Jia HAO, Yan WANG, Kui ZHOU, Xiao-chang YU, Yi-ting YU. Optimized design model of novel diagonal micropolarizer arrays[J]. Optics and Precision Engineering, 2021, 29(10): 2363
- Optics and Precision Engineering
- Vol. 29, Issue 10, 2363 (2021)
Fig. 1. Schematic diagram of core optical elements for DoFP polarization imaging system
Fig. 2. Eight MPA patterns
Fig. 3. Discrete Fourier Transform （DFT） spectra of different MPA pattens
Fig. 4. Expression formulas of micropolarizer at different positions
Fig. 5. Reconstruction flowchart of Stokes parameters，DoLP and AoP images
Fig. 6. Visual band polarization information acquisition system
Fig. 7. Optical properties of polarizers in visible band
Fig. 8. Original intensity image of real vehicle target under shade of trees
Fig. 9. Reconstructed DoLP images of different MPA patterns on same testing scene. （a1） 2×2， （b1） 2×4， （c1） 2×3， （d1） 2×7， （e1） 2×2×2， （f1） 3×3， （g1） 5×5， （h1） 7×7， and （i1） ground-truth； （a2）-（i2） the enlarged views of white rectangular regions of the （a1）-（i1）
Fig. 10. Convergent curves of PSNR on testing scene with different MPA patterns
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Table 1. Design parameters for eight types of MPA pattern
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Table 2. Comparison of evaluation index results of reconstruction images with different MPAs
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