Optical flow

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At a glance

Class

Notion

Domain

Science and technology

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What Wikipedia says

Optical flow or optic flow is the pattern of apparent motion of objects, surfaces, and edges in a visual scene caused by the relative motion between an observer and a scene. Optical flow can also be defined as the distribution of apparent velocities of movement of brightness pattern in an image.

Excerpt from the Wikipedia article “Optical flow”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: See source, CC BY 2.5, via Wikimedia Commons.