Fig. 1. Flowchart of G-S iterate algorithm

Fig. 2. Schematic of CGH display system based on SLM

Fig. 3. Image recording and reconstruction. (a) Original image; (b) hologram; (c) numerical reconstruction image;(d) optical reconstructed image

Fig. 4. Optical reconstructed images. Optical reconstructed images with zoom factors of (a) 0.5, (b) 2 and (c) 3; (d) original image

Fig. 5. Original image and reconstructed images. (a) Original image; (b) numerical reconstruction image;reconstructed images of (c) real and (d) virtual image with the zoom factor of 2; reconstructed image of (e) real and (f) virtual image with the zoom factor of 4