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Removing white artefacts in collage

New Here ,
Nov 25, 2021 Nov 25, 2021

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Hi all,

I made a collage from a few different video files as below.

As you can see, the white turntable/shades are still visible and I want to make that the same color as the (greyish) background. The problem is that the objects in the video move which makes it a lot harder to do so. I can do this manually by using masks but that would take a lot of time. I tried using tracking masks but doesn't work out well. Would you know a way to remove these white artefacts (semi)automatically?

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Editing, Effects and Titles

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Adobe Community Professional ,
Nov 25, 2021 Nov 25, 2021

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Interesting problem. I would likely just key out the background completely and add the ground/shadow back in with a heavily feathered mask set to subtract.

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New Here ,
Nov 25, 2021 Nov 25, 2021

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Thank you for your suggestion. Everything I try with keying also affects the white parts of the subjects, I can't get that right unfortunately.

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Adobe Community Professional ,
Nov 25, 2021 Nov 25, 2021

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That makes sense. I suppose I had imagined doing a bit of masking on the objects. If you had a clean plate of the background you could try a difference key. Also, if you have after effects you can try auto rotoscope, but other than that I guess there isn't much to be done outside of some manual masking and blending etc.

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New Here ,
4 hours ago 4 hours ago

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I tried rotoscope in AE, though it turns out it has too much difficulty with telling the difference between the background and the white parts (same problem as with keying); I had to adjust every single frame. I decided to reshoot the footage in different lighting, that seems the fastest approach for now. Thanks for your suggestions!

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