Exposing Image Forgery by Detecting Consistency of Shadow

Table 3

Detection results on image in Figure 10.

Sampled region one (similarity between texture features)	Sampled region two (similarity between texture features)	Similarity of strength of light source between sampled shadow regions one and two
R1 (0.99769)	R2 (0.91228)	0.99981
R1 (0.99769)	R3 (0.94606)	0.99033
R2 (0.91228)	R3 (0.94606)	0.9919