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Two-Layer QR Codes
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DOI：10.1109/TIP.2019.2908490.png)
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Abstract
En 中文
A quick-response code (QR code) is a two-dimensional code akin to a barcode that encodes a message of limited length. In this paper, we present a variant of QR code, a two-layer QR code. Its two-layer structure can display two alternative messages when scanned from two different directions. We propose a method to generate such two-layer QR codes encoding two given messages in a few seconds. We also demonstrate the robustness of our method on both synthetic and fabricated examples. All source code will be made publicly available (https:/github.comyuantailingtwo-layer-qrcode).
Keywords:
QR code
two-layer QR code
barcode
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