In modern years there is no difficulty to make
perfect copies which guide extensive unauthorized copying,
which is an immense concern to the film, music, software and
book publishing industries. Because of this unease over
copyright issues, many technologies are developed to defend
against illegal copying. Use of digital watermarks is one of
these technologies. Watermarking does the embedding an
ownership signal into the data directly. So that, the signal is
always present with the data (image, audio, video). DWTDFT-
SVD techniques are used in the proposed scheme to
improve the robustness and overall computation
requirements. The proposed algorithm is tested using three
video sequences of different format. In this approach
achieved PSNR of the original and watermarked video signal
is more than 60 dB. The proposed scheme shows high
robustness against several attacks.
Supriya Hasarmani : Department of Electronics, BVUCOE
Pune, Maharashtra, India
Mangal Patil : Department of Electronics, BVUCOE
Pune, Maharashtra, India
P. R. Naregalkar : Department of Electronics, BVUCOE
Pune, Maharashtra, India
Digital Video Watermarking
Discrete Wavelet Transform (DWT)
Value Decomposition (SVD)
Proposed Algorithm uses DWT, DFT and SVD for video
Watermarking Process. This is tested for different video
samples. Simulation results of this algorithm shows
robustness against different attacks such as Gaussian
noise, salt & pepper noise, median filter attack, rotation attack and image sharpening attack. We have proved that
proposed method gives improved PSNR [More than 60dB]
without compromising the video quality.
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