Fig. 1. System schematic diagram. (a) Overall flow chart of system; (b) schematic diagram of see-through light field mixed-reality display system based on PDLC film; (c) light field rendering algorithm

Fig. 2. Diagram of operation mechanism of PDLC film

Fig. 3. Light field data in MV format

Fig. 4. Multiplexing and demultiplexing processes of target virtual object

Fig. 5. Optical design diagram. (a) Diagram of experimental setup; (b) time periods corresponding to camera and PDLC

Fig. 6. Transmittance of PDLC at different voltages

Fig. 7. Chromatic aberration contrast diagram. (a) Comparison before and after projection of test color card; (b) color difference before and after projection of corresponding number

Fig. 8. Comparison of experimental results of different optical combiners. (a) System structure based on BS; (b) system structure based on PDLC film; (c)-(d) images of the same focal depth of virtual and real fusion scene; (e)-(f) edge detection results

Fig. 9. Comparison of reconstruction results obtained by retaining different regularization terms. (a)-(c) respectively show reconstruction results without incorporating harmonized regularization term as a constraint, reconstruction results when both spatiotemporal and harmonized regularization terms are simultaneously incorporated as constraints, and reconstruction results without incorporating spatiotemporal regularization term as a constraint; (d) local magnification of corresponding color-boxed areas; (e) pixel distribution curves

Fig. 10. Fusion scene images of virtual and real scenes with different focal depths

Fig. 11. Comparison of results between two see-through mixed-reality systems. (a) Schematic diagram of system structure of Liu’s method^[23]; (b) comparison of 2D image results of Liu’s method^[23] and proposed virtual and real fusion scene method