Abstract

Digital watermarking is a technique of data hiding, which provide security of data. This paper presents a comparative analysis of robust video watermarking technique based on HVS (Human Visual system) quantization matrix. The host video is partitioned into frames and owner’s identity watermark is embedded in quantized transform coefficients. Scrambled watermark are generated and embedded in each motionless scene of the host video. Experimental results show no perceptual difference between watermarked frame and original frame and it is robustness against a wide range attacks. PSNR (Peak Signal to Noise Ratio), NCC (Normalized Cross Correlation) are computed and compared with other recent video watermarking schemes. The proposed scheme offers high imperceptible and robust results in terms PSNR and NCC.

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