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Research on Improved Character Encoding Methods Based on QR Code
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NETL
NSTL
万方数据
维普
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 non-Chinese 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 codeQR code encoding methodsBranch-bound algorithmChinese characters use frequency
KANG Bohan、JIA Jingdun、GAO Wanlin、ZHANG Ning
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School of Information, Central University of Finance and Economics, Beijing 100081, China
National Rural Technology Development Center, Ministry of Science and Technology, Beijing 100862, China
College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China
This work is supported by the National Key Research and Development Program of China
NETL
NSTL
万方数据
维普
