Research Article

Efficient Encryption System for Numerical Image Safe Transmission

Table 5

Comparative study of the correlation coefficient for the Lena image.

WorkHorizontalVerticalDiagonal

[3]−0.0004−0.00180.0001
[13]0.02650.07920.0625
[22]−0.00010.00890.0091
[23]0.05910.05080.0480
[24]−0.0294−0.0014−0.0180
[25]−0.00470.00150.0030
[26]−0.02260.00410.0368
Proposed system0.0002−0.0133−0.0791