A new in-line X-ray phase-contrast computed tomography reconstruction algorithm based on adaptive-weighted anisotropic TpV regularization for insufficient data

Zhao, Y.; Ji, D.; Chen, Y.; Jian, J.; Zhao, X.; Zhao, Q.; Lv, W.; Xin, X.; Yang, T.; Hu, C.

doi:10.1107/S1600577519005095

Journal of Synchrotron Radiation Journal of
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Figure 6
Convergence curves of the SART, AwTV-POCS and AwaTpV-POCS approaches under few-view (a), limited-angle (b) and low-dose noisy limited-angle (c) conditions, and the performance of AwaTpV-POCS with respect to different values of p (d). In panels (a)–(c), the left-hand axes plot PSNR with respect to different iteration number, and the right-hand plot RE with respect to different iteration number. The blue arrows and the red arrows mark PSNR-based and RE-based convergence curves, respectively. In panel (d), the red line with rectangles, the green line with diamonds and the blue line with triangles represent the performance of AwaTpV-POCS with respect to different values of p under few-view, limited-angle and low-dose noisy limited-angle conditions, respectively.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 26| Part 4| July 2019| Pages 1330-1342

https://doi.org/10.1107/S1600577519005095

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