PATCH BASED SUPER-RESOLUTION OF MR SPECTROSCOPIC IMAGES

被引：2

作者：

Jain, S. ^{[1
]}

Sima, D. M. ^{[1
,3
,4
]}

Nezhad, F. Sanaei ^{[2
]}

Williams, S. ^{[2
]}

Van Huffel, S. ^{[3
,4
]}

Maes, F. ^{[3
,4
]}

Smeets, D. ^{[1
]}

机构：

[1] Icometrix, R&D, Leuven, Belgium

[2] Univ Manchester, Ctr Imaging Sci, Manchester, Lancs, England

[3] Katholieke Univ Leuven, Dept Elect Engn ESAT, Leuven, Belgium

[4] IMinds, Med IT, Leuven, Belgium

来源：

2016 IEEE 13TH INTERNATIONAL SYMPOSIUM ON BIOMEDICAL IMAGING (ISBI) | 2016年

关键词：

super-resolution; up-sampling; magnetic resonance spectroscopy imaging; WHITE-MATTER; SEGMENTATION; BRAIN; GRAY;

D O I：

10.1109/ISBI.2016.7493305

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

In this paper, a new single-image super-resolution method is presented to increase the spatial resolution of metabolite maps computed from magnetic resonance spectroscopic imaging. The proposed method is based on a non-local patch-based strategy that uses a high resolution T1-weighted image to regularise the super-resolution process. The method is implemented in a multi-scale fashion. The accuracy of the method is validated on both phantom and in vivo images. Both qualitative and quantitative validation suggest that the method has potential for clinically relevant neuroimaging applications.

引用

页码：452 / 456

页数：5

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