ARTcode

Yang, Zhihan; Bao, Yuting; Luo, Chuhao; Zhao, Xingya; Zhu, Siyu; Peng, Chunyi; Liu, Yunxin; Wang, Xinbing

doi:10.1145/2971648.2971733

Cited by 24 publications

(4 citation statements)

References 27 publications

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“…And another category includes the aesthetic 2D barcode schemes [10]- [12], [28], [29] generated independently of existing black-white 2D barcodes. Schemes in this category need not be compatible with existing 2D barcode extractors.…”

Section: A Aesthetic 2d Barcodementioning

confidence: 99%

OAcode: Overall Aesthetic 2D Barcode on Screen

Ma,

Yang,

Fang

et al. 2023

Preprint

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Nowadays, two-dimensional (2D) barcodes have been widely used in various domains. And a series of aesthetic 2D barcode schemes have been proposed to improve the visual quality and readability of 2D barcodes for better integration with marketing materials. Yet we believe that the existing aesthetic 2D barcode schemes are partially aesthetic because they only beautify the data area but retain the position detection patterns with the blackwhite appearance of traditional 2D barcode schemes. Thus, in this paper, we propose the first overall aesthetic 2D barcode scheme, called OAcode, in which the position detection pattern is canceled. Its detection process is based on the pre-designed symmetrical data area of OAcode, whose symmetry could be used as the calibration signal to restore the perspective transformation in the barcode scanning process. Moreover, an enhanced demodulation method is proposed to resist the lens distortion common in the camera-shooting process. The experimental results illustrate that when 5 × 5𝑐𝑚 OAcode is captured with a resolution of 720 × 1280 pixels, at the screen-camera distance of 10𝑐𝑚 and the angle less or equal to 25 • , OAcode has 100% detection rate and 99.5% demodulation accuracy. For 10 × 10𝑐𝑚 OAcode, it could be extracted by consumer-grade mobile phones at a distance of 90𝑐𝑚 with around 90% accuracy.

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Section: A Aesthetic 2d Barcodementioning

confidence: 99%

OAcode: Overall Aesthetic 2D Barcode on Screen

Ma,

Yang,

Fang

et al. 2023

Preprint

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“…Some approaches overlay a small picture (e.g., a thumbnail) on the code or rearrange the blocks therein to resemble a source image, while relying on error correction for successful decoding [27]. Others embed QR codes into color images [6], or modify a source picture by adding custom structures of machine-readable data [11,36]. These works mediate human perception and machine-friendly data study conducted on the former demonstrates that distancedependent barcodes are practical and user-friendly (Section 6).…”

Section: Related Workmentioning

confidence: 99%

Distance-Dependent Barcodes for Context-Aware Mobile Applications

Palomäki

Freire

Francesco

2020

22nd International Conference on Human-Computer Interaction With Mobile Devices and Services

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This article introduces the novel concept of distance-dependent barcodes, which provide users with different data based on their scanning distance. These barcodes employ color blending as the key technique to achieve distance-dependence. A simple yet robust encoding scheme is devised accordingly to distinguish between near and far users. Through several experimental results, the proposed technique is shown to be effective (in terms of clear separation between near and far scanners), reliable (as to successful scans), and practical (it can be used in off-the-shelf smartphones). A few representative use cases are then presented to establish distancedependent barcodes as an enabling technology for context-aware mobile applications. They include casual interactions with public displays, where the role of users is determined based on their distance from a screen, and augmented reality in retail, where distancedependent barcodes provide information on available goods with different granularities. Finally, distance-dependent barcodes are shown to be user-friendly and effective through a user study. CCS CONCEPTS • Human-centered computing → Ubiquitous and mobile computing systems and tools.

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“…Colored QR codes [31]- [33] have been proposed to increase data capacity by using more color channels. Yang et al [34] proposed ARTcode, which look like an image, retaining aesthetic content and decoding feasibility in one visual pattern. However, a common drawback of all such codes is that additional software is needed when decoding.…”

Section: B Qr Code Alternativesmentioning

confidence: 99%

Two-Layer QR Codes

Yuan

Wang

et al. 2019

IEEE Trans. on Image Process.

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A quick-response code (QR code) is a twodimensional code akin to a barcode which 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. 1

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ARTcode

Cited by 24 publications

References 27 publications

OAcode: Overall Aesthetic 2D Barcode on Screen

OAcode: Overall Aesthetic 2D Barcode on Screen

Distance-Dependent Barcodes for Context-Aware Mobile Applications

Two-Layer QR Codes

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