1-D barcode scanner(using images from a capturing device) implementation in java

I am a student and as a project i have to implement a barcode(1-D) based attendance marking system.While surfing across the web i came to know tha开发者_C百科t barcode readers are a bit costly toys to purchase,so now what I want to do is I want to capture images of barcodes through a capturing device(mostly a webcam) and then process them to get the content stored in it.

I found a few projects on the internet that do the same but they use .NET f/w and I am not so familiar with .NET technology. The only project that uses java is http://sourceforge.net/projects/javabarcoderead/ but somehow i am not able to run the jar file they are providing.

SO, I would like to know about the algorithms or methods that can be used for the same or even any project from where i can get some insight on how to move further with this...

Happy Coding...

You're right, it would be very difficult to use a library with no documentation and no source code.

I'd suggest using ZXing. It's a well-documented library with lots of examples.