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- W2950930023 abstract "In this paper we discuss the influence of the camera noise in holographic projections measurements on the accuracy of reconstruction in the limited projection angle optical diffraction tomography (LAODT). To counteract the shortcomings of LAODT due to “missing cone” problem we apply generalized total variation iterative constraint (GTVIC) algorithm which replenishes the spectral contents of the reconstruction. To investigate the influence of the noise on result of the GTVIC reconstruction we perform systematic numerical experiments based on simulated phantom mimicking a cell and tailored to the measurement parameters of LAODT system. Next, to mitigate the disruptive influence of noise we test the efficiency of two denoising procedures based on blockmatching technique, namely BM3D and BM4D. Thanks to the properties of those algorithms, the denoising may be applied directly on holograms or hologram stacks, without destroying the fringes. The tomographic GTVIC reconstruction results from data after filtration will be compared with noise-free reconstruction, in reference to the simple median filtering of the noisy reconstruction." @default.
- W2950930023 created "2019-06-27" @default.
- W2950930023 creator A5023464138 @default.
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- W2950930023 date "2019-06-21" @default.
- W2950930023 modified "2023-10-18" @default.
- W2950930023 title "Block-matching-based filtration in holographic tomography reconstruction" @default.
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- W2950930023 doi "https://doi.org/10.1117/12.2526003" @default.
- W2950930023 hasPublicationYear "2019" @default.
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