Reduction of aliasing artifact in Micro CT | Zendy

Zhaoyang Luo | Zendy; XiaoQuan Yang | Zendy; Yuanzheng Meng | Zendy; Yong Deng | Zendy

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Reduction of aliasing artifact in Micro CT

Author(s) -

Zhaoyang Luo,

XiaoQuan Yang,

Yuanzheng Meng,

Yong Deng

Publication year - 2010

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.59.8237

Subject(s) - artifact (error) , aliasing , computer science , image quality , artificial intelligence , computer vision , image resolution , image (mathematics) , filter (signal processing)

Micro CT system is a recently developed imaging technique for small animal, which have very high spatial resolution and sensitivity, and is widely used in drug development, cancer detection et al. But in Micro CT, the artifact, specially the aliasing artifact, become serious as the extremely high spatial resolution, which is the major degeneration of image quality. In this paper, we studied the cause of artifact, and simulated it in computer. Finally, we proposed an algorithm to reduce the artifact in CT slice, with artifact elimination rate of 70% or more, and the improved image contrase

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