Shangru Li, Peng Ge. Photon Counting Integral Imaging Based on Lucy-Richardson Algorithm[J]. Acta Optica Sinica, 2021, 41(17): 1710001
- Acta Optica Sinica
- Vol. 41, Issue 17, 1710001 (2021)
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) Np=100; (b) Np=300; (c) Np=500; (d) Np=1000; (e) Np=104; (f) Np=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
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Table 1. PSNR of reconstructed images using different algorithmsunit: dB
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