Fig. 1. Laser far-field dynamic indication accuracy measurement system. (a) Dynamic indication accuracy measurement system; (b) optical structure of dual imaging system

Fig. 2. Schematic of image registration of dual imaging system. (a) Dual camera imaging model; (b) image registration of dual imaging system

Fig. 3. Dual-perspective correction with reference distance. (a) Dual-perspective correction of dual imaging system; (b) geometric imaging model of dual imaging system after image registration

Fig. 4. Dual-perspective correction without reference distance and calculation of indicating error

Fig. 5. Experimental setup for image registration of dual imaging system

Fig. 6. Image registration of dual imaging system. (a) Star image of near-infrared camera with ODC; (b) star image of near-infrared camera after image registration; (c) star image of visible light camera with ODC

Fig. 7. Outdoor dynamic measurement accuracy calibration experiment. (a) Cross target board; (b) visible light image with optical distortion correction; (c) near-infrared image with dual-perspective correction; (d) visible light image with perspective correction; (e) calibration results of dynamic measurement accuracy

Fig. 8. Experimental results of dynamic indication accuracy of measurement system. (a) Original image of near-infrared camera; (b) near-infrared image with dual-perspective correction; (c) original image of visible light camera; (d) visible light image with perspective correction; (e) fusion image; (f) measurement results of dynamic indication accuracy