Determination of tissue optical properties by time-resolved reflectance

被引：0
|
作者：
Liu, XL [1 ]
Zhang, R [1 ]
Bao, HJ [1 ]
Zhong, JK [1 ]
机构：
[1] Tongji Univ, Res Ctr Med Engn, Shanghai 200331, Peoples R China
来源：
IEEE-EMBS ASIA PACIFIC CONFERENCE ON BIOMEDICAL ENGINEERING - PROCEEDINGS, PTS 1 & 2 | 2000年
关键词：
time-resolved reflectance; diffusion theory; optical property; biological tissue;
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：
On the basis of diffusion theory, a method is presented to determine the optical properties by two independent time-resolved reflectance measurements. The diffusion constant is directly deduced from a simple analytical expression, the absorption coefficient is determined from the asymptotic slope of the logarithm of diffuse reflectance verse time curve. Then the reduced scattering coefficient is derived from the diffusion constant and the absorption coefficient The derived absorption and reduced scattering coefficient are independent of boundary condition. This method is verified by using the time-resolved data from Monte Carlo model. It is shown that the proposed method has the advantages of straightforward, fast and high accuracy.
引用
收藏
页码：460 / 461
页数：2
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