Fig. 1. System schematic. (a) Structural of light-field display system based on joint encoding of double-layer halftone images; (b) structural diagram and optical diagram of optical control unit of the system

Fig. 2. Structural diagram of coding and voxels construction for light-field display system

Fig. 3. Structural diagram of grayscale mapping for light-field display system

Fig. 4. Flow-process diagram of double-layer halftone images joint coding. (a) First layer algorithm; (b) second layer algorithm

Fig. 5. Experiments and results of light intensity comparison. (a) Experimental process of light intensity measurement; (b) light intensity distribution of two encoding methods

Fig. 6. Display effect of light-field display system from different perspectives

Fig. 7. Comparison of display effect. (a) Reproduced 3D image with single-layer halftone images coding; (b) reproduced 3D image with double-layer halftone images joint coding