D_S MARCH 2021 QNR 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 (e) IEEE GEOSCIENCE AND REMOTE SENSING MAGAZINE (a) 0 (c) 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 PCA IHS Brovey BDSD GS GSA PRACS HPF SFIM Indusion ATWT AWLP ATWT_M2 ATWT_M3 MTF_GLP MTF_GLP_HPM_PP MTF_GLP_HPM MTF_GLP_CBD MSDCNN D_λ PCA IHS Brovey BDSD GS GSA PRACS HPF SFIM Indusion ATWT AWLP ATWT_M2 ATWT_M3 MTF_GLP MTF_GLP_HPM_PP MTF_GLP_HPM MTF_GLP_CBD MSDCNN PCA IHS Brovey BDSD GS GSA PRACS HPF SFIM Indusion ATWT AWLP ATWT_M2 ATWT_M3 MTF_GLP MTF_GLP_HPM_PP MTF_GLP_HPM MTF_GLP_CBD MSDCNN 0 PCA IHS Brovey BDSD GS GSA PRACS HPF SFIM Indusion ATWT AWLP ATWT_M2 ATWT_M3 MTF_GLP MTF_GLP_HPM_PP MTF_GLP_HPM MTF_GLP_CBD MSDCNN PCA IHS Brovey BDSD GS GSA PRACS HPF SFIM Indusion ATWT AWLP ATWT_M2 ATWT_M3 MTF_GLP MTF_GLP_HPM_PP MTF_GLP_HPM MTF_GLP_CBD MSDCNN 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 PCA IHS Brovey BDSD GS GSA PRACS HPF SFIM Indusion ATWT AWLP ATWT_M2 ATWT_M3 MTF_GLP MTF_GLP_HPM_PP MTF_GLP_HPM MTF_GLP_CBD MSDCNN Q2n Index ERGAS SAM 90 80 70 60 50 40 30 20 10 0 2.5 2 1.5 1 0.5 (b) 0.3 0.25 0.2 0.15 0.1 0.05 (d) (f) FIGURE 14. The experiment results based on the water-scenario data set. (a)-(c) The results with the ERGAS, SAM, and Q2 n index, respec- tively, in the reduced-resolution experiment. (d)-(f) The results with Dm , Ds , and the QNR, respectively, in the full-resolution experiment. 41