[Tig] How to lessen a grainy shot that was underexposed?

Jack James jack
Sat May 6 13:25:26 BST 2006


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The only recourse at this stage is to do some sort of median filter on it.
If you've got loads of time, you could do a complex comp, pulling a number
of keys and edge detection, generate mattes based on those, and then do
blurs an unsharp masking. Pretty much everything you try will ruin the image
to some degree though. Best thing is load up one frame in photoshop and play
around with it to find out what works best on that particular footage

-----Original Message-----
From: tig-bounces at tig.colorist.org [mailto:tig-bounces at tig.colorist.org] On
Behalf Of Ted Langdell
Sent: 06 May 2006 02:47
To: Telecine Interest Group
Subject: [Tig] How to lessen a grainy shot that was underexposed?

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Thanks to oktobor for supporting the TIG
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Ted Langdell
Ted Langdell Creative Broadcast Services
Marysville, CA
Main:  	(530) 741-1212

Hi, TIG readers...

A question on behalf of Final Cut Pro editor Dave Poole... who was 
seeking help on the sfcutters.org list:

I've asked what tools he has in addition to FCP and will post that info 
on arrival.

Don't know how long the shot is but will ask that and what the 
originating medium was.

Ted.

On May 5, 2006, at 6:01 PM, Dave Poole wrote:

> I have some footage that was shot in the early evening, maybe 5:30 pm.

> My zebra stripes led me astray and I closed down the iris a bit too 
> much resulting in a grainy shot.  The adjacent clips aren't grainy 
> (one inside, one outside - same time of day).

> I've bumped up the whites and mids a bit with the 3-way CC but anyone 
> have any luck getting stuff to look less grainy?

>  I'd like to avoid making the adjacent clips look grainy to match the 
> shots but I've considered that option.
>


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