QR codes are dead, an internet marketing strategist wrote in AdAge in 2013. The murderer: "easier-to-use apps." And yet, four years later, that isn't the case.

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We proposed a concurrent transmitting-based 128 channels LiDAR using an bipolar optical code scheme called code-inversion keying based prime-permuted code, which is the most suitable method to shorten ...

It's a win-win, and it's why everything on iStock is only available royalty-free — including all 2D Animation images and footage. What kinds of royalty-free files are available on iStock? Royalty-free ...

Inventory distortion costs the retail industry an estimated $1.7 trillion annually, and a significant share of that loss stems from poor on-shelf availability. For grocery retailers, where margins are ...

Two-dimensional (2D) wavelength-time coding schemes have recently been studied for optical code-division multiple access. In this paper, we propose a new family of 2D codes, which use "synchronized" ...