The QR code below can not be detected. about quirc HOT 6 OPEN

Could you help me solve this problem?

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I used the inspect code to check what is wrong with that QRcode, and I got the result below. But I do not what's that means. Could anyone here help me analyze this?

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Or you can try this one. It is better than before, but still can not be detected. I also tried other algorithms, they can do it. Could you help me analyze the reason behind this?
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888

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Quirc's detection algorithm is fairly simple. It will handle odd angles and perspective transforms better than most other libraries, but it's less good at dealing with poor image quality and distortion. If you're able to, you may get better results with a pre-binarized image, or by applying some other clean-up filters prior to running quirc over the image.

from quirc.

Quirc's detection algorithm is fairly simple. It will handle odd angles and perspective transforms better than most other libraries, but it's less good at dealing with poor image quality and distortion. If you're able to, you may get better results with a pre-binarized image, or by applying some other clean-up filters prior to running quirc over the image.

Thanks, beer. I will try the methods you provide.

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