# \#barcode

**URL:** https://forum.opencv.org/tag/barcode/408.md

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## [Barcode recognition doesn't provide satisfying results, DNN seems not to work](https://forum.opencv.org/t/barcode-recognition-doesnt-provide-satisfying-results-dnn-seems-not-to-work/23981)

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**Author:** [@julian](https://forum.opencv.org/u/julian)\
**Replies:** 0\
**Last updated:** [September 10, 2025, 3:16pm UTC](https://forum.opencv.org/t/barcode-recognition-doesnt-provide-satisfying-results-dnn-seems-not-to-work/23981 "2025-09-10T15:16:46Z")

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I tested the class for Barcode detection and decoding and whereas the detection of my EAN-13 barcodes worked well, the algorithm failed to decode some of them consecutively. In some cases the corner points are in the wr…

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## [Barcode can not detect barcode in an image](https://forum.opencv.org/t/barcode-can-not-detect-barcode-in-an-image/19118)

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**Author:** [@Ronald\_Pan](https://forum.opencv.org/u/Ronald_Pan)\
**Replies:** 2\
**Last updated:** [October 26, 2024, 8:29am UTC](https://forum.opencv.org/t/barcode-can-not-detect-barcode-in-an-image/19118 "2024-10-26T08:29:08Z")

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I run the (sample) barcode.exe in OpenCV 4.90 32bit, Windows 11, for the image attached, there is no detection result.

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## [Please Help for Barcode Decoding](https://forum.opencv.org/t/please-help-for-barcode-decoding/18577)

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**Author:** [@msp](https://forum.opencv.org/u/msp)\
**Replies:** 4\
**Last updated:** [August 26, 2024, 9:30pm UTC](https://forum.opencv.org/t/please-help-for-barcode-decoding/18577 "2024-08-26T21:30:45Z")

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Hello, I am trying to learn how to use the OpenCV Barcode detection functions using the Python wrappers. I read through the OpenCV documentation and went through some examples on blogs online. Those examples worked well…