Research Article
Medical Image Fusion Algorithm Based on Nonlinear Approximation of Contourlet Transform and Regional Features
Table 2
Indexes of performance evaluation.
| ā | Standard deviation | Correlation coefficients | Entropy | Mutual information |
| 10% significant coefficients | 50.48 | 0.66 | 7.68 | 4.51 | 30% significant coefficients | 56.32 | 0.69 | 7.68 | 4.53 | 50% significant coefficients | 63.16 | 0.70 | 7.70 | 4.54 | 70% significant coefficients | 59.32 | 0.71 | 7.70 | 4.55 | 90% significant coefficients | 57.16 | 0.73 | 7.72 | 4.55 |
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