[sane-devel] PIXMA: 1 Bit B/W Lineart for pixma_mp150 and pixma_mp810 Subdrivers
m. allan noah
kitno455 at gmail.com
Fri Feb 3 21:40:05 UTC 2012
Cool. You might also want to look at the dynamic thresholding code I
added to the epjitsu backend. Stef was able to copy it to genesys as
well. Basically adds a sliding window and some hysteresis to the
threshold determination, brings out text on gray backgrounds and such.
I'd like to add it to sanei_magic someday, but don't have the time
On Fri, Feb 3, 2012 at 4:31 PM, Rolf Bensch <rolf at bensch-online.de> wrote:
> I just commited 1 bit B/W lineart for all scanners in the pixma_mp150 and
> pixma_mp810 subdrivers to the git tree.
> Due to the fact that these ccd scanners doesn't support generic lineart, I
> implemented software-lineart. The graphic frontend (Xsane) provides a slider
> to set the threshold.
> pixma_mp810 subdriver has been tested well with these scanners:
> Canoscan 8800F
> Canoscan 9000F
> Canon Pixma MP810
> Canon Pixma MP960
> pixma_mp150 subdriver isn't tested yet. This code should run, because it is
> similar to the pixma_mp810 code and I compared the diff files.
> Please report other working scanners to the ML.
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