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[OM] Re: NI - was: minimizing scan noise - was: How I did this?

Subject: [OM] Re: NI - was: minimizing scan noise - was: How I did this?
From: "C.H.Ling" <ch_photo@xxxxxxxxxxxxx>
Date: Tue, 10 Jun 2008 23:59:16 +0800
----- Original Message ----- 
From: "Moose"

> Just a reminder - masks are just right for NR My standard NI action
> applies it on a new layer. Not uncommonly, the level and settings needed
> for the shadows remove too much fine detail in brighter areas. So apply
> the higher level and selectively paint it down or out where it is too
> strong.  Because NR isn't as obvious as brightness, LCE, etc., mask
> painting is quite easy to get right. For really tricky noise situations,
> I've used two NI layers for different areas.
>

I have never think about use layer/mask for NR, I only use this technique to 
balance the exposure for different part of the image, good suggestion!

> I've run into images, especially  with RAW files from the A650, where
> the right NI settings actually reduce noise while enhancing detail -
> occasional magic.
>

It happens to some of my digital images too, when the details are covered by 
regular noise pattern after NR the details will be more visible.

C.H.Ling 


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