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Is there any easy way to get rid of a bra strap from this interview?

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Noam Osband
Is there any easy way to get rid of a bra strap from this interview?
on Jun 8, 2018 at 3:49:20 pm
Last Edited By Noam Osband on Jun 8, 2018 at 3:52:01 pm

We shot an interview, and when watching it, realized there's about 3 minutes with a bra strap in it.

Is there any easy way to get rid of this without going frame by frame and essentially airbrushing it? Adding to the complication is we are using natural light and it changes a lot over the 3 minutes.

Here's a freeze frame:

Thoughts?


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Andreas Kiel
Re: Is there any easy way to get rid of a bra strap from this interview?
on Jun 8, 2018 at 6:28:12 pm

Try:
Duplicate clip and create luma mask from neckline including bra. Duplicate again and use skin from arm in this mask.
That's just a guess as I haven't seen the whole clip.

Spherico
http://www.spherico.com/filmtools

"He who fights with monsters should be careful lest he thereby
become a monster. And if thou gaze long into an abyss, the abyss will
also gaze into thee." - Friedrich Nietzsche, Beyond Good and Evil


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Jeremy Garchow
Re: Is there any easy way to get rid of a bra strap from this interview?
on Jun 8, 2018 at 6:36:02 pm

This would be a job for Mocha.

You’d have to paint or mask from a clean frame, track the offending frames, and use Mocha’s light interpolation settings.

You can also do the opposite and paint a clean frame without the strap (cloning her skin). Track the strap and edge of her shirt and composite the clean frame sans strap with Mocha masking and tracking.

Either way, it’s a lot of work, especially for 3 minutes of footage.

Check out this tutorial which isn’t the same but offers some ideas in regard to technique:

Start this around 28mins in:







And here’s another:







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Mark Suszko
Re: Is there any easy way to get rid of a bra strap from this interview?
on Jun 8, 2018 at 7:20:04 pm

If you can't use the Mocha tracker method, the Healing Brush in photoshop will do an amazing job here. You'd export the clip as a "frame movie", and open it in photoshop. One swipe with the stylus or mouse per frame, done, and it blends including the lighting changes, which I'm not sure the Mocha based one would do as well.

AfterEffects is supposed to have this ability added to it, that's what you pay the subscription for... but that hasn't been released to an upgrade yet. Only seen in trade show demos so far.


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Bret Williams
Re: Is there any easy way to get rid of a bra strap from this interview?
on Jun 8, 2018 at 7:59:25 pm

I recently used SliceX object remover to remove an offending tuft of hair from an interview. Cloning a piece of the fairly uniform background to cover it. The built in mocha tracking did a great job, changing perspective, shape and scale with the movement of his head. But this looks a bit more complicated.

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Ross Shain
Re: Is there any easy way to get rid of a bra strap from this interview?
on Jun 26, 2018 at 5:19:48 pm

Mocha Pro has had lighting matching for object removes for years. It is a huge time saver once you invest in the time to learn it.

Quick link to the user manual:
https://borisfx.com/support/documentation/mocha/5.6.0/#remove_module

Mocha AE does not include the Remove Module. If you are curious, this chart shows the comparison:
https://borisfx.com/products/mocha/compare-mocha/

Ross Shain
Boris FX / Imagineer Systems
https://borisfx.com/products/mocha/


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Jeff Kirkland
Re: Is there any easy way to get rid of a bra strap from this interview?
on Jun 8, 2018 at 9:27:45 pm
Last Edited By Jeff Kirkland on Jun 13, 2018 at 8:52:18 am

I actually had to do exactly this a couple of years ago and, for me at least, none of the quick fix solutions worked. In the end, I cloned/painted it out in After Effects. If she’s not moving much it won’t take as long as you think. My clip was about two minutes and from memory, I spend just over a day getting it right but half of that was figuring out the best approach.

----
Jeff Kirkland | Video Producer & Cinematographer
Hobart, Tasmania | Twitter: @jeffkirkland


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Ross Shain
Re: Is there any easy way to get rid of a bra strap from this interview?
on Jun 26, 2018 at 5:11:45 pm

The Mocha Pro remove module and 1 or 2 painted frames could probably handle this just fine. Mocha Pro has an "illumination" setting in the Remove module that can match the lighting shifts.

To run Mocha Pro in an FCPX environment, you can run it as an macOS standalone application as it does not work naively inside FCPX.

This tutorial covers the basic workflow (running inside of Premiere) but the general steps are the same:
https://borisfx.com/videos/object-removal-tutorial-for-mocha-pro-running-in...

Ross Shain
Boris FX / Imagineer Systems
https://borisfx.com/products/mocha/


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