Iterative image reconstruction using modified non-local means filtering for limited-angle computed tomography

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Iterative image reconstruction using modified non-local means filtering for limited-angle computed tomography

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作者：Hongliang Qi¹ ; Zijia Chen¹ ; Shuyu Wu ; Yuan Xu ; ^{yuanxu@smu.edu.cn" class="auth_mail" title="E-mail the corresponding author} ; Linghong Zhou ; ^{smart@smu.edu.cn" class="auth_mail" title="E-mail the corresponding author}
关键词：Computed tomography ; Image reconstruction ; Limited-angle projection ; Non-local means filtering ; Artifacts nearby edges
刊名：Physica Medica
出版年：2016
出版时间：September 2016
年：2016
卷：32
期：9
页码：1041-1051
全文大小：2937 K

文摘

•: A modified non-local means (mNLM) algorithm or limited angle CT reconstruction is proposed.
•: mNLM facilitates reducing artifacts nearby edges by using information from artifacts-free regions.
•: Total variation (TV) further improves the quality of image reconstructed by ART-mNLM.

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