Table 3.

Comparison for JPEG compression attacks (BER).

Scheme	Quality factor
	100%	90%	80%	70%
Kim et al. [27]	0.0732 (Spatial)	0.1953 (Spatial)	4.6143 (Spatial)	12.0850 (Spatial)
Proposed scheme
CT	0.0001	0.0001	0.0006	0.0005
Mammogram	0.0185	0.0182	0.0253	0.0209
MRA	0.0002	0.0002	0.0002	0.0006
Nuclear	0.0001	0.0001	0.0001	0.0002
PET	0.0004	0.0005	0.0009	0.0010
Ultrasound	0.0001	0.0001	0.0001	0.0001
X-ray	0.0022	0.0018	0.0034	0.0042