From owner-freebsd-questions@FreeBSD.ORG Thu Jan 29 15:09:56 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5AF57106564A for ; Thu, 29 Jan 2009 15:09:56 +0000 (UTC) (envelope-from andrewlylegould@gmail.com) Received: from nf-out-0910.google.com (nf-out-0910.google.com [64.233.182.188]) by mx1.freebsd.org (Postfix) with ESMTP id D55AE8FC19 for ; Thu, 29 Jan 2009 15:09:55 +0000 (UTC) (envelope-from andrewlylegould@gmail.com) Received: by nf-out-0910.google.com with SMTP id h3so1337673nfh.33 for ; Thu, 29 Jan 2009 07:09:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type; bh=FkdGzOg+H9cp3Brq+GMzQOJkr7i6OE8+B8rB3X8hXsQ=; b=ePp4wCaVjZhLIBy1CNwLEbIG93q6ZOe7RYYdanZ1ElYFqX1IBsn8d+FRB3ibll66g3 L+ilzqf5xQ3VJ1ycwUj6rZTgfwLePtRdmg7akwhw+dBctFzOgYpzr9ZbEGZGew+93hgH UKyRjf3sYF0KTPusPMELcOs+wgnlfOqXH/ut8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=NNV/8GY+osDBDh/J+icYKeBTF3qhYgXcRlpMYGti9QDuFfCYLkTn11uGwfrAhAlKFq 4Lv0P7hcXdYpenX5bcZdbyqD4J9mt55Nipyl/aDYTkYfsuuwnNX+3gpTHUnINvwaKYBd rCwjaeogiUqD62eOhUhSNaNCPkvgt5+vvevTg= MIME-Version: 1.0 Received: by 10.103.172.7 with SMTP id z7mr91222muo.15.1233241794614; Thu, 29 Jan 2009 07:09:54 -0800 (PST) In-Reply-To: References: <20090128040802.GA94236@thought.org> <319D789FD18042DBB7A19571DA26E5AE@rivendell> <20090128192211.GB22208@thought.org> <20090128230916.GA29328@thought.org> <20090129022349.GB34877@thought.org> Date: Thu, 29 Jan 2009 09:09:54 -0600 Message-ID: From: Andrew Gould To: Reko Turja Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Gary Kline , FreeBSD Mailing List Subject: Re: OCR... X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Jan 2009 15:09:56 -0000 On Thu, Jan 29, 2009 at 7:11 AM, Reko Turja wrote: > > -------------------------------------------------- > From: "Gary Kline" > Sent: Thursday, January 29, 2009 4:23 AM > To: "Andrew Gould" > Cc: "Reko Turja" ; "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 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 > > >>> 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