[Tellico-users] How to use a web-cam to scan ISBN bar-code?
sebastian.held at gmx.de
Tue Apr 17 19:31:34 UTC 2012
I tested the code only with one webcam. It is a fixed focus camera.
It worked quite well, if the distance is correct (use a small fixture
The code is highly experimental and tuneable parameters are only inside
the sorce code...
Am 16.04.2012 07:03, schrieb Stefan Hennig:
> Robby, Stephen,
> Thank you both for your helpful comments. After some very, very mediocre
> results when trying to use my Android phone's cam to scan some barcodes
> I have just ordered a hand-held scanner as Stephen suggested.
> Nonetheless, I will try to recompile the package and see if the web-cam
> will work as a fallback solution on the road.
> On Sun, 2012-04-15 at 21:38 -0400, Stephan Debelle wrote:
>> I had tried to use a webcam for scanning bar code but found it was not
>> easy to acquire the target (bar code). It works (in my case) but in
>> my opinion you are much better off buying a cheap bar code scanner,
>> It is much faster and will save you a lot of time. Working on a
>> non-profit library project we ended up buying this one
>> http://www.amazon.com/Handheld-Automatic-Barcode-Scanner-Reader/dp/B003OUQ174/ref=sr_1_2?ie=UTF8&qid=1326124716&sr=8-2 works great on Ubuntu out of the box. We scan into Libre Office spreadsheet and then import into tellico.
>> Probably does not solve your problem with the webcam but thought I
>> would share my experience with a webcam, simply not the right tool for
>> the job.
>> On Sun, Apr 15, 2012 at 8:35 PM, Robby Stephenson
>> <robby at periapsis.org> wrote:
>> On 04/08/2012 06:11 AM, Stefan Hennig wrote:
>> I am trying to use Tellico to organize my library of
>> about 2000 books.
>> One of the crucial features was the ability to scan a
>> bar-code using the
>> web-cam of my HP635 notebook.
>> The webcam is usable as /dev/video0 in VLC and in
>> Skype, but the
>> check-box in the configuration settings of Tellico is
>> not accessible and
>> always grayed out.
>> I am using Tellico 2.3.3 and 64bit Ubuntu (Ubuntu
>> 3.0.4). The webcam is reported as HP-101.
>> Since the configuration option is grayed out, it means the
>> Ubuntu package was not compiled with support for using a
>> webcam. You'll need to either compile Tellico yourself, or
>> convince the Ubuntu packagers to include support for webcam
>> tellico-users mailing list
>> tellico-users at kde.org
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