Correction of center of rotation and projection angle in synchrotron X-ray computed tomography

Chang-Chieh Cheng*, Yu-Tai Ching, Pai Hung Ko, Yeukuang Hwu

*此作品的通信作者

研究成果: Article同行評審

11 引文 斯高帕斯(Scopus)

摘要

An error in tomographic reconstruction parameters can result considerable artifacts in the reconstructed image, particularly in micro-computed tomography and nano-computed tomography. This study involved designing an automatic method for efficiently correcting errors resulting from incorrectly determined rotational axes and projection angles. In this method, errors are corrected by minimizing the "total variation" of a reconstructed image, and minimization is accomplished by using the gradient descent method. Compared with two previous methods, the proposed method achieved the best reconstruction results.

原文American English
文章編號9884
期刊Scientific reports
8
發行號1
DOIs
出版狀態Published - 1 12月 2018

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