Fig. 1. Overall scheme of proposed algorithm

Fig. 2. Optical path diagram and MTF curve diagram of the overall optical system. (a) Optical path diagram; (b) MTF curve diagram

Fig. 3. Structure diagram of the projection lens before simplified design

Fig. 4. MTF curve diagram of the projection lens before simplified design

Fig. 5. Structure diagram of the projection lens after simplified design

Fig. 6. MTF curve diagram of the projection lens after simplified design

Fig. 7. PSF of each field of view after the system is simplified

Fig. 8. Visualization comparison chart

Fig. 9. Super-resolution restoration results under different iteration counts. (a) PSNR curves; (b) SSIM curves

Fig. 10. Experimental setup

Fig. 11. Reconstruction results of different algorithms. (a) Encoding pattern loaded on DMD; (b) image captured by the system; (c) super-resolution reconstruction using bicubic interpolation; (d) SCSR; (e) super-resolution restoration result image

Fig. 12. Outdoor target scene distance

Fig. 13. Comparison of outdoor scene imaging