I run the (sample) barcode.exe in OpenCV 4.90 32bit, Windows 11, for the image attached, there is no detection result.
afaik, it can only read variants of ean/upc code, – and this is something else.
cognex says that is “code 128”.
I haven’t found the docs mention what’s supported.
you could file an issue on opencv’s github and request improvement to the documentation
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