removing sensor dust from a video

It seems that every answer I can find about this has more to do with a static video shot. I have two dust spots on my sensor so when I shot this video the two spots move across several different types of background. All the plug-ins I have for final cut due tracking. I don't need it to track the video I need it to take a clone sample of the background in that particular frame and put it over the dust particle. Is there any way to do this with some sort of plug-in that I am not aware of?


The technique of duplicating the clip and drawing a mask and shifting the clip below does not work in my situation. I really need a clone stamp type solution.



I have the PaintX plugin but again, that is a tracking solution which will not work in this case.


Many thanks,

Houston

iMac Pro

Posted on Jul 20, 2022 11:41 AM

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Question marked as Top-ranking reply

Posted on Jul 20, 2022 2:48 PM

You can try out Spot Clone 22b (https://fcpxtemplates.com/downloads).


It's still a "beta" development (more or less...) mostly due to "design issues" not functionality.


It will look like this onscreen:




The green circle with the osc in the middle is your source target. The red circle above the other osc is where you need to replace the sensor dust mark.


Your parameters:



Once your finished setting this effect up, turn on Hide Guides! Otherwise they'll render out. Hiding the OSCs is optional and will help while working with this effect.


The Source Point is the one you'll need to keyframe if you have changing "textures" moving across the spot. You can place the Source Point very close to the Target in most cases - so you can closely match whatever is moving by.


Feathering will help disguise the edges (if necessary).


The "Levels" controls (Black In, White In and Gamma) will help match lighting from the source material to the target material (you'd be surprised how often its different enough to be noticeable!)


Scaling the Source to cover the target is sometimes useful... otherwise you can ignore it.


Radius is the size of the spot to be replaced.


Blur because sometimes you just need color and not the texture.


Blend Mode should probably stay Normal — however, this is designed to be *more* than just a cloner.


Opacity can be used to turn off or fade the effect. Also, you can use more than ONE of these effects on a particular clip (say you need some "fancy maneuvering" of the Sources...) opacity can be used to switch "focus" if covering the same spot.



It's not perfect, but it is serviceable.


HTH









3 replies
Question marked as Top-ranking reply

Jul 20, 2022 2:48 PM in response to htown

You can try out Spot Clone 22b (https://fcpxtemplates.com/downloads).


It's still a "beta" development (more or less...) mostly due to "design issues" not functionality.


It will look like this onscreen:




The green circle with the osc in the middle is your source target. The red circle above the other osc is where you need to replace the sensor dust mark.


Your parameters:



Once your finished setting this effect up, turn on Hide Guides! Otherwise they'll render out. Hiding the OSCs is optional and will help while working with this effect.


The Source Point is the one you'll need to keyframe if you have changing "textures" moving across the spot. You can place the Source Point very close to the Target in most cases - so you can closely match whatever is moving by.


Feathering will help disguise the edges (if necessary).


The "Levels" controls (Black In, White In and Gamma) will help match lighting from the source material to the target material (you'd be surprised how often its different enough to be noticeable!)


Scaling the Source to cover the target is sometimes useful... otherwise you can ignore it.


Radius is the size of the spot to be replaced.


Blur because sometimes you just need color and not the texture.


Blend Mode should probably stay Normal — however, this is designed to be *more* than just a cloner.


Opacity can be used to turn off or fade the effect. Also, you can use more than ONE of these effects on a particular clip (say you need some "fancy maneuvering" of the Sources...) opacity can be used to switch "focus" if covering the same spot.



It's not perfect, but it is serviceable.


HTH









Jul 21, 2022 5:05 PM in response to htown

Hi —

Try "Sensor Dust Spot Remover" instead:

https://fcpxtemplates.com/downloads/


No keyframing! Just line up the target and **if necessary** tweak the parameter settings. The Mix parameter is available if you want to be able to keyframe the effect "off" — not all content makes the spot visible and it might be sometimes better to be able to turn off the effect (beats cutting clips unnecessarily.)


Let me know if your dust spots are particularly dark - beyond the ability of this effect to "erase".


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removing sensor dust from a video

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