Depth Perception

medicmommy2
Mind Map by medicmommy2, updated more than 1 year ago
medicmommy2
Created by medicmommy2 over 5 years ago
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Description

Mind Map on Depth Perception, created by medicmommy2 on 09/05/2014.

Resource summary

Depth Perception
1 Binocular Cues
1.1 Retinal Disparity
1.1.1 Determine depth by the difference in the apparent position of an object as seen by the left and right retinas
1.1.2 Looks at the overlap between images to see how much difference there is between them in order to determine dept
1.2 Convergence
1.2.1 Neuromuscular Cues

Annotations:

  • Neuromuscular cue that determines the degree to which our eyes turn to focus on an object. Our brain monitors the muscle movement to determine how close an object is. Your eyes pull inward when an object is close.
2 Monocular Cues
2.1 Relative Size

Annotations:

  • Larger objects are perceived as being closer. However, we already need to know the size of an object.
2.2 Linear Perspective

Annotations:

  • Parallel lines converge with distance. There is also a vanishing point. The 2 lines never cross however the farther away the line the closer the lines appear together.
2.3 Relative Clarity

Annotations:

  • Hazy objects are seen as more distant. When you are looking at objects far away, you have to look through atmosphere thus objects that are far away appear hazy. (smog in LA)
2.4 Interposition

Annotations:

  • Closer objects block distant objects. It the strongest monocular cue. We know an object is closer because it is blocking another object.
2.5 Texture Gradient

Annotations:

  • Closer objects appear to have sharply defined detail. If it is blurry or fuzzy, the farther the object is bc we start losing detail.
2.6 Relative Height

Annotations:

  • Objects higher in the picture place tend to be seen as farther away. We use this when looking at pictures
2.7 Accommodation

Annotations:

  • The lens of the eye accommodates to focus on nearby objects. When an object is farther away away, the lens stretches out and this monitored by the brain.
2.8 Relative Motion

Annotations:

  • Our ability to determine depth perception by how fast or slow an object is moving. Used to measure depth while we are moving. Objects that move by quickly are closer than those that move by slowly.
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