Colour multiplexing of quick-response (QR) codes

resumo

The storage capacity of a quick-response (QR) code is limited, which can inhibit several applications. A novel approach to multiplex data to improve the QR code capacity based on colour multiplexing is presented. A model was proposed to determine the recognition rate as a function of the multiplexing density and noise. Experimentally, the increase of the storage capacity by a factor of six times per unit area when compared to the normal QR code is demonstrated.

categoria

Engineering

autores

Andre, PS; Ferreira, RAS

nossos autores

agradecimentos

Funding was provided by the Fundacao para a Ciencia e a Tecnologia (FCT), FEDER, COMPETE, under contracts PEst-C/CTM/LA0011/2013 and PEst-OE/EEI/LA0008/2013.

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