Removal of computed tomography ring artifacts via radial basis function artificial neural networks

Ring artifacts in computed tomography (CT) images are caused by the undesirable response of detector pixels, which leads to the degradation of CT images. Accordingly, it affects the image interpretation, post-processing, and quantitative analysis. In this study, a radial basis function neural networ...

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Veröffentlicht in:	Physics in medicine & biology 2019-12, Vol.64 (23), p.235015-235015
Hauptverfasser:	Chao, Zhen, Kim, Hee-Joung
Format:	Artikel
Sprache:	eng
Schlagworte:	CT ring artifact removal Humans Image Processing, Computer-Assisted - methods Image Processing, Computer-Assisted - standards location determination of linear artifact Neural Networks, Computer radial basis function neural network the hybrid of adaptive gradient descent algorithm and gravitational search algorithm Tomography, X-Ray Computed - methods Tomography, X-Ray Computed - standards
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