FPGA Implementation of Improved Security Approach for Medical Image Encryption and Decryption

Table 3

NC results of encrypted images.

Image	NC
	Red	Green	Blue
Lena	−0.00321	−0.00238	0.00065
Peppers	−0.00243	−0.00018	−0.00079
Baboon	0.00274	−0.001912	−0.01348
Ultrasound	0.00065	−0.00042	−0.00036
Scanner ackle	−0.0049	0.0035	−0.00276
Endoscopy	−0.00047	0.00024	−0.00046
MRI	−0.00082