An Efficient DCT - SVD based Algorithm for Digital Image Watermarking

被引：0
|
作者：
Varghese, Justin [1 ]
Subash, Saudia [2 ]
Bin Hussain, Omer [1 ]
Saadi, Mohamed Ramadan [3 ]
Babu, Bijoy [1 ]
Khan, Mohamed Samiulla [1 ]
Basheer, Jamshid M. [1 ]
机构：
[1] King Khalid Univ, Coll Comp Sci, Abha, Saudi Arabia
[2] Manonmaniam Sundaranar Univ, Ctr Informat Technol & Engn, Thirunelveli, India
[3] South Valley Univ, Coll Sci, Qena, Egypt
来源：
2014 INTERNATIONAL CARNAHAN CONFERENCE ON SECURITY TECHNOLOGY (ICCST) | 2014年
关键词：
Watermarking; Singular Value Decomposition; Carrier image; Copyright Protection;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The paper proposes an image adaptive Singular Value Decomposition based Watermarking scheme. The proposed algorithm incorporates standard deviation method to identify high / low frequency blocks of the carrier image to decide where the blocks of the watermark image are to be embedded so that perception quality is not affected. The extraction algorithm is straight forward and it uses block mapping to identify the blocks of carrier image where the watermarks are attached. Experimental results show that the proposed algorithm is capable of producing good quality watermarked images in terms of objective and subjective matrices with less distortion even in case of potential attacks.
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收藏
页数：6
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