Fig. 1. Principle of light field imaging

Fig. 2. Principle of extracting light field subaperture image

Fig. 3. Numerical verification diagram of weight coefficient calculation method

Fig. 4. Weight coefficient atlas at different depth positions

Fig. 5. Similarity of weight coefficients at different depth positions

Fig. 6. Weight construction results of calibration plate at different depth positions. (a) VCT method; (b) DRT method

Fig. 7. Reconstruction accuracy of calibration plate dot position. (a) Location errors in lateral; (b) location errors in depth

Fig. 8. Reconstructed stretch length of calibration plate dot. (a) Lateral elongation; (b) depth elongation

Fig. 9. Verification system of weight coefficient calculation experiment. (a) Schematic diagram; (b) physical figure

Fig. 10. Cage light field camera

Fig. 11. Light field images of calibration plate taken at different depth positions in experiment. (a) z=-5 mm; (b) z=0; (c) z=5 mm

Fig. 12. Reconstruction of the accuracy of position of calibration plate in experiment. (a) Location errors in lateral; (b) location errors in depth

Fig. 13. Reconstructed stretch length of dots on reconstituted calibration plate in experiment. (a) Lateral elongation; (b) depth elongation