I think this is the approach google is using for google books. I read something a few months ago about a patent application involving a bit of trig to correct for tilted pages. Google it ?
Carl On Tue, 2009-12-01 at 14:21 -0600, brian at amason.net wrote: > I don't see why you couldn't import the pictures into your scanning > application and manipulate them that way. The previous suggestion to use > Gimp to clean them up first is an excellent idea. Also, if you are > planning on making this a long term solution, you might want to make a > frame to hold your item to be scanned and a mount for the camera, along > with a good white light source to completely illuminate the subject > matter. > > Something that could be done for a few bucks, pick up a big cheap framed > picture from a swap meet or thrift store, get an old piece of plywood (or > a new one, a pair of hinges, a pair of sticks screwed together at 90 > degrees, a pair of brackets, and some velcro straps for the camera. Voila, > improv scanner stand! > > ___======= > [___] [] > [] > / [] > / [] > / [] > / [] > . [] > =================== > > > Definitely has a bit of a maker type of thing, and it'd be cheaper to just > buy a cheap linux friendly scanner than make the above. Of course the > above design could be easily improved upon with the addition of a pair of > worm screws and motors, and a control circuit. You could easily build > yourself an awesome plotter sized "scanner". hmmm... > > > Brian > > > Hi All, > > > > I'm thinking of using a digital camera as a scanner. Are there > > applications like these for linux: > > http://www.snapter.atiz.com/index.php > > http://www.topdrawerdownloads.com/download/105128 > > http://www.scanr.com/ > > > > Cheers, > > Mike. > > > ... > > > > Message: 3 > > Date: Mon, 30 Nov 2009 22:58:30 -0500 > > From: Sparr > > > > I use GIMP for this.? Perspective tool in reverse mode, then levels or > > curves.? Some script-fu to automate the process could speed it up a > > little if you need to do many documents. > > > > On Mon, Nov 30, 2009 at 10:51 PM, Mike B. <mb78aa at yahoo.com> wrote: > >> I'm thinking of using a digital camera as a scanner. Are there > >> applications like these for linux: > > > > -- > sane-devel mailing list: sane-devel at lists.alioth.debian.org > http://lists.alioth.debian.org/mailman/listinfo/sane-devel > Unsubscribe: Send mail with subject "unsubscribe your_password" > to sane-devel-request at lists.alioth.debian.org
