Separable Reversible Data Hiding in Encrypted Images Based on Two-Dimensional Histogram Modification

Figure 11

The corresponding encrypted images.

(a) Lena (9.53 dB)

(b) Aerial (8.17 dB)

(c) Barbara (7.87 dB)

(d) Boats (9.11 dB)

(e) Truck (9.95 dB)

(f) Zelda (8.90 dB)

(g) Lighthouse (8.82 dB)

(h) Tank (10.17 dB)