Subscribe now

Technology

AI can alter the speed of just one object or person in a video

By Chris Stokel-Walker

9 October 2020

A neural network can distinguish between people and objects in a video, and speed up or slow down their movements separately while ensuring they smoothly interact with each other. This could be used to dramatise or de-emphasise certain movements or events in a video.

To achieve this, a team at Google and the University of Oxford split out each frame of video into separate layers and taught an AI to identify the people or objects in them.

This neural network homes in on the things in each layer by focusing on their…

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox! We'll also keep you up to date with New Scientist events and special offers.

Sign up

To continue reading, subscribe today with our introductory offers

View introductory offers

No commitment, cancel anytime*

Offer ends 2nd of July 2024.

*Cancel anytime within 14 days of payment to receive a refund on unserved issues.

Inclusive of applicable taxes (VAT)

or

Existing subscribers

Sign in to your account