Table 3.
Metric value comparisons of reference methods and proposed method on 12 benchmark image pairs.
| EN | MI | SSIM | QAB/F | VIF | |
|---|---|---|---|---|---|
| LP | 6.7053 | 1.9353 | 0.4938 | 0.6011 | 0.4363 |
| Wavelet | 6.3003 | 2.4895 | 0.4869 | 0.2939 | 0.3028 |
| NSCT | 6.5850 | 1.8830 | 0.4945 | 0.5753 | 0.4213 |
| DTMDCT | 6.9425 | 1.8486 | 0.4431 | 0.3952 | 0.2956 |
| CBF | 6.5989 | 1.7220 | 0.4843 | 0.4752 | 0.3696 |
| HMSD | 6.9609 | 2.6005 | 0.4891 | 0.5284 | 0.3943 |
| GFF | 6.9890 | 3.5612 | 0.4344 | 0.6180 | 0.4681 |
| ADF | 6.3511 | 2.2094 | 0.4786 | 0.3823 | 0.3270 |
| ASR | 6.4384 | 2.0770 | 0.4898 | 0.5125 | 0.3767 |
| LPSR | 6.3580 | 2.0916 | 0.4856 | 0.3199 | 0.2910 |
| OIPCNN | 7.1803 | 4.9356 | 0.3906 | 0.6106 | 0.4069 |
| N-S-P | 6.9947 | 2.6022 | 0.4312 | 0.5015 | 0.4060 |
| DDCTPCA | 6.5567 | 1.8382 | 0.4851 | 0.5068 | 0.3927 |
| FPDE | 6.3974 | 1.9024 | 0.4617 | 0.4167 | 0.3338 |
| TSIFVS | 6.6270 | 1.8646 | 0.4898 | 0.5059 | 0.3632 |
| LEPLC | 7.0770 | 2.4172 | 0.4943 | 0.4810 | 0.4569 |
| GTF | 6.5819 | 2.1623 | 0.4236 | 0.3804 | 0.3440 |
| IFEVIP | 6.8685 | 3.8723 | 0.4865 | 0.4805 | 0.4061 |
| Ours | 7.1967 | 2.9402 | 0.6582 | 0.6181 | 0.4780 |