[sane-devel] JPEG compression slipped in?

[PF]

On Tue, 2007-01-30 at 11:07 +0100, Rene Rebe wrote:
> On Tuesday 30 January 2007 01:36:16 PF wrote:
> > Hi...
> >
> > If I scan a page of text at 200dpi in color mode (for example) with
> > xsane, then zoom in to 400%, I can see jpeg-like artifacts around
> > letters and other sharp lines.  This isn't an artifact of the xsane
> > zooming process, as saving the file as a TIFF and examining the
> > individual pixels with another program will also show the artifacts.
> >
> > Is there an option to turn this off?
> 
> Maybe your device sends JPEG data and the backend is transparently 
> decompressing it ?
> 
> Which scanner are you using?

I'm using an HP PSC 2175 (printer/scanner).  Converting to JPEG in order
to squeeze more through the USB cable seems like overkill to me, but
they may have done it.  What do you think?
-- 
PF <sanedevel at ch.pkts.ca>