Steganography in Halftone Images - Visual Cryptography and Secret Image Sharing - page 362

FIGURE 13.16
Halftone images generated by error diffusion with the Jarvis kernel (Y 1 ).
FIGURE 13.17
DHCED-generated Y 2 (T = 10) of Ramp with respect to X in Figure 13.14,
W in Figure 13.15, and Y 1 in Figure 13.16.