Tracking and Separation (Visual Depth Perception 11)

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We study the case of an observer moving at right angles to the aim of the head, fixing his eyes on a (fixate) point F and also observing a distractor D. The important angles for depth perception by motion parallax are

θ

and

α

. The angle

β=α-θ

is mathematically helpful.

To animate motion in time, click the [+] next to the "time

t

" slider and click play [>]. The changing position of the distractor on the retina is "motion parallax".