retouch, patch, regrain/renoise?

[Gyuri]

Hi everyone,

I have a question that I should have ask a long time ago. It’s really basic.
A common way to retouch something is to track a patch onto the element you want to remove. I often paint this patch from the surroundings of the element, this means that the painted patch inherits the grain of the picture as well.
The final step of the compositing process should be to regrain that patched area. But if I regrain the grained still image based patch it looks really weird. How do you guys usually solve this issue?
If I degrain the patch, I might loose detail…

Cheers,

pH.

[Aljosha Demeulemeester]

Hi ph

The way I was taught in Shake with Tinder was:

:: Degrain the plate (either yourself or get someone else to do it)
:: Do the paint/compositing work on that
:: Use a common node and switch matte to show only the parts of the plate that changed
:: Regrain this patch using the original grained plate (using a neutral area with no details) as a reference
:: Composite these changed areas over the original grained plate
:: If the original plate has more grain than it should, you can use the result of the common node as a mask for the Regrain

This way you preserve the original plate as much as possible and with any luck the changed areas will have matched grain .

[Anonymous]

if you’re blasting away detail with degraining, try using furnace denoise. it’s (imho) the best degraining tool out there.

you should expect a little bit of blur… just try not to be too heavy handed.

[Author]

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