A robust image watermarking based on time-frequency

被引：0
|
作者：
Oeztuerk, Mahmut [1 ]
Akan, Aydin [1 ]
Cekic, Yalcin [2 ]
机构：
[1] Istanbul Univ, Dept Elect & Elect Engn, TR-34320 Istanbul, Turkey
[2] Univ Bahcesehir, Dept Elect & Elect Engn, TR-34349 Istanbul, Turkey
来源：
2007 IEEE 15TH SIGNAL PROCESSING AND COMMUNICATIONS APPLICATIONS, VOLS 1-3 | 2007年
关键词：
D O I：
暂无
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
Watermarking techniques are proposed as a solution to copyright protection of digital media files. In this work, a new and robust watermarking method that is based on time-frequency (TF) representations is presented. We use the discrete evolutionary transform to represent an image in the TF domain. A watermark is embedded onto selected cells in the joint TF domain. Hence by combining the advantages of spatial and spectral domain watermarking methods, a robust and perceptual watermarking algorithm is presented.
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收藏
页码：362 / +
页数：2
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