Loading ...Spatio-Temporal Video Warping
18:35 
Tech
( through /. )
Here’s a “a new framework for spatio-temporal warping of video”. They are able to set different playing speeds to different parts of the same video!
Look at the swimmers race and demolition videos.
Select the winner in any race.
By enabling time to flow differently at different locations in the video, we create new videos with any desired winner.
Demolition: Customize the way you want the stadium to be blown: Starting at the sides or starting at the center?
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This technique is great, but it’s quite old, After Effects has this functionality inside it’s effects (time warp FX). It uses simple alpha channel to map frames, where white coloured pixel would be taken from actual frame, and all other pixels would be taken from to previous frames. It is quite simple. only problem is that this FX requires lot’s of ram, as many frames has to be read.
Comment by Angel_of_Dark — Monday, 20 November 2006 @ 20:17