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Proceedings Paper

Image reconstruction algorithm analysis of spatially modulated full polarization imaging system
Author(s): Song Ye; Hao-Fang Yan; Xiao-Bing Sun; Wei-Feng Yang; Fang-Yuan Wang; Jie-Jun Wang; Xin-Qiang Wang; Yong-Ying Gan; Wen-Tao Zhang
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Paper Abstract

The spatially modulated full polarization imaging system can acquire target images and polarization information by using spatial carrier fringes to encode full Stokes parameters in a single interference image. This polarization detecting technology uses a Savart Plate (SP) as a spatial modulation module encodes two-dimensional Stokes parameters S0~S3 and the information of four Stokes quantities can be obtained by a single detection. The principle and mathematical model of this system is analyzed in details, and the image reconstruction method is also presented. Two different frequency domain filtering algorithms for demodulation are applied to reconstruct images in numerical simulation and laboratory experiment. The frequency domain algorithm based on two-dimensional Gauss low-pass filter does not have ringing, it has obvious advantages in image reconstruction. The measured data of polarized light and depolarized light from spatially modulated full polarization imaging system is demodulated by optimal algorithm. Reconstruction results show the polarization degree of depolarization light is less than 5%, which the one of polarized light generated by a polarizer is approximate to 100%. These results are coincident with the theoretical prediction well, which verify the feasibility and validity of the algorithm.

Paper Details

Date Published: 12 March 2019
PDF: 7 pages
Proc. SPIE 11023, Fifth Symposium on Novel Optoelectronic Detection Technology and Application, 110231G (12 March 2019); doi: 10.1117/12.2521622
Show Author Affiliations
Song Ye, Guilin Univ. of Electronic Technology (China)
Guangxi Key Lab. of Optoelectronic Information Processing (China)
Hao-Fang Yan, Guilin Univ. of Electronic Technology (China)
Guangxi Key Lab. of Optoelectronic Information Processing (China)
Xiao-Bing Sun, Anhui Institute of Optics and Fine Mechanics (China)
Wei-Feng Yang, Anhui Institute of Optics and Fine Mechanics (China)
Fang-Yuan Wang, Guilin Univ. of Electronic Technology (China)
Guangxi Key Lab. of Optoelectronic Information Processing (China)
Jie-Jun Wang, Guilin Univ. of Electronic Technology (China)
Guangxi Key Lab. of Optoelectronic Information Processing (China)
Xin-Qiang Wang, Guilin Univ. of Electronic Technology (China)
Guangxi Key Lab. of Optoelectronic Information Processing (China)
Yong-Ying Gan, Guilin Univ. of Electronic Technology (China)
Guangxi Key Lab. of Optoelectronic Information Processing (China)
Wen-Tao Zhang, Guilin Univ. of Electronic Technology (China)
Guangxi Key Lab. of Optoelectronic Information Processing (China)


Published in SPIE Proceedings Vol. 11023:
Fifth Symposium on Novel Optoelectronic Detection Technology and Application
Qifeng Yu; Wei Huang; You He, Editor(s)

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