A Hybrid Chaotic and Number Theoretic Approach for Securing DICOM Images

Table 2

Correlation coefficient of original and encrypted image samples.

Image sample	Horizontal		Vertical		Diagonal
	Original image	Encrypted image	Original image	Encrypted image	Original image	Encrypted image
D_1	0.9131	0.0075	0.8713	0.0142	−0.0057	0.0061
D_2	0.9872	−0.0032	0.9859	0.0016	0.9768	−0.0029
D_3	0.9868	0.0014	0.9892	−0.0009	0.9800	0.0065
D_4	0.9777	0.0081	0.9835	−0.0039	0.9707	0.0030
D_5	0.9231	0.0027	0.9436	0.0007	0.8995	−0.0040
D_6	0.9524	0.0019	0.8463	−0.0014	0.8295	−0.0027