Research on Improved Character Encoding Methods Based on QR Code

KANG Bohan; JIA Jingdun; GAO Wanlin; ZHANG Ning

doi:10.1049/cje.2019.07.005

Volume 28 Issue 6

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KANG Bohan, JIA Jingdun, GAO Wanlin, et al., “Research on Improved Character Encoding Methods Based on QR Code,” Chinese Journal of Electronics, vol. 28, no. 6, pp. 1170-1176, 2019, doi: 10.1049/cje.2019.07.005

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KANG Bohan, JIA Jingdun, GAO Wanlin, et al., “Research on Improved Character Encoding Methods Based on QR Code,” Chinese Journal of Electronics, vol. 28, no. 6, pp. 1170-1176, 2019, doi: 10.1049/cje.2019.07.005

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Research on Improved Character Encoding Methods Based on QR Code

doi: 10.1049/cje.2019.07.005

1.
School of Information, Central University of Finance and Economics, Beijing 100081, China;
2.
National Rural Technology Development Center, Ministry of Science and Technology, Beijing 100862, China;
3.
College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China

Funds: This work is supported by the National Key Research and Development Program of China (No.2017YFB1400701).

Received Date: 2018-09-09
Rev Recd Date: 2019-02-14
Publish Date: 2019-11-10

Abstract

Abstract

With the popularity of mobile terminals, Quick response (QR) code, which acts as a convenient and quick way to transfer graphic information, has been widely used in various fields. QR code is a 2D matrix code which contains information in both vertical and horizontal directions. In order to promote the characters encoding efficiency, we propose the improved character encoding methods based on QR code. Specifically, we divide the types of encoding data into Chinese characters and nonChinese characters, and thus optimizing their encoding methods separately:we apply the branch-bound algorithm to optimize the encoding pattern selection of QR code; as for Chinese characters, based on the Chinese characters use frequency generated by Url crawler system, we design a new encoding method for Chinese characters. Our approach has been shown to afford better experimental test results compared with traditional encoding methods of QR code.
- QR code,
- QR code encoding methods,
- Branch-bound algorithm,
- Chinese characters use frequency

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References(19)

References

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