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Enhancement of Diffusion Orientation Distribution Reconstruction in Q-Ball Imaging by Single Channel ICA

Biomedical Sciences Research Institute Computer Science Research Institute Environmental Sciences Research Institute Nanotechnology & Advanced Materials Research Institute

Jing, Min, McGinnity, TM, Coleman, SA and Zhang, Huaizhong (2011) Enhancement of Diffusion Orientation Distribution Reconstruction in Q-Ball Imaging by Single Channel ICA. In: Irish Conference on Artificial Intelligence and Cognitive Science, Londonderry. ISRC Technical report series. 10 pp. [Conference contribution]

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Abstract

In this paper, a single channel independent component analysis(sICA) is incorporated with Q-ball imaging (QBI) to enhance theperformance of diffusion orientation distribution function (dODF) reconstructionin diffusion weighted MRI (DW-MRI). In the proposed approach,the sICA is employed to decompose a dODF initially estimatedby analytical QBI. The initial estimated dODF is considered as a mixedsignal containing noise, artifacts and the desired “true” ODF to be extractedby sICA. The results from the numerical simulation demonstratethat the proposed sICA framework not only successfully separate thedesired ODF from the noisy data, but also achieves better angular resolutionthan analytical QBI and spherical deconvolution (SD).

Item Type:Conference contribution (Paper)
Faculties and Schools:Faculty of Computing & Engineering
Faculty of Computing & Engineering > School of Computing and Intelligent Systems
Research Institutes and Groups:Computer Science Research Institute
Computer Science Research Institute > Intelligent Systems Research Centre
ID Code:19901
Deposited By:Dr Sonya Coleman
Deposited On:26 Sep 2011 10:00
Last Modified:26 Sep 2011 10:00

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