Quick Response (QR) codes have become an important component to enable various
technical solutions and are being used by millions of people around the world every day …

Out-of-focus blurring of the QR code is very common in mobile Internet systems, which often
causes failure of authentication as a result of a misreading of the information hence …

Motion blur can easily affect the quality of images. For example, Quick Response (QR) code
is hard to be identified with severe motion blur caused by camera shaking or object moving …

Barcode encoding schemes impose symbolic constraints which fix certain segments of the
image. We present, implement, and assess a method for blind deblurring and denoising …

QR codes are machine-readable optical 2D matrix barcodes which can be easily displayed
physically on printed media or digitally on a screen. In recent years, artists and researchers …

QR codes are essentially 2D matrix images that can be easily displayed physically on
printed media or digitally on a screen. Their popularity is due to their fast readability and …

Efficiently transferring information, which is of major importance for almost all engineering
systems, requires a data representative appropriate to maintain the density and consistency …

QR codes are widely used in the traceability of commodities, but the QR codes are easy to
become blurred during the acquisition process of mobile phones, which affects their normal …

Quick response (QR) code, one of the two‐dimensional barcodes, is now being widely used
in all fields. The effectiveness of decoding, however, needs to be improved in real‐time …

In practical usage, QR codes often become difficult to recognize due to damage. Traditional
restoration methods exhibit a limited effectiveness for severely damaged or densely …