David Hockenbroch · Aug 5, 2022

Reading Barcodes from Images/PDFs

Has anyone had any success reading barcodes from PDFs or images in a Cache/IRIS application? I've been looking at some possible solutions for this, including the open source ZXing libraries. I know we have the ability to create them in Zen and Intersystems Reports, but as far as I know, there's nothing built in to actually read data from a barcode. If anyone has suggestions on how to go about this, I'd love to hear them.

In our specific case, we print reports with a Code 128 barcode on them. We're an ERP solution, so it might be things like a proof-of-delivery or a price quote that needs to be signed off on, or a form that needs filled out. Once it's signed, we want to be able to scan the document read the barcode and upload it in a way that's associated with the order number that's encoded in that barcode.

For the past 20 years or so, we've had a Windows-based application to do this, but now we're looking at moving this functionality to run on our Red Hat server instead.

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If using something paid is okay, I'd recommend using Abby Recognition Server. We've been using it in our processes, with scanners, so, we get documents with barcodes automatically in our Docflow system. Or you can at least look for solutions similar to it.