[sane-devel] SANE calibration on Mac OS X Tiger

[Gerhard Jaeger]

On Wednesday 02 November 2005 15:15, Saul Good wrote:
> I have a CanoScan LiDE 30 and I am trying to use SANE as the device driver.  
> It installs fine and scans fine, but the scans come out very dark as 
> compared to VueScan.  I've read the files on how to configure the 
> plustek.conf (the driver SANE uses for the LiDE 30) and they do in fact have 
> a few settings, but they seem to be enabled properly.
> 
> Here are scanning examples:
> 
> VueScan
> http://img392.imageshack.us/img392/6182/vuescanl2sr.jpg
> 
> SANE
> http://img392.imageshack.us/img392/4083/sanel7gd.jpg
> 
> thanks so much in advance,
> ./sg
> 
Which version? What bit-depth?
The latest CVS version should work fine. Try 8bit color scans.
If you use the 16bit then you need to tweak the data after scanning,
as the internal gamma-correction only works for 8bit scans.

HTH
Gerhard