Research Article

A New Multistage Encryption Scheme Using Linear Feedback Register and Chaos-Based Quantum Map

Table 4

Correlation coefficient measures for enciphered images.

ImageOrientationEncrypted
RGB

BaboonDiagonal−0.0001−0.00090.0007
Vertical0.00020.00100.0010
Horizontal−0.0003−0.00110.0001

PeppersDiagonal0.00430.0001−0.0005
Vertical0.0013−0.0003−0.0004
Horizontal−0.00050.00020.0090

HouseDiagonal0.0014−0.00150.0012
Vertical−0.00430.0014−0.0054
Horizontal0.0015−0.00020.0003

BrainDiagonal0.00320.0003−0.0020
Vertical0.0011−0.0002−0.0010
Horizontal−0.0021−0.00020.0003

X-rayDiagonal0.00040.0030−0.0011
Vertical−0.0012−0.00110.0040
Horizontal−0.00070.0012−0.0056

LenaDiagonal0.0001−0.00210.0003
Vertical−0.00010.0031−0.0019
Horizontal−0.0031−0.00110.0003