Method of Imbedding and Extracting Watermark for Two-Dimensional Code Images
LI Guohe1，2, CHEN Chen1，2, WU Weijiang1，2, ZHENG Yifeng1，2, HONG Yunfeng3, ZHOU Xiaoming3
Computer Engineering and Applications . 2019, (10): 103 -107 .  DOI: 10.3778/j.issn.1002-8331.1802-0160

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