I tried to recognize your barcodes with our latest release. The barcode in the first image is recognized properly, the barcode in the second image was not found. I sent the images to our development team for further analysis.
Please send more of your unrecognized images by creating a ticket on https://support.orpalis.com/
Having more of such images will help us understand and fix the problem(s) with the PDF417 barcodes.
We have identified why the PDF417 barcode in your second image was not read by our engine: it have some unexpected glued bars.
We have improved our reader to handle better such cases. The next minor release will read properly all the PDF417 barcodes you sent us.
We cannot be sure if this is the single problem with your scanned images. Again, in order to understand and fix the issues it would help that you send us more such images, through our support platform: https://support.orpalis.com/index.php?/Tickets/Submit
Your images will be treated as confidential and they will be used for tests against any future release.
Thank you for cooperation on this.
I will let you know when the next minor release will be available for download.
I just downloaded the actual version and we will test it.
We have built-in a fallback, that informs us, if there is a PDF417 BC that is read by our old component but not with GDPicture.
We do frequent improvements as our changelog states. If you encounter a specific issue with a specific barcode just create a new thread to our helpdesk by providing it and you will obtain a feedback.
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