Скачать или смотреть Out of Focus Video Fix — Repair blurry camera footage | Fixing focus in post tutorial (free soft)

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In this video we'll be fixing a missed focus using free and powerful video editing software.

Davinci Resolve free download — https://www.blackmagicdesign.com/prod...

You're Sharpening Video Wrong by Nathan Carter —    • You're Sharpening Video Wrong - Resolve Tu...  


Davinci Resolve Reference Manual —https://documents.blackmagicdesign.co...

Fix Your Blurry Videos: https://bit.ly/3xLvDaw

CHAPTERS
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00:00 - Intro
01:18 - Step 1 Initial sharpening
01:48 - Enlarge preview
02:22 - Step 2 Switch color space
03:49 - Step 3 Add mask
04:36 - Step 4 Blur originally in-focus objects
05:28 - Before and After (final result)
06:13 - Conclusion

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Text version:

Once You've installed Davinci open new project and drop Your video onto the timeline. Now head to Color page.

Here switch to Blur tab. We have three controls here: Radius, H/V Ratio and Scaling.

We need to play around with Radius and Scaling. Lower the Radius until out-of-focus object looks sharp enough, but not too oversharpened. And then adjust the effect sliding the scaling.

By the way, You can disable gallery and clip windows, so You have more space for Your video. And use ctrl + or command + for macs to scale viewer. It can also be done by using percentage controls at the top on the left.

Great. Now we have turned our video into old style VHS. A lot of noise and color noise and the parts of image that were in focus are now oversharpened. Let's solve this.

Remember that blur controls had three channels each? Red, green and blue? Thing is, when using sharpening, we're applying it to all three color channels, that brings in the color noise.

What we can do, is to switch the node we're working with to LAB color space and turn off AB channels, so now our manipulations only affect L channel — lightness.

There's still some noise and sharpening artifacts, that make our video look way too artificial. Let's move to Color wheels tab and lower Midtone detail parameter.

What it does — is softening those parts of image with low details, staying away from high detailed parts. Unlike using traditional blur, we're keeping our edges in tact, while dealing with noise and adding more natural look.

Don't set midtone detail too low, as it would make an object look flat and plastic.

Let's deal with oversharpened objects. Solution is simple — adding mask in window tab. In Davinci You can easily create masks for moving objects, using tracker feature, but to keep this tutorial short I'll use a simple circle static mask. The only thing I'll do is adjusting it's shape and feather to make it look a bit more like a real focus.

Now the only thing left is blurring the objects that were originally in focus, thus adding more depth of field. Of course, it's nowhere near as optical depth straight from a camera, but to my mind, looks better than a completely flat picture.

To do this add new node by pressing alt+S (option+S for mac). Select previous node, return to window tab, select mask and copy it by using copy window in three dots menu. Get back to new node and use the paste option in the same menu. Now invert the mask by pressing this button. And finally add some blur by increasing radius in the blur tab.

And that's it.

This method will make Your footage usable in most cases.

If there's an extreme bokeh, for example, when Your main object is really close to the camera or when Your camera has a shallow depth of field — then Your only option may be filming a new video. But I hope it's not Your case :)

If this tutorial was helpful — please, give this video thumb's up.

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Music used in video:

Sleepy Fish - I Main Samus Now https://chll.to/2b9882dd
Sleepy Fish - Fireworks Festival https://chll.to/1e0386d4
WEI, Luke Otwell, jacuzzi jefferson - Backseat https://chll.to/c133c0b7