Table 15 Encryption time of augmented images for \(K=4\), at varying dimensions of \(M\times M\).

From: A new multiple image encryption algorithm using hyperchaotic systems, SVD, and modified RC5

Augmented image dimensions

Time [s]

\(64 \times 64\)

0.0174975

\(128 \times 128\)

0.0736345

\(256 \times 256\)

0.230717

\(512\times 512\)

0.960692

\(1024\times 1024\)

3.79707