Lohit S Meti

Work place: Ambedkar Institute of Technology, Bengaluru, India

E-mail: mr.meti37@gmail.com

Website:

Research Interests: Computer systems and computational processes, Embedded System, Image Compression, Image Manipulation, Image Processing, Data Structures and Algorithms

Biography

Lohit S Meti: Post-graduate student at Ambedkar Institute of Technology. Major in Digital Communication and Networking.

He has received B.E degree in Electronics & Communication Engineering from Acharya Institute of Technology, Bengaluru in 2013. His research areas include Digital Communication, Signal Processing, Image Processing, VLSI and Embedded Systems.

Author Articles
A Robust Non-Blind Watermarking Technique for Color Video Based on Combined DWT-DFT Transforms and SVD Technique

By Nandeesh B Lohit S Meti Manjunath G K

DOI: https://doi.org/10.5815/ijitcs.2014.09.08, Pub. Date: 8 Aug. 2014

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.

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