Smear (optics) in the context of "Persistence of vision"

Play Trivia Questions online!

 or

Skip to study material about Smear (optics) in the context of "Persistence of vision"
Ad spacer

⭐ Core Definition: Smear (optics)

In optics, smear is used to refer to motion that has low temporal frequency relative to the integration/exposure time. This typically results from a relative rate of the image with respect to the detector (e.g., caused by movement in the scene). Smear is typically differentiated from jitter, which has a higher frequency relative to the integration time. Whereas smear refers to a relatively constant rate during the integration/exposure time, jitter refers to a relatively sinusoidal motion during the integration/exposure time.

The equation for the optical modulation transfer function associated with smear is the standard sinc function associated with an extended sample

↓ Menu

>>>PUT SHARE BUTTONS HERE<<<

👉 Smear (optics) in the context of Persistence of vision

Persistence of vision is the optical illusion that occurs when the visual perception of an object does not cease for some time after the rays of light proceeding from it have ceased to enter the eye. The illusion has also been described as "retinal persistence", "persistence of impressions", simply "persistence" and other variations. A very commonly given example of the phenomenon is the apparent fiery trail of a glowing coal or burning stick while it is whirled around in the dark.

Many explanations of the illusion seem to describe positive afterimages or smear (comparable to motion blur in photography, film and video).

↓ Explore More Topics
In this Dossier
LINKED FROM (PARENTS)
← Persistence of vision
LINKS TO (CHILDREN)
Optics → Jitter (optics) → Modulation transfer function → Sinc →