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     áòèé÷ :: Filmscanners
Filmscanners mailing list archive (filmscanners@halftone.co.uk)

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Re: filmscanners: Blue noise - suggestions for removal?



I could deal with the blue of the fringe but not the darkness of the fringe:
 
(Using Corel PhotoPaint) I changed to LAB mode, then adjusted the tone curve of channel B (the blue-yellow continuum channel):  I raised the middle of the curve from 0-0 coordinates to about 0-+2 or 3 on a scale of 0 to 60 each direction so that's about 2-3%.
 
To eliminate extra yellow in the cheeks I then decreased the upper (right) hald of the new curve by about the same amount, bringing the curve there back to about +30-+30.
 
The result is attached.
 
Maris
 
 
 
----- Original Message -----
From: "Rob Geraghty" <harper@wordweb.com>
Sent: Tuesday, April 10, 2001 7:57 AM
Subject: filmscanners: Blue noise - suggestions for removal?

| My apologies in advance to digest readers for the attached image.  I've cut
| it down to 6K to minimise the uuencoded text.
| The attached photo is the result of a really icky combination of film and
| light.  The film is Kodak 320T tungsten balanced slide film, and I've taken
| the photo by flash - which is of course daylight balanced...  The result is
| the ugly blue shadows.  I've managed to remove most of the colour imbalance
| from the original slide, but does anyone have any suggestions for removing
| the blue fringing?
|
| Scanned on a Nikon LS30 using Vuescan 7.0.10 with a 4X multipass.
|
| Yes I know it's grainy but on this occasion I'm not worried about the grain.
| :)  It's 320 speed slide film after all.
|
| Rob
|
|

Attachment: new-1.jpg
Description: TIFF image



 




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