A New Image Watermarking Algorithm by Using Contourlet Transform Accompanied by PSO Algorithm

被引：0
|
作者：
Jalali, Khosro [1 ]
Vahidi, Javad [2 ,3 ]
Mohseni, Saleh [1 ]
Dehbovid, Hadi [1 ]
机构：
[1] Islamic Azad Univ, Nour Branch, Dept Elect Engn, Nour, Iran
[2] Iran Univ Sci & Technol, Dept Math, Tehran 1684613114, Iran
[3] Univ South Africa, Dept Math Sci, UNISA0003, Pretoria, South Africa
来源：
INTERNATIONAL JOURNAL OF NONLINEAR ANALYSIS AND APPLICATIONS | 2021年 / 12卷
关键词：
Watermarking; Contourlet Transform; PSO Algorithm; DWT-SVD; SCHEME; DCT;
D O I：
10.22075/ijnaa.2021.5356
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
One of the ways to enhance the security and concealment of data used today is image watermarking. In image watermarking operation, we try to hide image inside another image without letting others know about the hidden image. In this paper, Contourlet Transform and SVD Transform are used to embedded watermark in the host image. The PSO Optimization Algorithm is also used in the watermark extraction step to find the best scale factor. The results of the proposed algorithm in this article show an improvement over the comparative methods.
引用
收藏
页码：563 / 570
页数：8
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