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QR code safety! Pan et al. presented their work "mQRCode: Secure QR Code Using Nonlinearity of Spatial Frequency in Light" https://t.co/TSYI1EJVGk
QR code safety! Pan et al. presented their work "mQRCode: Secure QR Code Using Nonlinearity of Spatial Frequency in Light" https://t.co/TSYI1EJVGk