International Journal of Information Technology and Computer Science (IJITCS)
IJITCS Vol. 6, No. 9, 8 Aug. 2014
Cover page and Table of Contents: PDF (size: 376KB)
A Robust Non-Blind Watermarking Technique for Color Video Based on Combined DWT-DFT Transforms and SVD Technique
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Author(s)
Nandeesh B
1,*
Lohit S Meti
1
Manjunath G K
1
Index Terms
Non-Blind Watermarking, Discrete Wavelet Transform, Discrete Fourier Transform, Singular Value Decomposition
Abstract
The rise of popularity of Digital video in the past decade has been tremendous thereby leading to malicious copying and distribution. So the need for preservation of ownership and in tackling copyright issues has become an imminent issue. Digital Video Watermarking has been in existence as a solution for this. The paper proposes a non-blind watermarking technique based on combined DWT-DFT transforms using singular values of SVD matrix in YCbCr color space. The technique uses Fibonacci series for selection of frames to enhance security and thereby maintaining quality of original video. Watermark encryption is done by scrambling the watermark using Arnold transform. Geometric and non-geometric attacks on watermarked video have been performed to test the robustness of the proposed technique. Quality of watermarked video is measured using PSNR and NC gives the similarity between extracted and the original watermark.
Cite This Paper
Nandeesh B, Lohit S Meti, Manjunath G K, "A Robust Non-Blind Watermarking Technique for Color Video Based on Combined DWT-DFT Transforms and SVD Technique", International Journal of Information Technology and Computer Science(IJITCS), vol.6, no.9, pp.59-65, 2014. DOI:10.5815/ijitcs.2014.09.08
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