Fast Parallel Algorithm for CT Image Reconstruction

被引：0
|
作者：
Flores, Liubov A. [1 ]
Vidal, Vicent [1 ]
Mayo, Patricia
Rodenas, Francisco
Verdu, Gumersindo
机构：
[1] Univ Politecn Valencia, Dept Sistemas Informat & Computac, Valencia 46022, Spain
来源：
2012 ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY (EMBC) | 2012年
关键词：
D O I：
暂无
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
In X-ray computed tomography (CT) the X rays are used to obtain the projection data needed to generate an image of the inside of an object. The image can be generated with different techniques. Iterative methods are more suitable for the reconstruction of images with high contrast and precision in noisy conditions and from a small number of projections. Their use may be important in portable scanners for their functionality in emergency situations. However, in practice, these methods are not widely used due to the high computational cost of their implementation. In this work we analyze iterative parallel image reconstruction with the Portable Extensive Toolkit for Scientific computation (PETSc).
引用
收藏
页码：4374 / 4377
页数：4
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