Research Article

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

Figure 16

Test of the key decryption sensitivity: (a) original image of 3D ultrasound image, (b) cipher image by the right key, (c) decryption by 1 bit key change, and (d) decryption with the right key.
(a)
(b)
(c)
(d)