期刊
INTERNATIONAL CONFERENCE ON COMPUTATIONAL SCIENCE (ICCS 2017)
卷 108, 期 -, 页码 1185-1194出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.procs.2017.05.108
关键词
DWI; ADC; IVIM; OpenMP; GPUs
类别
资金
- Ministerio de Economia, Industria y competitividad [TIN2016-79951-R]
- INDIGO-Datacloud project
- European Union [RIA 653549]
Diffusion Weighted Imaging (DWI) methods (ADC and IVIM models) extract meaningful information about the microscopic motions of water of human tissues from MRIs. This is a non invasive method which plays an important role in the diagnosis of ischemic strokes, high grade gliomas or tumors. In the La Fe Polytechnic and University Hospital, the DWI methods aforementioned are used in clinical practice and Matlab is used as a development tool for his out of box performance and fast prototyping. However, each image takes hours to compute due to Matlab's environment and interpreted functions. Because of this, its use in clinical practice is limited. In this paper we present three compiled versions on which different parallel paradigms based on multicore (OpenMP) and GPU (CUDA) are applied. These implementations have managed to reduce the computation time to less than one minute, therefore, it allows easing their use in daily clinical practice at a cheap acquisition cost. (C) 2017 The Authors. Published by Elsevier B.V. Peer-review under responsibility of the scientific committee of the International Conference on Computational Science
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