Comparative study on three reconstruction algorithms for a single pixel hyperspectrometer

Zhilong Xu; Jianglan Ning; Dan Wu; Yingge Xie; Rui Zhang; Yuanyuan Wang; Wei Zhao; Wenyi Ren

doi:10.1117/12.2586751

12 March 2021 Comparative study on three reconstruction algorithms for a single pixel hyperspectrometer

Zhilong Xu, Jianglan Ning, Dan Wu, Yingge Xie, Rui Zhang, Yuanyuan Wang, Wei Zhao, Wenyi Ren

Proceedings Volume 11763, Seventh Symposium on Novel Photoelectronic Detection Technology and Applications; 117633U (2021) https://doi.org/10.1117/12.2586751
Event: Seventh Symposium on Novel Photoelectronic Detection Technology and Application 2020, 2020, Kunming, China

Abstract

In this paper, we introduce a single-pixel hyperspectral system based on liquid crystal variable phase retarder (LCVR). Compressed sensing reconstruction algorithms L1-magic, Two-Step Iterative Shrink-age/Thresholding (TwIST), Gradient Projection for Sparse Reconstruction (GPSR) for single-pixel hyperspectral reconstruction are compared. The root mean square error (RMSE), peak signal-to-noise ratio (PSNR), correlation coefficients (CC) and convergence time (CT) are used as the evaluation criterions to estimate the performance of algorithms under various compression ratio. It helps us to choose the optimal algorithm to different application cases.

Citation Download Citation

Zhilong Xu, Jianglan Ning, Dan Wu, Yingge Xie, Rui Zhang, Yuanyuan Wang, Wei Zhao, and Wenyi Ren "Comparative study on three reconstruction algorithms for a single pixel hyperspectrometer", Proc. SPIE 11763, Seventh Symposium on Novel Photoelectronic Detection Technology and Applications, 117633U (12 March 2021); https://doi.org/10.1117/12.2586751

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