Recently [mit41301] wondered about increasing the data capacity of QR codes, and was able to successfully triple the number of bits using color. He chose the new rectangular micro QR code (rMQR) ...
The Chinese Government is using color-coded QR codes to track citizens amid the Coronavirus outbreak
As the Coronavirus outbreak rages on, the Chinese government is implementing a system of colored QR codes in hopes of containing the spread of the illness, Reuters has reported. On Wednesday, The ...
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