Warp Stabilize 4K on HD timeline

[Ht Davis]

You need to do the same thing with 1080. It’s a process.
If you want to stabilize a clip, the stabilizer needs to find the Common Pixels inside the lost edges, and it needs to find them in a larger video than the current sequence, then it alters the position and zoom using keys to make sure it is still and stable. Then you nest this into a new sequence at your desired res and interpret the footage up (will fit it exactly). I suggest you drop down to 3k then 2k then 1080, depending on how well it stabilizes, so that you can maximize quality.

A one click thing? You’re talking about an After Effects edit, not premiere. When you stabilize in after effects, it is applied to the comp, just make sure the comp is smaller size than the video (you may want to try several different sizes cropping down from your 4k), then blow it up into another comp, and export the whole thing as 4k. You will lose a little quality, but not enough to cry over. One click effect will apply to the video layer, but you use a key at the beginning and end.

[Harry Pallenberg]

I guess what I’m wondering is since the 4K on HD timeline does not need zooming – all it needs is to move the picture around using all the extra pixels. Seems like it would not be that hard to do… hard to believe that something like that does not exist.

Thanks,
Harry

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[Richard Cooper]

Hello Harry,
Premiere cannot warp stabilize a shot on the timeline when the resolution of the clip doesn’t match the timeline resolution, but there is a simple solution. Right click on the 4K clip within your 1080p timeline and choose “Nest” now apply the warp stabilizer to the nested sequence that replaced your 4K clip and it should work for you. You can also use this when you have altered the speed of a clip on your timeline and then want to warp stabilize.
Hope this helps,

Richard A. Cooper
Hybrid Color Films LLC
Anchorage, Alaska
http://www.hybridcolor.com

[Fidel Echeverria]

2019 and yet, I was wondering exactly the same, so, I decided that I was going to create a macro that would:

Create a nested sequence from the clip selected,
Then change the resolution of the clip to its original (4k in this case)
Apply warp (IMPORTANT: NOT MAKING ANY SCALING TO IT, JUST STABILIZE)
And, finally, I would have to resize myself the nested in the original sequence to the point where no black borders visible.

That I imagined it was the best solution so it would no scale up the clip more than it needed and have a fast way to do it.
So I fixed one clip both ways to compare.
one by the method above and another one adjust the clip to the size os the sequence and nested after that,
apply the effect to the nested sequence

It turns out that as long as you adjust the size of the clip first, it makes no difference, even more, seems to make a better job calculating the minimum scaling needed so no black borders appear. At the of the day, the best way to do it is the easiest one.

make a couple of key shortcuts for “adjust to sequence size” and “nest” and apply warp manually with automatic scaling. No shortcut for favorite effects yet,…. I hope it helps somebody