Chinese Journal of Liquid Crystals and Displays, Volume. 37, Issue 12, 1580(2022)
Non-uniform illumination image enhancement via symmetric brightness mapping and virtual multi-exposure fusion
Fig. 4. Comparison of image enhancement results for non-uniform illumination image（Example 1）
Fig. 5. Comparison of image enhancement results for non-uniform illumination image（Example 2）
Fig. 6. Comparison of image enhancement results for non-uniform illumination image（Example 3）
Table 1. Image information entropy of different methods on each dataset
View tableView in ArticleTable 1. Image information entropy of different methods on each dataset
方法 DICM LIME NPE NPE-ex1 NPE-ex2 NPE-ex3 VV 平均值 NPE 7.107 7.144 7.661 7.359 7.577 7.397 7.351 7.371 SRIE 7.228 7.058 7.619 7.357 7.526 7.358 7.423 7.367 YING-EF 7.027 7.004 7.568 7.246 7.437 7.259 7.229 7.253 VMEF 7.330 7.414 7.692 7.470 7.625 7.558 7.589 7.525 LightenNet 7.102 7.235 7.423 7.217 7.464 7.393 7.362 7.314 本文方法 7.586 7.673 7.713 7.493 7.644 7.639 7.761 7.644
Table 2. Average gradients of different methods on each dataset
View tableView in ArticleTable 2. Average gradients of different methods on each dataset
方法 DICM LIME NPE NPE-ex1 NPE-ex2 NPE-ex3 VV 平均值 NPE 6.600 7.576 6.198 8.251 6.056 9.632 6.849 7.309 SRIE 5.660 5.621 5.419 7.680 5.456 8.985 6.342 6.465 YING-EF 6.233 6.777 6.073 7.486 5.878 9.320 6.518 6.898 VMEF 7.470 8.251 7.911 9.346 7.190 11.085 7.678 8.419 LightenNet 6.400 7.177 6.281 8.332 6.096 9.345 6.533 7.166 本文方法 9.120 9.547 8.443 9.804 7.754 11.343 8.451 9.209
Table 3. Image contrast of different methods on each dataset
View tableView in ArticleTable 3. Image contrast of different methods on each dataset
方法 DICM LIME NPE NPE-ex1 NPE-ex2 NPE-ex3 VV 平均值 NPE 218.189 295.486 202.803 349.680 242.037 518.382 245.583 296.023 SRIE 177.698 192.102 188.951 335.755 237.092 508.222 262.402 271.746 YING-EF 201.167 261.269 227.049 318.774 265.414 529.220 263.257 295.164 VMEF 266.312 352.951 344.301 454.452 326.995 647.971 315.002 386.855 LightenNet 218.130 278.932 236.603 376.230 260.232 522.982 263.912 308.146 本文方法 455.035 462.012 393.181 490.352 361.963 659.082 332.418 450.683
Table 4. Color consistency of different methods on each dataset
View tableView in ArticleTable 4. Color consistency of different methods on each dataset
方法 DICM LIME NPE NPE-ex1 NPE-ex2 NPE-ex3 VV 平均值 NPE 0.909 0.936 0.964 0.970 0.973 0.958 0.921 0.947 SRIE 0.880 0.900 0.946 0.959 0.953 0.942 0.883 0.923 YING-EF 0.907 0.932 0.968 0.969 0.974 0.957 0.915 0.946 VMEF 0.916 0.940 0.971 0.969 0.975 0.956 0.930 0.951 LightenNet 0.893 0.919 0.956 0.964 0.966 0.953 0.893 0.935 本文方法 0.933 0.954 0.977 0.977 0.981 0.961 0.951 0.962
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Zi-meng HUANG, Wang-ming XU, Yuan DAN. Non-uniform illumination image enhancement via symmetric brightness mapping and virtual multi-exposure fusion[J]. Chinese Journal of Liquid Crystals and Displays, 2022, 37(12): 1580
Category: Research Articles
Received: May. 18, 2022
Accepted: --
Published Online: Nov. 30, 2022
The Author Email: Wang-ming XU (xuwangming@wust.edu.cn)
