Fig. 1. Imaging simulation of ‘tracking’ target

Fig. 2. Imaging simulation of ‘diffusing’ target

Fig. 3. Schematic of the experimental apparatus

Fig. 4. Imaging experiment of ‘tracking’ target

Fig. 5. Imaging experiment of ‘diffusing’ target

Fig. 6. Parameters variation trend of three reconstruction algorithms for the ‘tracking’ targets at different time. (a) PSNR curve; (b) image correlation coefficient curve

Fig. 7. Parameters variation trend of three reconstruction algorithms for the ‘diffusing’ targets at different time. (a) PSNR curve; (b) image correlation coefficient curve