Blind deconvolution combined with level set method for correcting cupping artifacts in cone beam CT

Shipeng Xie; Wenqin Zhuang; Baosheng Li; Peirui Bai; Wenze Shao; Yubing Tong

doi:10.1117/12.2254049

24 February 2017 Blind deconvolution combined with level set method for correcting cupping artifacts in cone beam CT

Shipeng Xie, Wenqin Zhuang, Baosheng Li, Peirui Bai, Wenze Shao, Yubing Tong

Author Affiliations +

Proceedings Volume 10133, Medical Imaging 2017: Image Processing; 101331Z (2017) https://doi.org/10.1117/12.2254049
Event: SPIE Medical Imaging, 2017, Orlando, Florida, United States

Abstract

To reduce cupping artifacts and enhance contrast resolution in cone-beam CT (CBCT), in this paper, we introduce a new approach which combines blind deconvolution with a level set method. The proposed method focuses on the reconstructed image without requiring any additional physical equipment, is easily implemented on a single-scan acquisition. The results demonstrate that the algorithm is practical and effective for reducing the cupping artifacts and enhance contrast resolution on the images, preserves the quality of the reconstructed image, and is very robust.

Citation Download Citation

Shipeng Xie, Wenqin Zhuang, Baosheng Li, Peirui Bai, Wenze Shao, and Yubing Tong "Blind deconvolution combined with level set method for correcting cupping artifacts in cone beam CT", Proc. SPIE 10133, Medical Imaging 2017: Image Processing, 101331Z (24 February 2017); https://doi.org/10.1117/12.2254049

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