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Medical image reconstruction using a multi-objective genetic local search algorithm
Li, XD; Jiang, TZ; Evans, DJ
2000
发表期刊INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS
卷号74期号:3页码:301-314
文章类型Article
摘要Image reconstruction from projections is a key problem in medical image analysis. In this paper, we cast image reconstruction from projections as a multi-objective problem. It is essential to choose some proper objective functions of the problem. We choose the square error, smoothness of the reconstructed image, and the maximum entropy as our objective functions of the problem. Then we introduce a hybrid algorithm comprising of multi-objective genetic and local search algorithms to reconstruct the image. Our algorithm has remarkable global performance. Our experiments show that we can get different results when we give different weights to different objective functions. We can also control the noise by giving different weights on different objective function. At the same time, we can adjust the parameter to let it have good local performance. Though the computation demands of the hybrid algorithm tends to be larger because of the random search of the GA, it is really a common feature of the global optimization method. Our results show that the hybrid algorithm is a more effective than the conventional method. We think our method is very promising for the medical imaging held.
关键词Medical Image Reconstruction Multi-objective Optimization Simulated Annealing Algorithm Local Search Genetic Algorithm
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]POSITRON EMISSION TOMOGRAPHY ; MAXIMUM ; PROJECTIONS
收录类别SCI
语种英语
WOS研究方向Mathematics
WOS类目Mathematics, Applied
WOS记录号WOS:000088791300004
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被引频次:13[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9807
专题09年以前成果
作者单位1.Chinese Acad Sci, Inst Automat, Natl Lab Pattern Recognit, Beijing 100080, Peoples R China
2.Max Planck Inst Cognit Neurosci, Signal & Image Proc Grp, D-04103 Leipzig, Germany
3.Nottingham Trent Univ, Dept Comp, Nottingham NG1 4BU, England
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Li, XD,Jiang, TZ,Evans, DJ. Medical image reconstruction using a multi-objective genetic local search algorithm[J]. INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS,2000,74(3):301-314.
APA Li, XD,Jiang, TZ,&Evans, DJ.(2000).Medical image reconstruction using a multi-objective genetic local search algorithm.INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS,74(3),301-314.
MLA Li, XD,et al."Medical image reconstruction using a multi-objective genetic local search algorithm".INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS 74.3(2000):301-314.
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