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首页> 外文会议>Conference on Optics in Health Care and Biomedical Optics: Diagnostics and Treatment, Oct 15-18, 2002, Shanghai, China >Optical Image Quality Improvement Based on Time-resolved Stokes Vectors in Filamentous Tissues
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Optical Image Quality Improvement Based on Time-resolved Stokes Vectors in Filamentous Tissues

机译：基于时间分辨斯托克斯向量在丝状组织中的光学图像质量改进

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摘要

We first demonstrated the effectiveness of imaging in a tissue phantom with isotropic scattering by using polarization discrimination combined with the time gating method. In this situation with lean pork as targets and diluted milk as tissue phantom, the reduced scattering coefficient mapping manifests clear images. However, such an imaging technique became less effective in filamentous tissues, such as chicken breast tissues, because filamentous tissue had a deterministically anisotropic property. It led to coherent coupling between the two linear polarization components. In this situation, we employed the time-gated degree of polarization (DOP) imaging technique that based on the Stokes formalism. The results showed that the DOP measurement was quite effective in high-quality imaging of objects in filamentous tissues. The improvement of this method was attributed to the unchanged polarization part under the coupling processes of various polarization components.
机译：我们首先通过使用偏振辨别结合时间选通方法证明了在具有各向同性散射的组织体模中成像的有效性。在这种情况下，以瘦猪肉为目标，稀释牛奶为组织模型，降低的散射系数映射显示清晰的图像。然而，由于丝状组织具有确定的各向异性特性，因此这种成像技术在丝状组织如鸡胸组织中变得无效。这导致两个线性极化分量之间的相干耦合。在这种情况下，我们采用了基于Stokes形式主义的时限极化（DOP）成像技术。结果表明，DOP测量对丝状组织中物体的高质量成像非常有效。该方法的改进归因于在各种偏振分量的耦合过程下未改变的偏振部分。

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