Fig. 1. Schematic of holographic wavefront recording

Fig. 2. Schematic of digital holographic reconstruction

Fig. 3. Improved U-Net structure, the size of the current feature map is located at the left of the rectangular box

Fig. 4. HS-Block structure

Fig. 5. Network structure for reconstructing multi-scale digital holograms

Fig. 6. Mixing digital holograms with different scales as a data set training deep learning model to compare the reconstruction effect of different resolution digital holograms

Fig. 7. Comparison of reconstruction results of different scale digital holograms by a single deep learning model