Date: Thu, 29 Jan 2009 09:09:54 -0600 From: Andrew Gould <andrewlylegould@gmail.com> To: Reko Turja <reko.turja@liukuma.net> Cc: Gary Kline <kline@thought.org>, FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Re: OCR... Message-ID: <d356c5630901290709x5787e2e4xa85a5357151a7fc6@mail.gmail.com> In-Reply-To: <E90827F901134030B951FC852CEB4B01@rivendell> References: <20090128040802.GA94236@thought.org> <319D789FD18042DBB7A19571DA26E5AE@rivendell> <20090128192211.GB22208@thought.org> <d356c5630901281132g232f9b60y70c7ed4f750e4428@mail.gmail.com> <20090128230916.GA29328@thought.org> <d356c5630901281733o52f2c2d4u84f4435ba8a2fcbb@mail.gmail.com> <20090129022349.GB34877@thought.org> <E90827F901134030B951FC852CEB4B01@rivendell>
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On Thu, Jan 29, 2009 at 7:11 AM, Reko Turja <reko.turja@liukuma.net> wrote: > > -------------------------------------------------- > From: "Gary Kline" <kline@thought.org> > Sent: Thursday, January 29, 2009 4:23 AM > To: "Andrew Gould" <andrewlylegould@gmail.com> > Cc: "Reko Turja" <reko.turja@liukuma.net>; "FreeBSD Mailing List" < > freebsd-questions@freebsd.org> > Subject: Re: OCR... > > On Wed, Jan 28, 2009 at 07:33:41PM -0600, Andrew Gould wrote: >> >>> On Wed, Jan 28, 2009 at 5:09 PM, Gary Kline <kline@thought.org> wrote: >>> >>> > On Wed, Jan 28, 2009 at 01:32:57PM -0600, Andrew Gould wrote: >>> > > On Wed, Jan 28, 2009 at 1:22 PM, Gary Kline <kline@thought.org> > > >>> wrote: >>> >> > > > > well, damage is probably done. how can i check the > > > >>> resolution? >>> > > > i tried to increase it by creating huge ppm and tif > > > >>> files, but >>> > > > then that's really absurd since there can only be just > > > >>> so much >>> > > > data per image. i _could_ try xv and jpeg and > > > >>> smoothing image >>> >> > Yeah, if the image resolution is already at 72DPI, there's sadly no trick > in the world that can reliably return the "lost" information. I've read some > horrid scans with low resolution in Finereader, and it can grab much of the > information nicely. With low resolution be prepared to manually correcting > problem spots though. Only reliable way to quesstimate resolution is the > font size when at 100% in the screen. If the text is about 10 pixels high, > the information has probably been stored in 72DPI for space saving purposes. > > Wasn't aware of the FreeBSD/Linux backend, but if that works it'd be great > - haven't myself visited their website in ages as the version I have does > the job I got it for. > > -Reko > I may have used the wrong term. I think it used to be an sdk; but now there's a product with "extended platform support" for Linux and FreeBSD. Andrew
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