Table 5 Comparative study of the global entropy for encrypted RGB images.
From: FPGA based implementation of a perturbed Chen oscillator for secure embedded cryptosystems
References | Embedded device | Chaotic system | Image size | Average entropy |
|---|---|---|---|---|
FPGA | Spherical system | 320 × 240 | 7.9936 | |
FPGA | Hyperjerk | 512 × 512 | 7.999395 | |
Microcontroller | Jerk system | 512 × 512 | 7.9994 | |
Microcontroller | MHCM | 512 × 512 | 7.99937 | |
Raspberry | Chen | 1024 × 1024 | 7.99936 | |
FPGA | Neural network | 512 × 512 | 7.9993 | |
FPGA | HNNO | 256 × 256 | 7.9992 | |
This work | FPGA | PCO | 512X512 | 7.99923 |