Table 22 IE of different RGB images.

From: A novel color images security-based on SPN over the residue classes of quaternion integers \(\:\varvec{H}{\left(\mathbb{Z}\right)}_{\varvec{\pi\:}}\)

Images

Red

Green

Blue

Encrypted

Female

7.9972

7.9969

7.9970

7.9970

Pepper

7.9969

7.9975

7.9973

7.9972

House

7.9972

7.9975

7.9975

7.9974

Sailboat on Lake

7.9975

7.9971

7.9968

7.9971

[17]

7.9974

7.9962

7.9972

7.9969

[18]

7.9913

7.9914

7.9916

7.9916

[23]

7.9896

7.9893

7.9907

7.9899

[24]

7.9899

7.9873

7.987

7.9897

[32]

7.9916

7.9922

7.9928

7.9943

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