There is indeed research in doing that -- "motion magnification" visualizing vibrations in machinery: https://www.youtube.com/watch?v=rEoc0YoALt0&t=121s https:

There is indeed research in doing that -- "motion magnification" visualizing vibrations in machinery: https://www.youtube.com/watch?v=rEoc0YoALt0&t=121s https://www.youtube.com/watch?v=rEoc0YoALt0&t=121s overview of research, and discussions on HN: https://hn.algolia.com/?query=Eulerian%20Video%20Magnification&sort=byPopularity https://hn.algolia.com/?query=Eulerian%20Video%20Magnificati... TED talk: https://www.youtube.com/watch?v=fHfhorJnAEI https://www.youtube.com/watch?v=fHfhorJnAEI edit: TFA: > from the change of a single pixel’s color value over time, it’s possible to infer motions smaller than a pixel. > the researchers borrowed a technique from earlier work on algorithms that amplify minuscule variations in video,