Fig. 1. Flow chart of sliding window fusion and adaptive median filtering based anti-aliasing algorithm

Fig. 2. Optical path of focused light field system

Fig. 3. Diagram of basic light field refocus algorithm

Fig. 4. Comparison of aliasing reducing in non-focusing area

Fig. 5. Flow chart of SWF algorithm

Fig. 6. Focal stacks and gradient stacks

Fig. 7. Aliasing reducing experiments. (a) w=5; (b) w=7; (c) w=11; (d) w=18

Fig. 8. Defocus response experiments. (a) Light field data; (b) defocus response of BR algorithm; (c) defocus response of MVF algorithm; (d) defocus response of proposed SWF+AMF algorithm