We present a two-level QR code system that enables the encoding of two distinct messages, discernible through standard QR code readers with and without a colored cellophane mask. To fully read the QR ...

Abstract: Compared with the traditional QR code, the color QR code has the outstanding advantages of large information capacity, ease of implementation, multi-code integration, etc. Therefore, it has ...

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In this post, we will talk about some free QR Code generator software for Windows 11/10 PC. A QR Code (Quick Response) is very helpful to store and share some short information like text, links, email ...

With the rapid and continuous development of online marking, the traditional marking like character, digits, barcode can not satisfy some special requirement by different customer. The normal marking ...