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[filmscanners] Re: Color spaces for different purposes

At this point it's moot since Ken said he resizes in TIFF and sharpens, but
I think you are correct - conversion from TIFF to JPG reduces file size and
apparently compresses, I would think to Maximum quality.  Sharpening at that
point was what I was suggesting, before saving as a more-compressed JPG.


----- Original Message -----
From: "Laurie Solomon" <laurie@advancenet.net>
To: <mlidaka@ameritech.net>
Sent: Saturday, June 08, 2002 3:35 PM
Subject: [filmscanners] RE: Color spaces for different purposes

Alas, either I am misunderstanding you or I am terribly confused; both
options are entirely possible.
>I would convert and sharpen before compressing
If you convert any file format to a JPG format, are you not coverting and
compressing at the same time?  I did not think that in fact they are
practically separate and distinct operations even if the act of coverting
presents itself to the user as if it were being done in stages.  Thus, if I
am correct about the conversion and compression processes being from the
users point of view for all intents and purposes one in the same, how does
one sharpen between the conversion stage and the compression stage?

> -----Original Message-----
> From: filmscanners_owner@halftone.co.uk
> [mailto:filmscanners_owner@halftone.co.uk]On Behalf Of Maris V. Lidaka
> Sr.
> Sent: Saturday, June 08, 2002 1:07 PM
> To: laurie@advancenet.net
> Subject: [filmscanners] Re: Color spaces for different purposes
> I would convert and sharpen before compressing.  It may or
> may not help -
> I'm not an expert - but it would deal with any artifacts that
> might possibly
> be introduced in the conversion process itself.  I would not compress,
> re-open and recompress absent drastic sharpening artifacts in
> the compressed
> JPG.
> Maris

[remainder snipped]

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