60 fps smoothness on Youtube using interpolation

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Published on ● Video Link: https://www.youtube.com/watch?v=qXYtWxuaoio



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When double framerate cinema was introduced, or when TV monitors started featuring framerate doubling, some people associated that fluidity with TV productions and fell victim to a psychological association fallacy, claiming that the 'movie feeling' was not there.

That aside, fluid video rocks. Today is no longer the era of interlaced video though. Today is the era of non-interlaced high definition high framerate video - usually known as 1080p 60fps and such.

But Youtube still doesn't properly support 60 fps - the framerate that is extremely common due to TFT monitors using it and it being much more useful for gaming (especially fast games) than 30 fps.

So here's a way to make video footage that is compatible with Youtube's 30 fps limit while retaining the temporal information of 60 fps.

You use a process called "interpolation". It's a kind of blending. Crudely speaking, it creates half-transparent pictures of the frames that were dropped during framerate conversion and overlays them. It will create some blur/ghosting, but hey, the result has to be technically 30 fps, so there are no miracles to be expected. This would look better if I could go nuts with resolution and data rate.
There also seems to be a way to do it more elegantly by creating blending in both directions (resulting in one present picture and a ghost of the past as well as a ghost of the future, haha).

What you see here is basically what people have been doing in the past when putting TV recorded video on Youtube (if they were skilled enough to use deinterlacing). When progressive video sources became more common, user-generated content lost temporal information and thus smoothness.

The video alternates between interpolated and non-interpolated in 1-minute intervals.

Try watching it in fullscreen, too.


P.S.: Interpol ate my framerate. O_O ^^

P.P.S.: Yes, I am playing without crosshair. 8-)



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Tags:
framerate
fps
60
30
blending
interpolation
game
footage
recording
video editing