Reconstruction of limited-angle and few-view nano-CT image via total variation iterative reconstruction

Zhiting Liang; Yong Guan; Gang Liu; Rui Bian; Xiaobo Zhang; Ying Xiong; Yangchao Tian

doi:10.1117/12.2026153

26 September 2013 Reconstruction of limited-angle and few-view nano-CT image via total variation iterative reconstruction

Zhiting Liang, Yong Guan, Gang Liu, Rui Bian, Xiaobo Zhang, Ying Xiong, Yangchao Tian

Author Affiliations +

Proceedings Volume 8851, X-Ray Nanoimaging: Instruments and Methods; 885113 (2013) https://doi.org/10.1117/12.2026153
Event: SPIE Optical Engineering + Applications, 2013, San Diego, California, United States

Abstract

Nano-CT has been considered as an important technique applied in analyzing inter-structures of nanomaterials and biological cell. However, maximum rotation angle of the sample stage is limited by sample space; meanwhile, the scan time is exorbitantly large to get enough projections in some cases. Therefore, it is difficult to acquire nano-CT images with high quality by using conventional Fourier reconstruction methods based on limited-angle or few-view projections. In this paper, we utilized the total variation (TV) iterative reconstruction to carry out numerical image and nano-CT image reconstruction with limited-angle and few-view data. The results indicated that better quality images had been achieved.

Citation Download Citation

Zhiting Liang, Yong Guan, Gang Liu, Rui Bian, Xiaobo Zhang, Ying Xiong, and Yangchao Tian "Reconstruction of limited-angle and few-view nano-CT image via total variation iterative reconstruction", Proc. SPIE 8851, X-Ray Nanoimaging: Instruments and Methods, 885113 (26 September 2013); https://doi.org/10.1117/12.2026153

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