A Simple Image Encryption Based on Binary Image Affine Transformation and Zigzag Process

Table 13

Comparison of results on medical images.

Images	References	Vert. cor	Hor. cor	Diag. cor	Entropy	NPCR	UACI
CT-MONO2-8-abdo	[32]	−0.0056	0.0132	−0.0006	7.9856 < e < 7.9992	99.6077	33.4501
	Proposed scheme	−2.57e−03	−3.56e−03	−2.56e−04	7.9992	99.617	33.4636
OT-MONO2-8-colon	[32]	−0.0003	0.0012	−0.0087	7.9856 < e < 7.9992	99.6082	33.462
	Proposed scheme	−2.33e−03	5.95e−04	−4.25e−04	7.9993	99.6124	33.498