Research Article

Improved Compressed Sensing-Based Algorithm for Sparse-View CT Image Reconstruction

Figure 4

The reconstruction results of the nodule phantom using 50 projections. (a) The ground truth image, (b) the result obtained using FBP algorithm, (c) the ART algorithm, (d) the SART algorithm, (e) the TV algorithm, and (f) the proposed CS algorithm.
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(a)
185750.fig.004b
(b)
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(c)
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(d)
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(e)
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(f)