Discussion:
Epson Scan: Descreening Filter & Histogram Adjustment
(too old to reply)
Martin
2004-04-11 09:50:02 UTC
Permalink
Epson Scan has three Modes: Full Auto, Home, or Professional.

In Full Auto mode, descreening etc. happens automatically, but if you don't
like the end result all adjustment has to be post-scan.

In Home mode there is a Descreening Filter option.

In Professional mode there is a Histogram Adjustment.

My problem is there is no Histogram Adjustment when there is a Descreening
Filter option, and there is no Descreening Filter option when there is a
Histogram Adjustment.

I scanned a picture today that was too dark, and I needed to adjust the
Histogram, but in order to obviate the need to go through the sequence of
scanning, blurring, resampling then applying a USM, it would have been nice
to have the Descreening option.

I don't want to do the Histogram Adjustment post-scan.

ArcSoft PhotoImpression 4 has a Tone option, which has
Highlight/Midtones/Shadow adjustments - is that the equivalent of the
Histogram?

I look forward to any constructive comments regarding this. And thank you in
advance.
--
Martin
http://martinobrien.co.uk/
J. A. Mc.
2004-04-12 14:29:43 UTC
Permalink
On Sun, 11 Apr 2004 10:50:02 +0100, "Martin"
Post by Martin
Epson Scan has three Modes: Full Auto, Home, or Professional.
In Full Auto mode, descreening etc. happens automatically, but if you don't
like the end result all adjustment has to be post-scan.
In Home mode there is a Descreening Filter option.
In Professional mode there is a Histogram Adjustment.
My problem is there is no Histogram Adjustment when there is a Descreening
Filter option, and there is no Descreening Filter option when there is a
Histogram Adjustment.
I scanned a picture today that was too dark, and I needed to adjust the
Histogram, but in order to obviate the need to go through the sequence of
scanning, blurring, resampling then applying a USM, it would have been nice
to have the Descreening option.
I don't want to do the Histogram Adjustment post-scan.
ArcSoft PhotoImpression 4 has a Tone option, which has
Highlight/Midtones/Shadow adjustments - is that the equivalent of the
Histogram?
I look forward to any constructive comments regarding this. And thank you in
advance.
Answered once -- don't you -read- the groups?
Martin
2004-04-12 16:08:26 UTC
Permalink
Post by J. A. Mc.
Answered once -- don't you -read- the groups?
Where has it been answered?
--
Martin
http://martinobrien.co.uk/
J. A. Mc.
2004-04-12 20:16:04 UTC
Permalink
On Mon, 12 Apr 2004 17:08:26 +0100, "Martin"
Post by Martin
Post by J. A. Mc.
Answered once -- don't you -read- the groups?
Where has it been answered?
Where you posted it on/about the 8th!

Martin
2004-04-12 16:21:25 UTC
Permalink
Post by J. A. Mc.
Answered once -- don't you -read- the groups?
OK, I found it. Thanks for your response.
--
Martin
http://martinobrien.co.uk/
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