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Eliminating noise in the blacks
I just got some footage back from a shoot and noticed the gain was slightly off, causing some noise within the blacks of the frame. I know there is some sort of technique to ease it a bit. Doubling up of video layers I believe, but i can’t place what the effect is.
Any Help?
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11 Replies
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Here I am to the rescue again Andy…
Can you grab a frame that shows the problem well and post it here? The tools above, specifically the small icon that looks like a face with a hat, allows you to post any still image except a tiff. That would be particularly helpful, because, as they say, a picture is worth a thousand words.
David
David Roth Weiss
Director/Editor/Colorist
David Weiss Productions, Inc.
Los AngelesPOST-PRODUCTION WITHOUT THE USUAL INSANITY ™
A forum host of Creative COW’s Apple Final Cut Pro, Business & Marketing, Indie Film & Documentary, and Film History & Appreciations forums.
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Typically you would crush out the noise by lowering the blacks all the way to zero.
Arnie
Post production is not an afterthought!
https://www.arniepix.com/ -
[Arnie Schlissel] “Typically you would crush out the noise by lowering the blacks all the way to zero.
“Arnie, there you go, jumping ahead, giving away my answer before I even had a chance to evaluate Andy’s black levels.
Sheesh!!! That’s New Yorkers for ya…
David Roth Weiss
Director/Editor/Colorist
David Weiss Productions, Inc.
Los AngelesPOST-PRODUCTION WITHOUT THE USUAL INSANITY ™
A forum host of Creative COW’s Apple Final Cut Pro, Business & Marketing, Indie Film & Documentary, and Film History & Appreciations forums.
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[David Roth Weiss] “Sheesh!!! That’s New Yorkers for ya…”
Bwa-ha-ha-ha-ha! Now, out of my way!!
Arnie
Post production is not an afterthought!
https://www.arniepix.com/ -
Sorry David, I took a break and went to go see “The Wolfman”, regretfully.
Here’s the Jpeg. This is a totally different beast from what we were going over earlier today, I’ll show the new image from turning down the blacks.
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Here’s the new image. It’s still in the darks, but i think it might be beyond editing
thanks!
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You could try using a de-noise plugin from Neat Video or Graeme Nattress.
-Andrew
3.2GHz 8-core, FCP 6.0.4, 10.5.5
Blackmagic Multibridge Eclipse (6.8.1) -
Andy,
The problem looks to be noise from the gain being cranked in the camera rather than bad black levels.
I set the black levels properly below using the 3-Way Color Corrector and there’s only very subtle differences. There’s a ton of noise in the mids, not just the blacks.
David Roth Weiss
Director/Editor/Colorist
David Weiss Productions, Inc.
Los AngelesPOST-PRODUCTION WITHOUT THE USUAL INSANITY ™
A forum host of Creative COW’s Apple Final Cut Pro, Business & Marketing, Indie Film & Documentary, and Film History & Appreciations forums.
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a href=’https://i1.creativecow.net/u/149018/neatvideoplugin.jpg’>
that’s a nice piece. This thing was a total wreck. Looks a lot better now. Thanks for the help guys.
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Also, Instead of using the NeatVideo, couldn’t i just adjust the luminance and Chroma fields?
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