40 Q2n Index 0 0.35 (c) 0.3 0.25 0.15 0.2 0.05 0.1 (e) 1.5 1.5 0.5 0 0 (a) 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 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 2 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 2 SAM 2.5 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 0.5 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 ERGAS 1 QNR 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 D_S 2.5 1 (b) (d) (f) FIGURE 13. The experiment results based on the green vegetation 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. IEEE GEOSCIENCE AND REMOTE SENSING MAGAZINE MARCH 2021