On Wednesday 02 November 2005 18:46, Saul Good wrote: > > On Nov 2, 2005, at 10:35 AM, Gerhard Jaeger wrote: > > > 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 > > I am using 1.0.15 and 16 bits. I will try the 8 bit scans. Will > internal gamma-correction for 16bit work in future versions?
No, because the internal correction is only available for 8 bit scans. For 16 bit, the LM9833 needs the memory for the scan-buffers. The correction needs to be done in the frontend, i.e. XSane. Gerhard
