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
- Optics and Precision Engineering
- Vol. 30, Issue 12, 1509 (2022)
Fig. 1. Schematic of dual-station multi-target initial matching
Fig. 2. Simulation result of GDOP for our dual-station positioning system
Fig. 3. Diagram of target track and 2D histogram of direction
Fig. 4. 3D track direction distribution map of a target
Fig. 5. Infrared dual-station positioning system
Fig. 6. Flowchart of experiment
Fig. 7. Infrared imaging data of multi-target
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
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Table 1. Observation data of multi-target
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Table 2. Positioning results of multi-target matching
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Table 3. Fit error for each target track
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