Research Article

Histogram Modification and Wavelet Transform for High Performance Watermarking

Figure 12

Watermarked Board image obtained by our scheme ((a) 4888 bits hidden, 55.11 dB) and Zhao et al.’s scheme ((b) 3589 bits hidden, 50.92 dB) with .
164869.fig.0012a
(a)
164869.fig.0012b
(b)