plustek@linuxhacker.org

Hi,

the first thing you should avoid is using HTML mails.

On Freitag, 28. März 2003 11:41, Uwe Koch wrote:
> Hello,
>
> I have a Canon LiDE20 scanner and use it with the plustek driver at my PC
> running Linux Suse 8.1 with sane 1.0.9. I'm new to Linux and so I#ve got no
> experience in programming or compiling. But with a little help form the
> usenet I suceeded in using the Canon with Xsane or Kooka. I also know, that
> the current plustek driver is a beta 0.45 version with annonced "poor
> picture quality". But I#d like to know what this "poor quality" meens. I
> see 2 problems with the pictures :
> - scanning "colour" documents create pictures that are much to red, i.e.
> white areas look "light red"
>
> - scanning "gray" documents create really gray (not red) pictures but they
> have horizontal black lines every few pixels
>
> Is this what you meen with "poor quality" ?

Yes, exactly. Currently we got stripes in the scanned pictures and I have at
least no idea where they come from.

> Is it possible to reduce the red colour by defining any parameters ?

Set these values in the "plustek.conf" file (remove the "-1" values)

option red gain   1
option green gain 37
option blue gain  32

> Is anyone working at this driver and needs someone (me) to test it with the
> Canon LiDE20 ?

Yes, I'm still struggling with this problem. Your help is welcome, but
currently I've nothing that can be tested... Stay tuned on the list

Gerhard