Imperceptible digital watermarking scheme combining 4-level discrete wavelet transform with singular value decomposition

2020 ◽  
Vol 79 (31-32) ◽  
pp. 22727-22747
Author(s):  
Jun-Yun Wu ◽  
Wei-Liang Huang ◽  
Wei-Ming Xia-Hou ◽  
Wei-Ping Zou ◽  
Li-Hua Gong
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