Research Article

Achieving Lightweight Privacy-Preserving Image Sharing and Illegal Distributor Detection in Social IoT

Figure 6

Visual performances of the embedded image “Lena” under LSBs replacement attacks, JPEG attack, and white noise attacks: (a) deleting 3 LSBs; (b) deleting 4 LSBs; (c) deleting 5 LSBs; (d) JPEG attack; (e) white noise attack under  = 0.02; (f) white noise attack under  = 0.1; (g) white noise attack under  = 0.2; (h) white noise attack under  = 0.5.
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)