Table 4 Entropy analysis of different images with\(\text {average} \,\pm \, \text {standard deviation}\) for 10 independent runs.
From: 2D-Cosine power sine coupled map with fractal-Fibonacci fusion for hyperchaotic image encryption
Image name | Size | GIE | LIE | ||
|---|---|---|---|---|---|
O | E | O | E | ||
Chemical plant | 256\(\times\)256 | 7.3424 | 7.9972±0.0002 | 6.7985 | 7.9029±0.0018 |
Brain tumour | 256\(\times\)256 | 6.0437 | 7.9972±0.0003 | 5.8458 | 7.9029±0.0022 |
Berry | 256\(\times\)256 | 7.5220 | 7.9972±0.0001 | 6.0668 | 7.9024±0.0021 |
Golden gate | 512\(\times\)512 | 5.8848 | 7.9993±0.0001 | 4.6133 | 7.9020±0.0006 |
Couple | 512\(\times\)512 | 7.2010 | 7.9992±0.0001 | 6.0094 | 7.9022±0.0005 |
Boat | 512\(\times\)512 | 7.1913 | 7.9992±0.0001 | 6.1026 | 7.9027±0.0011 |
Baboon | 512\(\times\)512 | 7.3583 | 7.9994±0.0001 | 6.6610 | 7.9025±0.0006 |
Chest CT scan | 512\(\times\)512 | 6.1347 | 7.9993±0.0001 | 5.4756 | 7.9030±0.0009 |
Pentagon | 1024\(\times\)1024 | 6.7326 | 7.9998±0.0001 | 6.0869 | 7.9023±0.0006 |
Male | 1024\(\times\)1024 | 7.5237 | 7.9998±0.0001 | 5.9708 | 7.9027±0.0002 |
