Haar-Wavelet-Based Just Noticeable Distortion Model for Transparent Watermark
Figure 12
(a) The original images, namely, Lena, Cameraman, Baboon, Board, and Peppers; (b), (c), and (d) the noisy images obtained by adding the full-band JND values, the DWT-based JND values, and the modified DWT-based JND values, respectively.
