Table 11 Correlation metrics for ciphered images using the proposed scheme.

From: Cellular automata based key distribution for lightweight hybrid image encryption with elliptic curve cryptography

Direction

Original Image

Encrypted Image

Baboon

Clock

Female

House

Baboon

Clock

Female

House

Horizontal

0.8246

0.8245

0.9626

0.9645

0.0050

0.0019

0.0014

\(-\)0.0002

Vertical

0.7649

0.7650

0.9681

0.9591

\(-\)0.0002

\(-\)0.0014

\(-\)0.0035

0.0005

Diagonal

0.7591

0.7593

0.9409

0.9309

\(-\)0.0005

0.0035

0.0043

0.0006

Back to article page