Visual Cues and Depth Perception

Question 1

Depth cue definition

Answer 1

Allowances in the environment that allows a person or animal to perceive depth or distance

Question 2

Relative size

Monocular depth cue

Answer 2

Distant objects appears smaller

Eg, size of car on road allows diver to perceive how close it is

Question 3

Occlusion

Monocular depth cue

Answer 3

One object partially obscured another where someone observes, it shows that they are close

Question 4

Linear perspective

Monocular depth cue

Answer 4

As things move further away, they appear closer together to the observer

Question 5

Texture gradient

Monocular depth cue

Answer 5

When objects are more distant, the eye takes in less detail of the texture

Question 6

Height in plane

Monocular depth cue

Answer 6

People or objects that are closer will appear lower down whilst distant objects appear higher up

Opposite for objects in sky, e.g cloud

Question 7

Retinal disparity

Binocular depth cue

Answer 7

If object is closer, the discrepancy between eyes is large

Question 8

Convergence

Binocular depth cue

Answer 8

When object is closer, eyes rotate inwards slightly for it to bring focus into retina