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Fixing Sensor Dust in Final Cut Pro X
Does anyone know of a way to remove sensor dust / spots in FXP X? Or is Motion the place to do this? Any tips on how to fix this quickly? Thank you!!
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15 Replies
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If you don’t have software that lets you clone from one plate to another, you can achieve the same thing in a more “manual” way using Motion.
Take the clip into Motion and duplicate it so you have two layers. Drop the opacity of the top layer down so you can see through it – like an onion skin. Then position the top layer in such a way that a clean sample of color, matching where the dust spot is, is directly over the spot. Ideally, if there is camera movement, you want to find a sample that is located perpendicular to the movement of the camera. So if the camera is panning left and right, look for a solution above or below the spot. The closer your sample is to the spot, the easier your job may be.Then build a tiny matte that’s barely bigger than the spot, and add a little feather to your taste. That matte is for the top layer, so only the little bit of texture covering the spot is being applied.
Now increase the opacity of the top layer to 100% and see how it looks.
If there’s a slight color shift, you can add some color correction to that top layer, or you can even try dropping the opacity a little. This will be something you may need to play with if there is a gradient falling across the footage where the spot is.
This will at least get you started – without having access to any cloning tools. And because it is sensor dust, you won’t have to track anything, so that part is simple. The feathering on the matte is important so that as the camera pans the scene, the new texture being applied over the spot will slide in and out without drawing too much attention. Depending on camera movement, you may need to work with a new layer everytime the camera moves in a new direction – or if the subject suddenly changes direction. Just dissolve from one layer to another to help with the transition, and you should be able to hide it.If it sounds like a lot of work, don’t be too disappointed. Dust-busting and wire-removal are valuable skills.
PS I just found this link where someone demonstrates the same principle, along with motion tracking, for Motion. Picture’s worth a thousand words.
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Thank you so much Glen! Really appreciate your thoughts on this!!
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Hi Emily,
I released a preset here on the cow a few weeks ago that may or may not help you.
Have a look here
https://forums.creativecow.net/readpost/344/3099
Cheers,
Brendan
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Awesome! This is really great – thank you so much!!!
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Brendan, the effect works great, but not in Final Cut X v.10.0.6, I updated and cannot use it anymore…
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great! thanks for sharing this!
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Simon. I don’t understand how to use your “TKY Clone Effect Updated” effect. Can you explain how to use it? Totally couldn’t figure it out. I have a spec of dust on some footage and I want to remove it. I assumed this worked like the Photoshop clone tool where I can select the little spec of dust and then replace it with a pixel very close to the dust spec. The onscreen controls of the effect don’t make any sense to me.
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[Saul Kennedth] “Simon. I don’t understand how to use your “TKY Clone Effect Updated” effect. “
Hi Saul
Here’s a short video that I’ve just made to guide you through using this effect:
https://www.youtube.com/watch?v=HaB_5O_eruo&feature=youtube_gdata
Hope that’s helpful – let me know if you have any further questions.
Simon Ubsdell
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Hey Simon,
I’m sorry, but how do I add that effect into FCP X?
Thank you very much,
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This looks like just what I need to fix a clip, but did fcpx break it somewhere along the way? It doesn’t seem to do anything beyond showing the crosshairs and pixel location dot in 10.1.3
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