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Barcode decoder by using Labview


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Posted

I'm using about the same code for QR and everything is working just fine.

Lately I got rectangle DataMatrix that Zxing should be able to deal with but I have no luck.

Could one of you try to run the attached image in your code and tell me if there is any success?

Thanks in advance.

closer1.bmp

Posted

It is in DataMatrix format and it should say: LOC-909A094-0014   Z650-1.25

I use OpenCV with Zxing.net instead of Vision mainly because each deploy costs about 500$ with Vision while OpenCV is free.

Posted

I thought I replied to your DM but I don't see it in my mailbox now.

From what I can tell, the rectangular bar code in your image is classified as Data Matrix, ECC200, DMRE.

I used Bartender to create an ECC200 type label and could NOT decode it with ZXING or the on-line decoder. ( https://zxing.org/w/decode.jspx )

I WAS able to decode both your image and my Bartender rectangular bar code with a Datalogic GD4400 scanner.

I tried updating my ZXING assembly from the old 14.0 version to the latest I could easily find (16.4) but it still didn't decode.

Posted

I found the solution. It was a resolution issue.

I resized x2 and smoothed/sharpened the image with linear interpolation and it works now.

Thanks!

  • 2 years later...
Posted

I tried zxing .net and came up with a better way so that the image need not be saved. but can anyone help me with setting particular bar code type where and how can i set configuration so that it searches for specified barcode type eg. CODE128 etc.

BarcodeReaderZxing.png

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