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Fig. 5 | BioMedical Engineering OnLine

Fig. 5

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

Fig. 5

The reconstruction results of the human head slice. a–d The image reconstructed by L1-DL, ADSIR, GPBB and SART respectively with 180 scanning views data; e–h the difference between the reconstructed image (a–d) and the original image (OI); i–l the image reconstructed by L1-DL, ADSIR, GPBB and SART respectively with 90 scanning views data; m–p the difference between the reconstructed image (i–l) and the original image (OI)

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