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Perfect QR cannot be decoded #17

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PSLLSP opened this issue Jan 21, 2024 · 1 comment
Open

Perfect QR cannot be decoded #17

PSLLSP opened this issue Jan 21, 2024 · 1 comment

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@PSLLSP
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PSLLSP commented Jan 21, 2024

I have found a QR code that is not damaged but QRazyBox cannot decode it; error is Couldn't find enough finder patterns (found 2).
I tried zbarimg and barcode can be decoded, no issue:

$ zbarimg --version
0.23

$ zbarimg QR-mp-testX.png 
QR-Code:testX
scanned 1 barcode symbols from 1 images in 0.01 seconds

QR was generated with qrencode -l M -t utf8 -c 'testX', QRazyBox cannot decode it:

QR-mp-testX

Similar QR code, no issue, encoded string is test0 and test5...
QR-mp-test0
QR-mp-test5

@Merricx
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Merricx commented Jan 27, 2024

Similar issue with #16. Need to update/replace jsqrcode library.

Temporary workaround is to reconstruct QR code manually and decode it via Reed-solomon decoder.

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