Fig. 1. Light path of the tabletop light field display system based on views-segmented voxels

Fig. 2. Distribution of viewpoints under circumstances of（a）ideal lens and（b）standard lens.

Fig. 3. Construction process of viewpoints under circumstances of（a）ideal lens and（b）standard lens.

Fig. 4. （a）Light path of the optimized aspheric lens；（b）Structure of the optimized aspheric lens.

Fig. 5. （a）Spot diagram of the standard lens；（b）Spot diagram of the optimized aspheric lens.

Fig. 6. （a）Light intensity distribution within the 400~650 mm viewing area with standard lens；（b）Light intensity distribution within the 400~650 mm viewing area with optimized aspheric lens.

Fig. 7. Images of city terrain from different perspectives.（a）Original images captured by the camera；（b）Images obtained on the original system with standard lens；（c）Images obtained on the improved system with aspheric lens；（d）Images obtained after the subtraction processing of Fig. 7（a）and Fig. 7（b）；（e）Images obtained after the subtraction processing of Fig. 7（a）and Fig. 7（c）.