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Fig. 12 | BioMedical Engineering OnLine

Fig. 12

From: Low-dose CT reconstruction via L1 dictionary learning regularization using iteratively reweighted least-squares

Fig. 12

The reconstruction results of the human head slice by ADSIR with different regularization parameter. ac The image reconstructed by 180 scanning views data with no noise; df the difference between the reconstructed image (ac) and the original image (OI); gi the image reconstructed by 180 scanning views data simulated by 2 million photons; jl the difference between the reconstructed image (gi) and the original image (OI). The first to third columns refer to the results with λ, 0.2λ and 5λ respectively

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