图51图a12345678是被加密的医疗图像图b12345678是被加密后的密文图c12345678是解密后的解密图像翻译为英文
Figure 5.1 Figures a1,2,3,4,5,6,7,8 are medical images that have been encrypted. Figures b1,2,3,4,5,6,7,8 are the resulting ciphertext. Figures c1,2,3,4,5,6,7,8 are the decrypted images.