A Reversible Steganography Scheme of Secret Image Sharing Based on Cellular Automata and Least Significant Bits Construction

Figure 6

Comparison of enlarged partial areas of the cover images and the corresponding stego images.

(a) Boat (original)

(b) A stego image from (a), PSNR = 51.135 dB

(c) Splash (original)

(d) A stego image from (c), PSNR = 51.152 dB