An Improved Secure Image Encryption Algorithm Based on Rubik's Cube Principle and Digital Chaotic Cipher

Table 1

Correlation coefficients of adjacent pairs of pixels.

Image	Adjacent pixels orientation
	Vertical	Horizontal	Diagonal
Original	0.9696	0.9820	0.9577
Shuffled	0.0019	0.0090	0.0104
Encrypted	0.0002	0.0006	0.0043