[sane-devel] Scanning negatives with Epson Perferction 1260 Photo

[Gene Heskett]

On Saturday 02 August 2003 07:23, Karl Heinz Kremer wrote:
>Have you tried EPSON Kowa's IScan?
>
>You can download it from this link:
>http://www.epkowa.co.jp/english/linux_e/lsd_e.html
>
>I don't know if this will produce better scans. I don't have this
>scanner,
>so I don't have any first hand experience. What I know is that the
> IScan software produces pretty good scans (even from negatives)
> with other EPSON scanners.
>
>Karl Heinz

I just tried yesterday to make and install iscan-1.5.2, and I think 
I've fixed the .dll and the epkowa files in sane.d, but neither 
xsane, sane-find-scanner nor scan-image -L shows it.

Suggestions appreciated, other than boiling my head :)

>
>On Friday, August 1, 2003, at 05:13 AM, Timo Pylvänäinen wrote:
>> Has anyone produced reasonable scans of negatives with
>> Epson Perfection 1260? I don't have windows, so I don't really
>> know what the best this scanner can do is, but xsane produces
>> unacceptable results.
>>
>> Some have mentioned the "stripes" that appear in the scans.
>> I too, get something like stripes on the scans. A long time
>> ago someone in the archives has suspected something like a
>> self calibration failure. I doubt this is the case. The
>> stripes seem to be as a result of noise.
>>
>> Sufficiently light slides scan okay. Negatives and darker slides,
>> which require software brightening, suffer from the noise. I
>> suspect the noise appears a bit striped because some parts of the
>> sensor are more susceptible. This theory is backed up by expirent
>> where, instead of the film adapter unit, I used a brighter lamp to
>> illuminate the slide.
>> This seems to lead to reduced noise and apparently no stripes.
>>
>> Somehow I suspect that windows software will not produce this
>> noise. Could it be possible that the TPU has a brigthness settings
>> which (x)sane doesn't set properly? Or that the scanner sensor has
>> some sensitivity setting which is not set properly?
>>
>> -Timo
>>
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>
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-- 
Cheers, Gene
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Copyright 2003 by Maurice Eugene Heskett, all rights reserved.