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clean “exposure” adjustment technique needed in post!!
This one falls into the category of “it would’ve been much easier to do it right in the shoot”…
A multicam shoot went well except for one camera being set improperly. The iris was closed down and the gain boosted… but not enough. Now, there’s graininess / video noise to deal with. Specifically, the shot is of a speaker on a theatrical stage with a royal blue backdrop curtain. When the gain is boosted (in the fast color corrector) or the pedestal raised, the grain increases to the point of distraction. The original footage is about 4 hours. The edited footage (all cameras) is about 2 hrs.
I’ve tried the “remove grain” filter in AE, but the process takes about an hour per minute on a dual 3GHz xeon workstation… way too slow.
Any gurus have a quick-n-clean method to solve this dilemma? I’d love to raise the brightness/contrast of the whole image, but if I need to sacrifice some detail in the blues to get bring the image up to par, I’ll still be happy.
– David
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2 Replies
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The majority of grain is usually found in the blue channel, that’s why you are probably noticing it a lot more. You may want to try applying a little “Channel Blur” to that blue channel. Keep in mind that the grain remover in AE works on that same principle, so your render time is going to take a considerable hit either way. You’ve got to suffer to be beautiful she said 🙂
Cheers,
Vince
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Remove grain filter is the best way to go even though it takes FOREVER. A littl tip – What I do – do a little test on a small peice of footage and make sure that remove grain is set the way you want it. Then re-apply it to the entire clip and then just export it. I skip the whole render process.
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