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	Reconstruction of tissue diffusion optical tomography using perturbation method
	Feng Huacheng ; Bai Jing ; Song Xiaolei
	2010-05-11 ; 2010-05-11
关键词	Practical Experimental/ absorption coefficients biodiffusion biological tissues biomedical optical imaging bio-optics image reconstruction medical image processing optical tomography perturbation techniques/ tissue diffusion optical tomography tomographic reconstruction perturbation method prescaling technique tissue absorption maps absorption coefficient diffusion coefficient image reconstruction tissue optics/ A8760F Optical and laser radiation (medical uses) A8770E Patient diagnostic methods and instrumentation A4230V Image processing and restoration A8750B Interactions of biosystems with radiations B7510J Optical and laser radiation (biomedical imaging/measurement) B6135 Optical, image and video signal processing C7330 Biology and medical computing C5260B Computer vision and image processing techniques
中文摘要	A prescaling technique was developed to qualitatively reconstruct the tissue absorption maps which can overcome the limitation that the initial estimate must be close enough to the ideal solution when the perturbation method is employed. Before beginning the iterations, the estimated absorption coefficient was scaled to an appropriate value which was then used in the reverse process, with the diffusion coefficient kept constant throughout the iterations. Reconstructions of the tissue absorption map with and without the prescaling technique show that the prescaling technique is needed when the initial estimate is far from the true solution.
语种	中文 ; 中文
出版者	Tsinghua University Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/27658]
专题	清华大学
推荐引用方式 GB/T 7714	Feng Huacheng,Bai Jing,Song Xiaolei. Reconstruction of tissue diffusion optical tomography using perturbation method[J],2010, 2010.
APA	Feng Huacheng,Bai Jing,&Song Xiaolei.(2010).Reconstruction of tissue diffusion optical tomography using perturbation method..
MLA	Feng Huacheng,et al."Reconstruction of tissue diffusion optical tomography using perturbation method".(2010).

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