[Retracted] Enhanced Lorenz-Chaotic Encryption Method for Partial Medical Image Encryption and Data Hiding in Big Data Healthcare

Table 4

Comparison of the proposed ICE with existing chaotic map and other encryption methods over plain-text attack.

Methods	PSNR
Fuzzy [42]	102.7
PSO [47]	106.5
SVD-DWT [50]	109.8
FrDCT [51]	115.1
Hybrid chaotic map [52]	117.3
Proposed ICE method	134.52