Precision Plots on UAV20L Precision Plots on VisDrone2019-SOT 0.8 0.6 0.4 0.2 01020304050 Location-Error Threshold BACF [0.584] STRCF [0.575] MCCT-H [0.568] ARCF-H [0.557] ARCF-HC [0.544] SAMF_CA [0.537] AutoTrack [0.512] SRDCF [0.507] CSR-DCF [0.501] ECO-HC [0.498] Staple_CA [0.497] Staple [0.485] KCC [0.483] SAMF [0.460] DSST [0.459] SRDCFdecon [0.443] fDSST [0.385] LCT2.0 [0.368] DCF [0.321] CN [0.313] KCF [0.311] Success Plots on UAV20L 0.8 0.6 0.4 0.2 BACF [0.415] STRCF [0.410] ARCF-H [0.386] ARCF-HC [0.381] MCCT-H [0.378] ECO-HC [0.377] SAMF_CA [0.352] CSR-DCF [0.350] AutoTrack [0.349] Staple [0.346] Staple_CA [0.345] (e) SRDCF [0.343] DSST [0.333] SRDCFdecon [0.327] KCC [0.324] SAMF [0.321] fDSST [0.288] LCT2.0 [0.233] DCF [0.208] KCF [0.196] CN [0.190] 0.8 0.6 0.4 0.2 0 0.2 0.4 0.6 0.8 10 0.2 0.4 0.6 0.8 1 Overlap Threshold Overlap Threshold ECO-HC [0.567] ARCF-HC [0.558] STRCF [0.550] AutoTrack [0.541] CSR-DCF [0.534] MCCT-H [0.533] BACF [0.531] Staple [0.528] ARCF-H [0.525] Staple_CA [0.522] SRDCFdecon [0.512] (f) FIGURE 6. (Continued) The overall performance of handcrafted DCF-based trackers on (e) UAV20L [19] and (f) VisDrone2019-SOT [21]. The ranking standard in the precision plot is the precision under CLE = 20 pixels, and the standard in the success-rate plot is the AUC (area under curve). MARCH 2022 IEEE GEOSCIENCE AND REMOTE SENSING MAGAZINE 147 KCC [0.511] DSST [0.510] SRDCF [0.497] SAMF_CA [0.488] SAMF [0.474] fDSST [0.472] LCT2.0 [0.430] DCF [0.401] KCF [0.400] CN [0.400] 0.8 0.6 0.4 0.2 01020304050 Location-Error Threshold ECO-HC [0.778] STRCF [0.770] ARCF-HC [0.764] CSR-DCF [0.749] MCCT-H [0.740] AutoTrack [0.740] BACF [0.739] ARCF-H [0.734] Staple [0.730] KCC [0.729] Staple_CA [0.727] Success Plots on VisDrone2019-SOT SAMF_CA [0.713] DSST [0.709] SRDCFdecon [0.701] SAMF [0.691] SRDCF [0.683] LCT2.0 [0.670] fDSST [0.653] CN [0.631] DCF [0.628] KCF [0.627] Success Rate Precision Success Rate Precision