Research Article

2D+t Wavelet Domain Video Watermarking

Figure 5

Percentage of energy (of a GOP) in each temporally decomposed frame. Energy calculation considers the energy of the coefficients at for first two GOP each with 8 temporal low and high frequency frames of Foreman sequence. (a) GOP1 and (b) GOP2.
973418.fig.005a
(a)
973418.fig.005b
(b)