Fig. 1. Flow chart of synthetic-aperture occlusion removal algorithm based on microlens array

Fig. 2. Light field sampling based on microlens array

Fig. 3. Principle of refocusing

Fig. 4. Scene diagram

Fig. 5. Original image

Fig. 6. Processing images of algorithm for each step. (a) Sampling image of microlens; (b) binary extracted occlusion grid; (c) result without using synthetic aperture; (d) occlusion removal result

Fig. 7. Results of three algorithms. (a) Microlens synthetic aperture algorithm; (b) multi-cue fusion extraction depth algorithm; (c) prior information matching based algorithm

Fig. 8. Images processed by three algorithms. (a)-(c) Binarization images of Figs. 7(a)-(c); (d)-(f) contour extraction images of Figs. 7(a)-(c)