A New Data Model for the Privacy Protection of Medical Images

Figure 5

The experimental result for the proposed EF-EVCS: (a), (c), and (f) are the original secret (lena), cover 1 (peppers), and cover 2 (butterfly) images; (b), (d), and (g) are corresponding limited-halftoned images; (e) and (h) are encrypted images for sharing; (i) is the recovery image by stacking (e) and (h).