Fig. 1. Color PIV simulation experimental device

Fig. 2. Irradiance analysis of sensor

Fig. 3. Pinhole camera model

Fig. 4. PSF of particles at different depths

Fig. 5. Simulation image of 50 particles randomly generated

Fig. 6. Comparison between reconstruction results and real values

Fig. 7. Simulated particle images under Rankine vortex

Fig. 8. Simulation and reconstruction of the three-dimensional velocity vector field

Fig. 9. Influence of different velocity and particle number on reconstruction error