From the course: Compositing an Alien Portal in NUKE

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Final touches

Final touches - Nuke Tutorial

From the course: Compositing an Alien Portal in NUKE

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Final touches

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- One of the first things you want to consider in the final touches of a shot is of course regrain. So let's take a look at the original read node here. This clip was actually shot at 5K resolution on a Red and then it's been re-sized down to half HD for this project. Something that high a resolution, scaled down that much virtually eliminates all the noise. I can show you that here, I'm going to lower the viewer gamma and raise the viewer gain in order to increase the contrast. Which will make the noise stand out more. So if we look at the red channel and we just play a little short piece here. Which we will ping-pong. Okay, there's just not much noise in there. If we look at the green channel similarly, in fact the green channel will have a little less noise than the red, and even the blue channel which is usually your noisiest channel, has hardly any noise at all. As a result of this I've decided not to do any grain at all. Put the viewer gamma and gain back to normal and restore…

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