Photon Counting Integral Imaging Based on Lucy-Richardson Algorithm

Acta Optica Sinica, Volume. 41, Issue 17, 1710001(2021)

Shangru Li and Peng Ge^*

Author Affiliations

School of Physics and Optoelectronics, South China University of Technology, Guangzhou, Guangdong 510641, China

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Figures & Tables(10)

Fig. 1. Principle of our algorithm. (a) Collection of element images; (b) photon counting image; (c) CMLE+LR algorithm; (d) reconstructed image

Fig. 2. Element image under normal lighting. (a) Overall element image; (b) single element image

Fig. 3. Reconstructed images at different depths. (a) d=500 mm; (b) d=450 mm

Fig. 4. Simulation process of the photon counting element image

Fig. 5. Photon counting element images under different conditions. (a) N_p=100; (b) N_p=300; (c) N_p=500; (d) N_p=1000; (e) N_p=10⁴; (f) N_p=10⁵

Fig. 6. PSNR of different iterations

Fig. 7. Element images obtained by different algorithms. (a) MLE; (b) CMLE; (c) MLE+LR; (d) CMLE+LR

Fig. 8. Reconsituted images of different algorithms. (a) MLE; (b) CMLE; (c) MLE+LR; (d) CMLE+LR

Fig. 9. Reconstruction results of teapot and tree by different algorithms. (a) MLE; (b) CMLE; (c) MLE+LR; (d) CMLE+LR