基于融合逆透射率图的水下图像增强算法

张剑钊,郭继昌,汪昱东

Underwater image enhancement algorithm via fusing reverse medium transmission map

Jian-zhao ZHANG,Ji-chang GUO,Yu-dong WANG

表 1 合成数据集上各算法的客观评价指标

Tab.1 Objective evaluation indexes of each algorithm on synthesized datasets

算法 MSE ↓ PSNR↑ SSIM↑ Entropy↑ UCIQE↑ UIQM↑ 原图 4 144.966 6 14.494 5 0.695 4 6.090 0 0.494 2 1.882 9 WB[14] 4 246.773 4 14.517 4 0.686 2 5.981 7 0.477 4 1.860 5 HE[15] 3 885.061 3 14.303 6 0.737 2 7.141 3 0.604 4 2.461 3 Water-Net[13] 3 417.155 3 15.761 2 0.768 7 6.787 9 0.540 5 2.409 3 UGAN[10] 2 266.487 8 16.263 6 0.662 5 7.121 4 0.559 7 3.020 2 UWCNN[12] 2 159.017 0 17.045 3 0.767 0 6.530 7 0.549 4 4.125 1 Ucolor[17] 723.786 5 23.239 3 0.871 8 7.260 6 0.513 2 2.575 7 URMT-Net 636.919 4 22.933 8 0.886 2 7.355 7 0.564 0 2.868 5