
How to Verify 2D Codes | Cognex
With a higher amount of variable data, 2-D codes are more challenging to verify and exhibit higher failure rates. Typically, 2-D codes are verified against GS1 or ISO standards such as ISO …
The Most Common Causes of Unreadable Barcodes
Jul 15, 2015 · For these reasons, using 2D symbols instead of 1D barcodes and, subsequently, 2D barcode imagers in barcode reading may decrease the possibility of unreadable codes due …
FAQ: Troubleshooting Problems Reading Codes | Barcode / 2D code ...
This page contains questions related to the causes and solutions when a barcode reader has trouble reading a barcode or 2D code. The “Barcode Information & Tips” site offers information …
Using the Verification Report to Improve 2D Barcode Quality
Oct 3, 2019 · There are two compliance factors: A perfectly printed symbol but with data format errors will fail. Likewise a poorly printed symbol but with perfectly parsed data will fail. What …
DataMan® 475 Verifier Reference Manual - ISO/IEC 15415 …
ISO/IEC 15415 Grading Parameters The 2D barcode grading process begins with a pass/fail test. If the software can decode the code, the code passes the first test. If the software cannot …
The Most Common Causes of Unreadable Barcodes - Automate
Apr 15, 2015 · Understanding the root cause of unreadable barcodes and using technology appropriately to prepare for or resolve these issues is simple to do and it can mean the …
Why Did My Code Fail the Decode Parameter Quality? | Cognex
Oct 6, 2023 · Unlike other barcode verifiers on the market, Cognex barcode verifiers provide quality parameter grading even if a data matrix or QR code fails for the decode quality …
2D Barcode Not Scanning—Why? - Barcode Test
Apr 30, 2024 · In the case of a 2D symbol such as a Data Matrix code or a QR Code, most often the problem is one of two possibilities. The first is called Fixed Pattern Damage in the ISO …
2D BARCODE NOT SCANNING—WHY? - LinkedIn
Aug 27, 2024 · In the case of a 2D symbol such as a Data Matrix code or a QR Code, most often the problem is one of two possibilities. The first is called Fixed Pattern Damage in the ISO …
ISO 15415 2D Code Grading Process - Blog - Cognex
Nov 11, 2020 · If a code cannot be decoded, the verifier will show an “F” grade and state “NO DECODE.” This is different from how a failing code that has been decoded would be …