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TOPIC: how to blur out a image on a a 2018 lightorks video

how to blur out a image on a a 2018 lightorks video 9 months, 1 week ago #182305

  • BetaGraywolf
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I need help blurring and or blocking out an image. any one know how to do it? I need to know quick.

Re: how to blur out a image on a a 2018 lightorks video 9 months, 1 week ago #182307

  • briandrys
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Welcome to the forum.

Here is an unofficial video which may assist you. The part you want is in the second half. NOTE you can use mark and park to select where you want to start and finish the effect (rather than using delete to make an empty cut in the timeline). The video has the flexible layout, but if you go into the VFX tab, you will see that it's pretty similar.

Re: how to blur out a image on a a 2018 lightorks video 9 months, 1 week ago #182350

  • hugly
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Hello,

As briefly pointed out in one of the comments to the video above, it isn't possible to adjust a smooth transition between un-blurred and blurred picture with Lightworks default Blur and Radial Blur effect by adjusting Amount with keyframes. That's as far as I know by design (because of the used algorithm) and not considered to be a bug. It should be possible to create a smooth transition by adding Blend over Blur with constant Amount and keyframes on Fg Opacity of Blend.

Personally, for smooth transitions from/to blurred image I use a user effect, SuperBlur provided by jwrl. Jwrl told that it consumes quite a lot of computing power, but well adjusted it looks very nice.
It's better to travel well than to arrive...
Last Edit: 9 months, 1 week ago by hugly.

Re: how to blur out a image on a a 2018 lightorks video 4 months, 2 weeks ago #190990

  • hugly
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Hello,

The build in effects in the Pro and Free version are the same. There are seven categories with multiple effects listed under each. Take your time to inspect.

The Pro version offers additional plugins for Boris FX, Boris Graffiti and BM Fusion.

Furthermore, a long list of effects provided by users exists, usable with Free and Pro.

Moderated - the message referred to has been deleted for spam. Briandrys
It's better to travel well than to arrive...
Last Edit: 3 months, 2 weeks ago by briandrys.

Re: how to blur out a image on a a 2018 lightorks video 4 months, 2 weeks ago #190997

  • schrauber
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avensis wrote:
... any Effects other than shadow / Light / color correction

You're probably still in the effects settings tab, and you'll see some preselected "auto-effects". To select other effects, please click on the "+", and:

hugly wrote:
... categories with multiple effects listed under each..

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hugly wrote:
... Furthermore, a long list of effects provided by users exists, usable with Free and Pro.
www.lwks.com/index.php?option=com_kunena&func=view&catid=7&id=135923&Itemid=81
But first discover the effects that are already included in Lightworks.
Mainly automatically translated
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Last Edit: 4 months, 2 weeks ago by schrauber.

Re: how to blur out a image on a a 2018 lightorks video 4 months, 2 weeks ago #191006

  • jwrl
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If you just want to blur a section of your frame, khaver wrote an effect called Masked Blur, which you'll find in BLURS AND SHARPENS, along with a link to installation instructions. It's about the 8th or 9th effect down from the top of that post.

Otherwise you could use Super blur and a separate mask. Again, khaver can help there with his PolyMask effects which range from three-sided to sixteen-sided masks and are extremely good. You'll find those in MASKS AND VIGNETTES.
Last Edit: 4 months, 2 weeks ago by jwrl.

Re: how to blur out a image on a a 2018 lightorks video 4 months, 2 weeks ago #191007

  • RWAV
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it isn't possible to adjust a smooth transition between un-blurred and blurred picture with Lightworks
Not necessarily so - the following would not work with all VFX but should be pretty good with a blur.

VFX is about using available tools to achieve a result - thinking outside the square and not expecting there to be a specialised tool for every 'look' is important.

I have used 2 static Gaussian Blur nodes each set set to 1000% for an extreme blur and 25 frame simple dissolves to trasnition between the blurred and non-blurred bits - trthee is a simply empty cut where the blur begins and one where the blur end. That's all veru simple.

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Re: how to blur out a image on a a 2018 lightorks video 4 months, 2 weeks ago #191009

  • jwrl
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I think that what hugly was referring to is that the Lightworks blurs can snap off as you reduce them. Unless they have changed with 14.5 they have always suffered from that problem, and is a result of the blur algorithm used.

Re: how to blur out a image on a a 2018 lightorks video 4 months, 2 weeks ago #191010

  • RWAV
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Wasn't expecting it to work - used the same 2 Gaussian blurs and keyframed them fro 0 - 100 - 0. (at 50 frames from each end)

This is the result. Who says LW can't do it?


Attachment Export smooth Blur Transition.mp4 not found

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Re: how to blur out a image on a a 2018 lightorks video 4 months, 2 weeks ago #191011

  • jwrl
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Where did you find the Gaussian blur? I only have blur and radial blur. Blur snaps on and off, and radial blur has too limited a range to be of much use in this context.

[EDIT] However a further answer to BetaGraywolf, who asked this one question four months ago and hasn't been back: you might also like to look at Obscure (blur) and Obscure (mosaic).
Last Edit: 4 months, 2 weeks ago by jwrl.

Re: how to blur out a image on a a 2018 lightorks video 4 months, 2 weeks ago #191013

  • RWAV
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Sorry, didn't check the export file size, here's a low 480p export.
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Re: how to blur out a image on a a 2018 lightorks video 4 months, 2 weeks ago #191014

  • jwrl
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I don't think that Gaussian blur is a standard Lightworks effect. I certainly don't have it on my systems.

Re: how to blur out a image on a a 2018 lightorks video 4 months, 2 weeks ago #191016

  • RWAV
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Where did you find the Gaussian blur?
I give up! Doesn't everyone have it??
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Re: how to blur out a image on a a 2018 lightorks video 4 months, 2 weeks ago #191017

  • RWAV
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I have opened an old Alacrity project on this computer - which I'm pretty sure had a Gaussian Blur effect - perhaps there is some transfer to FX mechanism for at one time exiting LW VFX???

Will go to my work-in-progress new computer being set up. A virgin install of LW is on it.
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Re: how to blur out a image on a a 2018 lightorks video 4 months, 2 weeks ago #191019

  • jwrl
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My "Stylize" effects start at "Components" - I have neither the gaussian blur nor the box blur. They are present in the "Shaders" folder of the Lightworks program, but appear not to be installed by default.
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