VueScan and Minolta Scan Dual IV Color Problem

S

sunxt

I'm testing VueScan 8.0.1 with my new Minolta Dimage Scan Dual IV. I'm
having a color problem similar to what someone had before: The scanned
images have alternating translucent green and purple bands. The
difference from what the other user had is that the problem happens no
matter I set the "number of samples" to 1 or 2 or 4 or whatever. I
don't have this color problem with the Minolta software. Ed Hamrick
said sometime earlier that he was aware of this problem
(http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&[email protected]).
But I'm not sure whether this has been fixed since then (The ChangeLog
for 7.6.82 has an entry of "Fixed problem with Scan Dual IV").

Can anyone confirm this problem or tell me what settings I can change to
avoid this problem.

Thanks!
 
H

Humpty D.

sunxt said:
I'm testing VueScan 8.0.1 with my new Minolta Dimage Scan Dual IV.
I'm
having a color problem similar to what someone had before: The
scanned
images have alternating translucent green and purple bands. The
difference from what the other user had is that the problem happens
no
matter I set the "number of samples" to 1 or 2 or 4 or whatever. I
don't have this color problem with the Minolta software. Ed Hamrick
said sometime earlier that he was aware of this problem
(http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&[email protected]).
But I'm not sure whether this has been fixed since then (The
ChangeLog
for 7.6.82 has an entry of "Fixed problem with Scan Dual IV").

Can anyone confirm this problem or tell me what settings I can
change to
avoid this problem.

Thanks!
Click to expand...

Hah!

Finally someone with the same problem. I reorted the problem to Ed,
not being aware of the fact that he knows about it - I could have
guessed!

I did not report the fact that I also see the color banding at the
number-of-samples = 1, in fact they are very difficult to see at all,
but once you are aware of them you can see them in all scans.

I also have a focussing problem: auto focus is erratic, it does not
give consistent results, and more often than not is way out. Do you
have this problem, or is that OK in your case??

Scanning B/W is just fine: only thing is I have to focus manually,
and that is a time consuming procudure if at all accurate.... But the
final RAW files are fine.

Please tell me how you go about focussing and scanning using Vuescan.
 
S

sunxt

Humpty said:
Hah!

Finally someone with the same problem. I reorted the problem to Ed,
not being aware of the fact that he knows about it - I could have
guessed!

I did not report the fact that I also see the color banding at the
number-of-samples = 1, in fact they are very difficult to see at all,
but once you are aware of them you can see them in all scans.

I also have a focussing problem: auto focus is erratic, it does not
give consistent results, and more often than not is way out. Do you
have this problem, or is that OK in your case??
Click to expand...

I haven't noticed the focusing problem, but I haven't been scanning a
lot using VueScan either, because of this color problem.

BTW, did you set Auto Focus to "Scan"?
 
A

Alex Stols

sunxt said:
I haven't noticed the focusing problem, but I haven't been scanning
a
lot using VueScan either, because of this color problem.

BTW, did you set Auto Focus to "Scan"?
Click to expand...
<snip>

Yes I did: I scanned the same small area containing a few scratches
etc. repeatedly. This resulted in very differently focussed scans.
All in B/W of course: I haven't done any color since I found out
about the color banding problem.

Have you done any B/W at all? Were you satisfied with the results?

There *must* be others that have the SD4 and Vuescan and want to scan
color negatives??
 
E

Ed Cherry

sunxt said:
I haven't noticed the focusing problem, but I haven't been scanning a
lot using VueScan either, because of this color problem.

BTW, did you set Auto Focus to "Scan"?
Click to expand...


I have asked Ed several times to address this ... it appears he does
not consider this to be a big issue. I hope he will fix this in the
future.
 
A

Alex Stols

I have asked Ed several times to address this ... it appears he does
not consider this to be a big issue. I hope he will fix this in the
future.
Click to expand...

Ed,
have you tried the 2 samples setting on color negatives? I see the
vividly colored bands as a *big* problem.
Most of the time you would use just one sample per point, but even
then there appears a definite coloring in bands, only not so vivid.
For me it renders Vuescan useless to do color. Do you have those
faint bands too?

Are you also not having any Auto Focus problems? If that's the case,
it may be that my DS4 is broken, although using the Minolta SW there
is no focussing problem at all. And I hate manual focussing!
 
A

Alex Stols

news:<[email protected]>...
Click to expand...
I have asked Ed several times to address this ... it appears he does
not consider this to be a big issue. I hope he will fix this in the
future.
Click to expand...

Ed,

will you keep me posted as soon as you found a way out of the color
problem?
What do you use now, the Minolta sw? Vuescan? What medium do you scan
mostly?

I had hoped Ed Hamrich would at least tell us if and when he will
look into the problems with the DS4...
 
S

sunxt

Ed said:
I just released VueScan 8.0.6 with a fix for the single-pass
multi-sampling problem (it works now). You can download it from:

http://www.hamrick.com/
Click to expand...

I guess Ed just doesn't get what the problem is. We might need to
provide a sample image. I don't have a hosting space right now. Maybe
somebody can post one.
 
A

Alex Stols

Ed Hamrick said:
I just released VueScan 8.0.6 with a fix for the single-pass
multi-sampling problem (it works now). You can download it from:

http://www.hamrick.com/

If there are other problems with the Scan Dual IV, it would be
useful to report them using the procedure at:

http://www.hamrick.com/sup.html

Regards,
Ed Hamrick
Click to expand...

Hello Ed,

Thanks for the new version of Vuescan, but it hasn't helped me.
The color problem: it still is there! I sent you a "Problem Report"
about this with zipped log file. I could put up an example jpg if you
like, but I have the feeling that the scan log already contains a
kind of an image :)

I also sent you a report on the "focussing problem" on May 22nd,
complete with log. *That* is another problem to be addressed I think.

Hopefully you can address these probllems soon!
 
M

marcin

hey i have the same problems with my DS4 and vuescan - the bands or
stripes, auto focus being erratic thing + this program crushes a lot,
unlike minolta's original software but here the details suck...
i'm using 8.0.10 vuescan right now and these damm things are still
going on.
any clues? thanks
 

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