Abstract
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 code with the look of a host image is with an ingenious layout to be identified easier. In the second one, a saliency region detection method is adopted for enhancing the quality of the image-based QR code. In the third one, the host image is embedded into the image-based QR code for further access to the host image; Finally, the visual cryptography-based watermarking method is applied to the host image embedded image-based QR code. In the case that the specific users need verification from the image-based QR code, the binary verified image can be retrieved when the public share is available. The experimental results demonstrate that the generated image-based QR code not only looked better than some previous works but also had high quality host image embedded and identification ability.
Highlights
The The Quick Quick ResponseResponse code code (QR (QR code) code) isis aa two-dimensional two-dimensional barcode barcode designed designed by byDenso, has been defined as as anan open standard, consisting of aofseries of Denso,Japan Japan[1]. [1].QRQRcode code has been defined open standard, consisting a series black andand white matrix squares, called modules, placed in a specific order. order.The basic of black white matrix squares, called modules, placed in a specific
To present the proposed method more plainly, the generated process is divided into several stages: the binary lighting matrix generating stage, the QR code embedding stage, and the host image embedding stage
Cryptography-based watermarking technique is adopted for embedding a secret image into the image-based QR code in order to append extra ability to the image-based QR code
Summary
Response code code (QR (QR code) code) isis aa two-dimensional two-dimensional barcode barcode designed designed by by. Some researchers have started the auto-generation algorithms meaningless, design of friendly codesworking added ononextra value, has recently become of image-based codes. 2a–d shows an example of the host-image embedded image-based QR code. Theproblem problemofofthis thisproposed proposedmethod methodisistotodesign designaamulti-purpose multi-purposeimage-based image-basedQR code a better look than other works and and withwith extraextra abilities. The domain of this probcodewith with a better look than other works abilities. Theimage encoding is shown generated ated image-based QR code. Inthe thedemonstrated restof ofthis this paper: paper: Section3.22Finally, describes the proposed are method
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