Other bistable percepts are alternating colors or directions of motion.
The visual system is tasked with extracting stimulus content (e.g. the identity of an object) from the spatiotemporal light pattern falling on the retina. However, visual information can be ambiguous with regard to content (e.g. an object when viewed from far away), requiring the system to also consider contextual information.
