POLARIZATION IMAGING AND SCATTERING MODEL OF CANCEROUS LIVER TISSUES

查看全文 作　　者：DONGZHI [1,2]LI;HONGHUI [1]HE;NAN [1]ZENG;E [1,2]DU;RAN [1]LIAO;YONGHONG [1]HE;HUI [1,2]MA 机构地区：[1]Shenzhen Key Laboratory for Minimal Invasive Medical Technologies Graduate School at Shenzhen,Tsinghua University Shenzhen 518055,P.R.China;[2]Department of Physics Tsinghua University,Beijing 100084,P.R.China 出　　处：《Journal of Innovative Optical Health Sciences》索引2013年第6卷第3期,共8页 基　　金：supported by the National Natural Science Foundation of China(NSFC)Grants No.10974114,11174178,41106034;Open Fund of Key Laboratory of Optoelectronic Information and Sensing Technologies of Guangdong Higher Education Institutes,Jinan University. 摘　　要：We apply diferent polarization imaging techniques for cancerous liver tissues,and compare the relative contrasts for difference polarization imaging(DPI),degree of polarization imaging(DOPI)and rotating linear polarization imaging(RLPI).Experimental results show that a number of polarization imaging parameters are capable of differentiating cancerous cells in isotropic liver tisues.To analyze the contrast mechanism of the cancer:-sensitive polarization imaging parameters,we propose a scattering model cont aining two types of spherical scatterers and carry on Monte Carlo simula tions based on this bi-component model.Both the experimental and Monte Carlo simulated results show that the RLPI technique can provide a good imaging contrast of cancerous tissues.The bi-component scattering model provides a useful tool to ana-lyze the contrast mechanism of polarization imaging of cancerous tissues. 关 键 词：Polarization imaging liver cancerous tisues sca tering model Monte Carlo si mul ation