An improved long-term correlation tracking method with occlusion handling 
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School of Aeronautics and Astronautics, Shanghai Jiao Tong University, Shanghai 200240, China
Figures & Tables
Fig. 1. Response maps. (a) Object is intact; (b) object is occluded.
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Fig. 2. Curves of response values with different attributes. (a) Full OCC; (b) DEF; (c) partial OCC; (d) BCs; (e) FM; (f) IV; (g) SV. (Best view in PDF.)
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Fig. 3. Detection for proposal boxes. (a) Bounding box of object; (b) top-ranked proposals; (c) proposals.
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Fig. 4. Flowchart of ILCT. (Best view in PDF.)
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Fig. 5. Tracking results of 12 trackers. (a) Carchase1; (b) road; (c) carchase2; (d) group; (e) motorcycle; (f) triumphal arch; (g) jogging; (h) wandering. (Best view in PDF.)
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Table1. Information of Eight Sequences
| Video Name | Number of Frames | Attributes |
|---|
| Carchase1[25] | 71 | OCC, FM, MC | | Road[26] | 52 | OCC, BC, FM, MC, SV | | Carchase2[27] | 150 (1st-150th) | OCC, FM, IV, MC | | Group[26] | 86 | OCC, DEF, MC | | Motorcycle[28] | 156 | OCC, FM, MB, MC, SV | | Triumphal arch | 331 | OCC, DEF, OPR, SV | | Jogging[17] | 307 | OCC, DEF, OPR | | Wandering[26] | 285 | OCC, DEF, MC |
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Table2. Comparison Results of CLE in Eight Sequences
| Sequence | ILCT | CT | DSST | KCF | IKCF | L1APG | Struck | TLD | ICSK | LCT | LCT-PSR | LCT-MF |
|---|
| Carchase1 | 0.9800 | 0.5800 | 0.5800 | 0.5800 | 0.9800 | 0.5800 | 0.5800 | 1.0000 | 0.5800 | 0.5800 | 1.0000 | 0.8400 | | Road | 0.8621 | 0.4828 | 0.4828 | 0.4828 | 1.0000 | 0.3793 | 0.4828 | 0.4828 | 0.4828 | 0.4828 | 1.0000 | 0.4828 | | Carchase2 | 0.9681 | 0.0638 | 0.5106 | 0.5106 | 1.0000 | 0.5106 | 0.4787 | 0.9681 | 0.5426 | 0.5106 | 1.0000 | 0.5426 | | Group | 0.9444 | 0.0833 | 0.1528 | 0.1528 | 0.9444 | 0.1528 | 0.1389 | 0.0417 | 0.1528 | 0.1528 | 0.9444 | 0.1667 | | Motorcycle | 0.9858 | 0.1560 | 0.9929 | 0.2128 | 0.9362 | 0.2128 | 0.0780 | 0.3404 | 1.0000 | 1.0000 | 0.8936 | 0.1277 | | Triumphal arch | 0.9622 | 0.1351 | 0.1351 | 0.1351 | 0.1351 | 0.1351 | 0.1351 | 0.4757 | 0.1351 | 0.1351 | 0.5297 | 0.1351 | | Jogging | 1.0000 | 0.1544 | 0.1544 | 0.1544 | 0.1544 | 0.9930 | 0.0702 | 1.0000 | 1.0000 | 1.0000 | 0.1544 | 0.6947 | | Wandering | 0.9956 | 0.3231 | 0.3406 | 0.3406 | 0.3406 | 0.3275 | 0.3406 | 0.8908 | 0.3406 | 0.3362 | 0.1659 | 0.3406 | | Average | 0.9575 | 0.2365 | 0.4298 | 0.3183 | 0.6863 | 0.4234 | 0.2805 | 0.6155 | 0.5292 | 0.5516 | 0.7110 | 0.4163 | | Number of best | 4 | 0 | 0 | 0 | 3 | 0 | 0 | 2 | 2 | 2 | 4 | 0 | | Number of second best | 3 | 0 | 1 | 0 | 1 | 1 | 0 | 2 | 0 | 0 | 1 | 1 |
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Junhao Zhao, Gang Xiao, Xingchen Zhang, D. P. Bavirisetti. An improved long-term correlation tracking method with occlusion handling[J]. Chinese Optics Letters, 2019, 17(3): 031001.
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