With the continued proliferation of smart mobile devices, the Quick Response (QR) code has
become one of the most-used types of two-dimensional code in the world. Aiming at …

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 …

Abstract QR code (Quick Response Code) is a popular two-dimensional matrix that
randomly consists of black and white square modules. While the appearance of QR codes …

Due to the popularity of smartphones, cameras can be seen everywhere. QR codes are
widely used daily, and their application is becoming more and more diverse, such as for …

Quick response (QR) codes are usually scanned in different environments, so they must be
robust to variations in illumination, scale, coverage, and camera angles. Aesthetic QR codes …

QR (Quick Response) Codes are widely used as a convenient unidirectional communication
channel to convey information, such as emails, hyperlinks, or phone numbers, from publicity …

Disclosed are a method and apparatus for embedding a graphic image representation into a
two dimensional matrix code by modifying the characteristic values of individual pixels in the …

A multi-purpose image-based QR code is designed in this paper. There are four purposes
for the generated image-based QR code. In the first purpose, the basic image-based QR …

With the popularization of smart phones, Quick Response (QR) code becomes one of the
most widely used two-dimensional barcodes. Standard QR code consists of black and white …

Quick Response (QR) code is a two dimensional barcode widely used in many applications.
A standard QR code consists of black and white square modules, and it appears …