%0 Journal Article %T APPLICATION OF DECONVOLUTION IN THE RESEARCH OF LIGHT TRANSMITTING PROPERTY IN BIOLOGICAL TISSUES
反卷积在生物组织光传输特性研究中的应用 %A LAI Jian-cheng LI Zhen-hua %A WANG Chun-yong %A HE An-zhi %A
来建成 %A 李振华 %A 王春勇 %A 贺安之 %J 生物物理学报 %D 2002 %I %X Many methods have been proposed to investigate light distribution in the bio -tissues irradiated by a beam of pencil light--point-spread function psf .A mong them,Monte Carlo method is the most effective and exact one.But all the e xisting methods depend on the exact determination of optical parameters of the b io-tissues.In this paper,bio-tissues are regarded as a linear space invarian t system,thus the light distribution in the bio-tissues of certain depth is th e convolution of incident light source and point-spread function of bio-tissue .On the contrary,if the light distribution in certain depth of the bio-tissue can be measured by experiment,one can obtain the psf by deconvolution of the s ource and the measured light distributions.Based on this consideration,a new m ethod to determine psf is proposed,and which is applied in reconstructing the p oint-spread function of two kinds of typical bio-tissues--porcine dermis and m uscle,and the corresponding point-spread functions are obtained.The results a re compared with those obtained by Monte Carlo method,which verified that the r econstructing method is effective tools to obtain the point-spread function of bio-tissue.The method proposed in this paper can be used in the research of li ght transmitting property of all bio-tissues,especially for the tissues whose optical parameters are unknown. %K Bio-tissues Monte Carlo simulation Light distribution Deco nvolution Point-spread function
反卷积 %K 生物组织 %K 光传输特性 %K 应用 %K 光分布 %K Monte-Carlo模拟 %K 点扩散函数 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=90BA3D13E7F3BC869AC96FB3DA594E3FE34FBF7B8BC0E591&jid=E0C9D9BBED813D6674AC13E942EAC86D&aid=AC8CC43C069C2996&yid=C3ACC247184A22C1&vid=13553B2D12F347E8&iid=38B194292C032A66&sid=683005D16807E4FE&eid=F7BB24011DC0D223&journal_id=1000-6737&journal_name=生物物理学报&referenced_num=1&reference_num=9