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Adjusting for a washed-out Green Screen Adjust for a low saturated green screen to get excellent keys in Serious Magic's Ultra By Karl Soule

If a green screen isn't lit well, it can end up looking very flat and washed out. This is because the green saturation isn't very high, and that can lead to difficulty in getting a good key. With ULTRA's color correction, we can adjust for a low saturated green screen, and get excellent keys in minutes.

Here is an example of marginally-saturated green screen. Notice how the green screen lacks any energy in the shot.

Fig 1 - low saturation green screen

Go to the Colors tab, and enable Pre-processing. Now, boost the Saturation up until the green background is well saturated, and has a "kick" to it.

Fig 2 & 3 - Boosting Saturation

At this point, the colors of our talent are oversaturated. Don't worry, we'll correct that after we get the key set up.

Go to the Keyer tab, and set the key in the usual manner. Then, go back to the Colors tab, and enable Post-Processing. Adjust the Saturation back down until the talent looks correct.

Fig 4 & 5 - Getting the talent colors correct

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Re: Adjusting for a washed-out Green Screen by kkolbo at Dec 27, 2005 8:05 pm gmt (Rec'd 3)

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