Optics and Precision Engineering, Volume. 30, Issue 12, 1509(2022)
Infrared multi-target dual-station positioning based on maximum density estimation in track direction
Figures & Tables(16)
Fig. 2. Simulation result of GDOP for our dual-station positioning system
Fig. 8. Initial matching positioning and track fitting results of the 3rd， 7th and 10th target
Fig. 9. 2D distribution and maximum range of track direction of the 3rd， 7th and 10th target
Fig. 10. 2D histogram of direction of the 3rd， 7th and 10th target
Fig. 11. Maximum density estimation of track direction of the 3rd， 7th and 10th target based on Mean Shift
Fig. 12. Track fitting of the 3rd， 7th and 10th target based on method of histogram
Fig. 13. Track fitting of the 3rd， 7th and 10th target based on proposed method
Table 1. Observation data of multi-target
View tableView in ArticleTable 1. Observation data of multi-target
Target ID 7th frame 12th frame S1x S1y S2x S2y S1x S1y S2x S2y 1 12 81 59 54 78 122 101 101 2 68 94 88 69 133 134 131 116 3 29 97 71 72 95 138 113 120 4 41 115 83 94 105 156 126 142 5 84 125 76 106 148 166 117 155 6 77 133 114 114 140 173 159 165 7 121 136 145 117 183 174 190 167 8 105 140 116 122 166 179 160 173 9 112 143 116 126 174 182 160 177 10 143 156 131 143 198 189 171 187
Table 2. Positioning results of multi-target matching
View tableView in ArticleTable 2. Positioning results of multi-target matching
Target ID in S2 7th target in S1 10th target in S1 X Y Z ΔZ X Y Z ΔZ 1 -1 671.26 -1 107.93 -5.23 36.11 -1 681.88 -1 097.42 -18.54 49.07 2 -1 684.78 -1 116.89 -5.27 27.86 -1 695.36 -1 106.21 -18.68 41.00 3 -1 676.86 -1 111.64 -5.25 26.23 -1 687.46 -1 101.06 -18.60 39.32 4 -1 682.45 -1 115.35 -5.27 14.17 -1 693.04 -1 104.70 -18.66 27.42 5 -1 679.19 -1 113.19 -5.25 7.60 -1 689.79 -1 102.58 -18.62 20.87 6 -1 696.85 -1 124.89 -5.31 3.25 -1 707.39 -1 114.06 -18.82 16.71 7 -1 711.20 -1 134.40 -5.36 1.65 -1 721.69 -1 123.39 -18.97 15.24 8 -1 697.80 -1 125.50 -5.31 -1.11 -1 708.32 -1 114.67 -18.83 12.39 9 -1 697.78 -1 125.51 -5.31 -3.30 -1 708.32 -1 114.67 -18.83 10.22 10 -1 704.72 -1 130.11 -5.33 -12.56 -1 715.24 -1 119.19 -18.9 1.11
Table 3. Fit error for each target track
View tableView in ArticleTable 3. Fit error for each target track
Track point Direct method Histogram method Proposed method 3rd 7th 10th 3rd 7th 10th 3rd 7th 10th 1 -1.00 3.44 0.15 -1.00 0.03 0.12 -1.00 0.09 0.15 2 -1.00 2.99 0.10 -1.00 0.20 0.06 -1.00 0.26 0.08 3 -1.00 3.17 0.07 -1.00 0.31 0.06 -1.00 0.30 0.04 4 -1.00 10.63 0.23 -1.00 -1.00 0.23 -1.00 -1.00 0.21 5 0.26 2.39 0.17 0.26 0.09 0.18 0.28 0.08 0.18 6 0.20 2.57 0.19 0.20 0.40 0.14 0.20 0.43 0.13 7 0.40 11.10 0.10 0.40 -1.00 0.06 0.40 -1.00 0.07 8 0.34 1.56 0.44 0.34 0.19 0.42 0.33 0.14 -1.00 9 0.28 1.53 0.29 0.28 0.10 0.31 0.26 0.21 0.32 10 0.34 1.20 0.16 0.34 0.21 0.02 -1.00 0.12 0.04 11 0.09 0.98 0.44 0.09 0.12 -1.00 0.11 0.23 0.28 12 0.20 0.51 0.73 0.20 0.36 -1.00 0.18 0.15 -1.00 13 0.20 0.19 -1.00 0.20 0.44 -1.00 0.20 0.33 -1.00 14 0.25 0.56 -1.00 0.25 0.58 -1.00 0.25 0.42 -1.00 15 0.08 1.30 -1.00 0.08 1.05 -1.00 0.07 -1.00 -1.00 16 0.08 -1.00 -1.00 0.08 -1.00 -1.00 0.07 -1.00 -1.00 17 0.19 -1.00 -1.00 0.19 -1.00 -1.00 0.20 -1.00 -1.00 平均 0.22 2.94 0.26 0.22 0.31 0.16 0.21 0.23 0.15
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Juan YUE, Fanming LI, Sili GAO. Infrared multi-target dual-station positioning based on maximum density estimation in track direction[J]. Optics and Precision Engineering, 2022, 30(12): 1509
Paper Information
Category: Information Sciences
Received: Feb. 23, 2022
Accepted: --
Published Online: Jul. 5, 2022
The Author Email: GAO Sili (gauss_gao@sina.com)
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