Fig. 1. Structural diagram of the light field sensor

Fig. 2. Principal diagram of light field imaging for point targets

Fig. 3. Equivalent diagram of object plane and multiple object square sub-regions

Fig. 4. Schematic diagram of extended target light field imaging

Fig. 5. Schematic diagram of extended target light field image recombination

Fig. 6. Simulation results of light field imaging of resolution plate

Fig. 7. Simulation results of astigmatism wavefront reconstruction

Fig. 8. Simulation results of defocusing wavefront reconstruction

Fig. 9. Simulation results of coma wavefront reconstruction

Fig. 10. Simulation results of three-lobe wavefront reconstruction

Fig. 11. Curves of wavefront reconstruction errors for four types of aberrations varying with aberration coefficient

Fig. 12. Wavefront reconstruction error varying with the number of microlens elements

Fig. 13. Light field images under different noises

Fig. 14. Structural diagram of experimental system

Fig. 15. Experimental system

Fig. 16. Resolution board and detection area

Fig. 17. Aberration-free light field image

Fig. 18. Reconstruction results of four kinds of aberrant wavefronts