Flattening Video?

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Flattening Video?

Postby StephenM on 01/10/2016, 10:54 am

This Christmas I got a GoPro Hero4 Session for Christmas and while I like the quality it shoots one think that annoys me is the fact that the camera shoots the video with a bulbous curve. Now while this may be good for action shots I really want to use it for shooting some more traditional footage. That being said is there any way to "flatten the footage in premier sop that it looks more like a regular video?
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Re: Flattening Video?

Postby gregalan on 01/11/2016, 4:25 pm

Hi StephenM, welcome. There is an inbuilt effect in Premiere called Lens Distortion which you should find useful. In After Effects you can use the CC Lens effect.
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Re: Flattening Video?

Postby Farmfield on 01/11/2016, 7:30 pm

If you check GoPro's download section I'm pretty sure they have a video app you can use for doing a lenscorrection on a preset for your particular camera, that's likely an easier solution than messing around trying to fix it manually for each time you shoot something with the GoPro. You will want consistency for that. :)
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Re: Flattening Video?

Postby Guitarboy2828 on 01/11/2016, 11:04 pm

You can also change the FOV of the camera. Basically changing the lens, so instead of using a fish eye lens, it makes it a 35mm or 50mm and takes away the distortion, probably a better way to go than trying to fix it in post.
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Re: Flattening Video?

Postby Farmfield on 01/12/2016, 11:05 am

Mmm, the FOV is a crop factor, same lens, you're just cropping away the distorted edges. Not the way I would personally go, though it of course depends on what you're filming...
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Re: Flattening Video?

Postby Guitarboy2828 on 01/12/2016, 11:38 am

100% true Farmfield, I did not mean physically changing the lens. But in theory that is what Gopro is doing digitally, giving you a less wide angle distorted look.
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Re: Flattening Video?

Postby Farmfield on 01/12/2016, 4:00 pm

Oh, I never meant it as you being wrong, you said changing the FOV, which is what is done, but that also means it's a crop, I just wanted to clarify that. And my personal experience is the cropped GoPro footage looks kinda weird as it is a cropped wide angle lens, so I prefer keeping it at least somewhat towards the wide, so bigger FOV. :)
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