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Imaging through thick scattering media produces a random speckle signal with wealth information, which can be restored by subsequent processing. While a moving target is hard to reconstruct by existing technology, we apply temporal Bayesian compressed sensing method to overcome this limitation. In addition, an over completed dictionary is used as a sparse base to improve the accuracy of the reconstructions. In this letter, we improve system time resolution without changing its spatial resolution and reconstruct T frame speckle images from a single temporal compressed speckle measurement.
Yan Wang andJun Ke
"Bayesian sparse reconstruction based on dictionary learning", Proc. SPIE 11549, Advanced Optical Imaging Technologies III, 115491L (10 October 2020); https://doi.org/10.1117/12.2575180
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Yan Wang, Jun Ke, "Bayesian sparse reconstruction based on dictionary learning," Proc. SPIE 11549, Advanced Optical Imaging Technologies III, 115491L (10 October 2020); https://doi.org/10.1117/12.2575180