Research Article
Adaptive Image Enhancement Using Entropy-Based Subhistogram Equalization
Table 3
AMBE calculated for the test images.
| | Image | BBHE | DSIHE | RMSHE | MMBEBHE | RSIHE | DHE | BHEPL | ESIHE | MMSICHE | BHEMHB | Proposed |
| | F16 | 1.3826 | 20.2554 | 5.7030 | 0.4496 | 6.4810 | 2.3726 | 0.5126 | 2.8740 | 2.7427 | 1.3340 | 0.1257 | | Aerial | 2.1127 | 3.0264 | 1.9858 | 0.7146 | 1.0718 | 1.0172 | 1.3826 | 2.4570 | 1.3826 | 2.1652 | 2.0326 | | Butterfly | 2.0134 | 1.8726 | 2.6479 | 2.1850 | 3.6592 | 3.1436 | 3.4131 | 3.6864 | 2.0131 | 3.1150 | 1.7246 | | Fish | 7.2436 | 9.5402 | 11.7333 | 8.2674 | 3.7260 | 4.3672 | 3.1236 | 3.8960 | 2.3826 | 4.5760 | 2.1026 | | Lena | 3.1427 | 6.0463 | 10.3377 | 0.8662 | 5.1090 | 2.1146 | 3.3324 | 2.5310 | 1.1324 | 2.4650 | 0.7726 | | Portofino | 6.9624 | 14.6670 | 11.2179 | 2.3521 | 9.1660 | 7.3826 | 7.6423 | 10.2240 | 5.7624 | 8.1610 | 1.3624 |
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