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. 2014 Sep 30;28(2):179–187. doi: 10.1007/s10278-014-9734-8

Table 4.

Comparing encryption quality in terms of entropy, PSNR, correlation, and time

Algorithm Entropy (bits/pixels) PSNR (dB) Normalized correlation Encryption time (s) Decryption
Proposed algorithm 7.9101 11.2941 0.0047 755.9 839.0
Kobayashi [18] 7.4764 11.4760 0.0242 876.2 904.2