Research Article
A Novel Image Fusion Method Based on FRFT-NSCT
Table 1
Evaluation criteria of NSCT-based fusion method and FRFT-NSCT-based fusion method.
| | Image | Fusion method | Fusion rules | Entropy | Average gradient | Fusion time (s) |
| | Multifocus images | NSCT | 1# | 7.2875 | 2.8112 | 200.274324 | | FRFR-NSCT | 1# | 7.4792 | 2.9483 | 431.291303 | | NSCT | 2# | 7.3651 | 4.0919 | 201.992649 | | FRFR-NSCT | 2# | 7.5294 | 4.1447 | 435.006276 | | NSCT | 3# | 7.3654 | 4.1382 | 201.088658 | | FRFR-NSCT | 3# | 7.5316 | 4.1912 | 424.331975 | | Visible light & infrared images | NSCT | 1# | 6.4158 | 2.0073 | 202.955161 | | FRFR-NSCT | 1# | 6.4222 | 2.5573 | 413.585567 | | NSCT | 2# | 6.4608 | 2.7797 | 200.966261 | | FRFR-NSCT | 2# | 6.8802 | 3.3953 | 413.735101 | | NSCT | 3# | 6.9314 | 3.0062 | 202.404612 | | FRFR-NSCT | 3# | 6.8475 | 3.4081 | 416.433884 | | CT&SPECT medical images | NSCT | 1# | 3.6556 | 1.1601 | 207.066354 | | FRFR-NSCT | 1# | 4.8169 | 2.2516 | 431.697082 | | NSCT | 2# | 4.5866 | 2.0947 | 208.800631 | | FRFR-NSCT | 2# | 4.6902 | 2.4386 | 431.882050 | | NSCT | 3# | 3.7528 | 1.6275 | 208.549554 | | FRFR-NSCT | 3# | 4.6902 | 2.4386 | 436.366335 |
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