Combined DCT – CS Theory based Digital Watermarking Technique for Color Images
Rohit M Thanki and Komal R Borisagar. Article: Combined DCT – CS Theory based Digital Watermarking Technique for Color Images. IJCA Proceedings on National Conference on Emerging Trends in Information and Communication Technology 2013 NCETICT:17-23, March 2014. Full text available. BibTeX
@article{key:article,
author = {Rohit M. Thanki and Komal R. Borisagar},
title = {Article: Combined DCT – CS Theory based Digital Watermarking Technique for Color Images},
journal = {IJCA Proceedings on National Conference on Emerging Trends in Information and Communication Technology 2013},
year = {2014},
volume = {NCETICT},
pages = {17-23},
month = {March},
note = {Full text available}
}
Abstract
In this paper, a digital watermarking technique using new signal processing theory called compressive sensing have been implement and analysis for different embedding monochromic watermark images into color cover images. In order to implement of technique, first convert watermark image into its sparse domain and then convert into linear measurement vector using basis matrix and measurement matrix. Then embed this linear measurement vector into color cover image using mid band coefficient based DCT watermarking technique. This paper is also give comparison of this technique for different mid band coefficient with traditional approach of DCT based watermarking technique. Watermarked image have been verified on the parameters of PSNR, BER, SSIM and Payload Capacity. This technique is providing more Payload Capacity compare to traditional approach of DCT based watermarking technique.
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