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[filmscanners] Re: Color spaces for different purposes



Probably the artifacts created in the compression process.  It would
probably be better to convert to JPG first and then sharpen.

Maris

----- Original Message -----
From: "Ken Durling" <kdurling@earthlink.net>
To: <mlidaka@ameritech.net>
Sent: Saturday, June 08, 2002 11:05 AM
Subject: [filmscanners] Re: Color spaces for different purposes


On Sat, 8 Jun 2002 16:17:30 +0100, you wrote:

>Personally I do some sharpening for an archival image that may end up going
>to different outputs. This is only a minor sharpening to restore the
>sharpness of the original which is almost always softened by the scanning
>process. Most images will benefit from further sharpening when targeting
for
>a specific output but this should not really be done for an archival copy.


Speaking of sharpening - I think I understand this in a sort of sloppy
"intuitive" way, but could someone offer a technical explanation of
why sharpening has so much more visible effect on jpegs as opposed to
TIFFs?


Ken Durling

Visit my new easier-to-browse PhotoSIG portfolio:
http://www.photosig.com/viewuser.php?id=203

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