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In this paper, a blind video watermarking algorithm based on 3D wavelet transform and Human Visual System (HVS) model is proposed. The proposed method is based on extracting temporal characteristics of video signal and using it to adjust spatial features of each frame. These frames are designed based on HVS model embed the message. Then the message will be extracted from video watermarked through...
In this paper, a general delay locked loop based frequency multiplier is presented. No LC-tank and ring oscillator are used in the proposed design such that the power dissipation and chip area are drastically reduced. Moreover this multiplier does not require external component and it is primarily intended for ASIC design. All the simulation results are based upon UMC 0.13μm CMOS process at 1.2 V...
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